{"title":"Allen-Bradley ControlLogix","description":"\u003cp\u003eThe Allen-Bradley ControlLogix system is a premier large-scale controller platform built for high-performance process and motion applications. Its architecture utilizes the 1756- chassis-based design, featuring modular processors, communication interfaces, and specialized I\/O. Technical characteristics include multi-discipline control (logic, motion, and safety on one chassis), high-speed backplane throughput, and redundant controller capabilities. Functionally, ControlLogix manages complex plant-wide operations by integrating seamlessly with \u003ca href=\"https:\/\/www.plcprotech.com\/collections\/allen-bradley-flex-i-o\"\u003eFlex I\/O\u003c\/a\u003e and \u003ca href=\"https:\/\/www.plcprotech.com\/collections\/allen-bradley-point-i-o-1734\"\u003ePoint I\/O\u003c\/a\u003e over EtherNet\/IP. This platform is the backbone of modern Rockwell systems, offering the scalability and deterministic control required for high-speed packaging, assembly lines, and critical process loops in the global manufacturing industry.\u003c\/p\u003e","products":[{"product_id":"allen-bradley-1756-it6i2-controllogix-enhanced-thermocouple-analog-input-module","title":"Allen-Bradley 1756-IT6I2 ControlLogix Enhanced Thermocouple Analog Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-367\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-367\"\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-367\"\u003e1756-IT6I2 \u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-367\"\u003eis a heavy-duty ControlLogix 6 Pt Enhanced Thermocouple Analog Input Module engineered for high-accuracy temperature processing in volatile industrial sectors such as petrochemical refining, power generation, and chemical processing \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-367 citation-end-367\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-366\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。As an engineered enhanced thermocouple module, it features six individually isolated channels that provide excellent signal reliability by eliminating ground loops and common-mode electrical hazards \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-366 citation-end-366\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-365\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。This design mitigates unpredicted channel fluctuations, directly maximizing plant uptime and protecting high-value processing loops。The module integrates seamlessly into any standard ControlLogix chassis, serving as a localized or high-performance distributed I\/O station over EtherNet\/IP or ControlNet infrastructures \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-365 citation-end-365\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-364\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThis enhanced module incorporates a high-resolution 16-bit Sigma-Delta analog-to-digital converter to achieve precise microvolt-level quantization over extensive thermal spectrums \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-364 citation-end-364\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-363\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。Its high-performance hardware architecture achieves a common-mode noise rejection of 160 dB minimum when tested under 600V AC at 60 Hz, ensuring signal integrity in environments with extreme electromagnetic interference \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-363 citation-end-363\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-362\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-362\"\u003e。A matched pair of ultra-precision Cold Junction Compensation (CJC) thermistors accompanies the module to achieve a localized stability of \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$\\pm$\u003c\/span\u003e\u003cspan class=\"citation-362\"\u003e0.3 deg C across the terminal block interface \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-362 citation-end-362\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-361\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。Linearization is handled onboard via factory-calibrated ITS-90 algorithms \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-361 citation-end-361\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-360\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。When integrated using floating-point data formatting, plant engineers can activate an adjustable digital filter in tandem with the 60 Hz normal-mode notch filter to suppress high-frequency process noise \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-360 citation-end-360\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification (Official Datasheet Verification)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-359\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e1756-IT6I2\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-359 citation-end-359\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-358\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-358 citation-end-358\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-357\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eControlLogix I\/O\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-357 citation-end-357\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-356\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e6 Pt Enhanced TC In Module (Isolated Thermocouple\/Millivolt)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-356 citation-end-356\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-355\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e6 Point Individually Isolated Thermocouple \/ 2 CJC Inputs\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-355 citation-end-355\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-354\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThermocouple Types B, C, D, E, J, K, L (TXK\/XK), N, R, S, T\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-354 citation-end-354\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Input Ranges\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-353\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e-12 to 78 mV (1.4 microvolts\/bit typical)\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan\u003e-12 to 30 mV (0.7 microvolts\/bit high-resolution range)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-353 citation-end-353\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eA\/D Conversion\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-352\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e16-Bit Sigma-Delta\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-352 citation-end-352\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Input Scan Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-351\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e10 ms min (Integer, millivolt)\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan class=\"citation-351\"\u003e25 ms min (Floating Point, millivolt)\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan\u003e50 ms min (Floating Point, temperature)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-351 citation-end-351\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current Draw\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-350\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e200 mA @ 5.1 VDC\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cspan\u003e120 mA @ 24 VDC\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-350 citation-end-350\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal Backplane Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-349\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e4.6 W\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-349 citation-end-349\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-348\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e4.6 W\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-348 citation-end-348\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-347\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e15.7 BTU\/hour\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-347 citation-end-347\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOvervoltage Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-346\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e120V AC\/DC maximum\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-346 citation-end-346\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommon Mode Rejection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-345\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e160 dB minimum, tested @ 600V AC\/60 Hz with 100 Ohms differential resistance\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-345 citation-end-345\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNormal Mode Rejection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-344\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e60 dB at 60 Hz\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-344 citation-end-344\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatible Terminal Block\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-343\"\u003e1756-TBNH only\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-343\"\u003e (36-pin Removable Terminal Block Housing)\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-343 citation-end-343\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-342\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-342 citation-end-342\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.28 kg (0.63 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWhat is the critical hardware difference between the legacy 1756-IT6I and the enhanced 1756-IT6I2?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-341\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-341\"\u003eThe 1756-IT6I2 provides significantly upgraded common-mode noise rejection (160 dB minimum at 600V AC compared to 120 dB at 60 VAC on the legacy module) and delivers uniform, high-precision local CJC accuracy of \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$\\pm$\u003c\/span\u003e\u003cspan class=\"citation-341\"\u003e0.3 deg C across all internal channels \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-341 citation-end-341\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCn I use a 1756-TBSH spring-clamp terminal block with the 1756-IT6I2?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-340\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-340\"\u003eNo. According to the official Allen-Bradley I\/O specifications manual, the 1756-IT6I2 module is strictly compatible with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-340\"\u003e1756-TBNH only\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-340\"\u003e (cage-clamp terminal block housing) \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-340 citation-end-340\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-339\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。The spring-clamp variant (1756-TBSH) is not supported for this specific enhanced module \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-339 citation-end-339\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHow does the module signal a field thermocouple sensor failure to the PLC?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-338\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe 1756-IT6I2 features active open-circuit diagnostic logic。If a sensor wire is severed or burnt out, the module detects the open loop and forces a positive full-scale maximum reading within 2 seconds into the controller data table to initiate an immediate emergency process shutoff or alert \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-338 citation-end-338\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering and Commissioning Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-337\"\u003eMandatory CJC Installation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-337\"\u003e The 1756-IT6I2 requires the installation of two matched CJC sensors directly onto the 1756-TBNH terminal block assembly \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-337 citation-end-337\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。Omitting these sensors disables the localized ambient reference tracking, leading to catastrophic temperature calculation drift and inaccurate process values。\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-336\"\u003eShielding Ground Protocols:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-336\"\u003e Implement high-grade, twisted-pair shielded extension cables designated precisely for your specific thermocouple calibration type。Ground the shield drain wire at a single point only—preferably at the heavy copper enclosure ground bus inside the marshalling cabinet。Never run sensitive thermocouple lines through wireways containing high-power AC lines or VFD outputs to prevent inductive cross-talk \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-336 citation-end-336\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-335\"\u003eRemoval and Insertion Under Power (RIUP):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-335\"\u003e This module is fully rated to support RIUP execution while the ControlLogix chassis backplane remains energized \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-335 citation-end-335\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e。However, in hazardous operational classifications, do not attempt to disconnect the 1756-TBNH terminal block or unseat the module unless field power has been entirely isolated and verified as de-energized。\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695172219243,"sku":"1756-IT6I2","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-it6i2-controllogix-analog-input-module-qwegkcsp2xd_4df2632e-b084-4ee0-aa1e-d1a97c22a004.jpg?v=1766114079"},{"product_id":"allen-bradley-1756-ow16i-controllogix-16-point-digital-relay-module","title":"Allen-Bradley 1756-OW16I ControlLogix 16 Point Digital Relay Module","description":"\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OW16I\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eoperates as a high-integrity, single-slot digital contact output assembly designed for the Allen-Bradley ControlLogix architecture. Engineered specifically for complex process interlocks in thermal power plants, oil refining tank farms, and heavy mining infrastructure, this module provides sixteen independent, Form A normally open relay contact channels. Each output circuit features complete galvanic isolation from adjacent channels and backplane logic, allowing distinct AC and DC field voltages to operate simultaneously on a single module housing. By eliminating common ground reference pathways and suppressing high-voltage transient cross-talk, this module avoids cascaded channel failures, effectively reducing unexpected field instrumentation downtime in high-vibration and electrically noisy industrial processing environments.\u003c\/p\u003e\n\u003ch3\u003eSystem Architecture and Functional Features\u003c\/h3\u003e\n\u003cp\u003eThe hardware topology of this digital relay assembly utilizes sixteen discrete, mechanically robust contact relays configured with basic insulation barriers rated for continuous 250 V electrical isolation. It provides native scheduling capabilities, enabling synchronization of contact state transitions within 16.7 ms maximum with reference to the Coordinated System Time (CST) matrix of the Logix backplane. The module features independent, software-configurable state management for both Fault Mode and Program Mode, allowing system engineers to predefine individual channel responses—Hold Last State, Forced On, or Forced Off (default)—to preserve safe field conditions during processor disruption. It requires no internal hardware jumpers, relying instead on electronic software keying via the integrated development environment to prevent erroneous module cross-insertion during field maintenance.\u003c\/p\u003e\n\u003ch3\u003eEngineering Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Metric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eVerified Technical Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-OW16I\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlLogix Digital I\/O\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRelay Contacts (16 Form A Normally Open, Individually Isolated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Voltage Window\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 125 VDC \/ 10 to 240 VAC (50\/60 Hz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Draw from Backplane\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150 mA @ 5.1 VDC and 150 mA @ 24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal Backplane Power Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.4 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.5 W @ 60 deg C (140 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation Loading\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15.35 BTU\/hour\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContinuous Contact Ratings (DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 A @ 5-30 VDC, 0.5 A @ 48 VDC, 0.22 A @ 125 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContinuous Contact Ratings (AC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 A @ 120 VAC, 0.75 A @ 240 VAC (50\/60 Hz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePilot Duty Classifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eC300, R150\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMinimum Contact Load Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInitial Contact Resistance (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 mOhm @ 6 VDC, 1 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOff-State Leakage Current (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 mA per point\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContact Switching Delays\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOff to On: 10 ms max \/ On to Off: 10 ms max\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Switching Frequency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 operation per 3 seconds (0.3 Hz at rated load)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage Stability\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 V continuous (basic insulation type), outputs-to-backplane and output-to-output\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatible Removable Terminal Blocks\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-TBCH, 1756-TBNH, 1756-TBSH, 1756-TBS6H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShock Tolerance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOperating: 30 G \/ Non-operating: 50 G\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVibration Resistance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 G @ 10 to 500 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNorth American Temp Code\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT4A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.30 kg (0.66 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard single-slot ControlLogix module envelope\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the 10 mA minimum load current specification on the 1756-OW16I?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe electromagnetic contacts require a minimum wetting current of 10 mA to reliably pierce thin film oxidation layers that naturally develop on the contact surfaces over time. Operating below this current threshold can result in erratic signal continuity or false open-circuit indications despite the relay coil being energized.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-OW16I contain internal fused protection to isolate shorted field loads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The module is not internally fused. To protect the relay contact pathways from overcurrent damage due to field faults, external fusing must be applied. Utilizing a fused Interface Module (IFM) matching publication 1492-TD008 is recommended, though agency certifications are restricted to direct connections via standard ControlLogix Removable Terminal Blocks (RTBs).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is the maximum switching frequency limited to 0.3 Hz at rated load?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBecause the 1756-OW16I relies on mechanical contacts rather than solid-state triacs or transistors, excessive cycle speeds induce thermal stresses and arc degradation. Restricting the cycle rate to 1 operation per 3 seconds prevents contact overheating and ensures the expected contact lifespan of 300 kHz for resistive loads and 100 kHz for inductive loads.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Commissioning and Safety Declarations\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eArc Mitigation for Inductive Loads:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen controlling inductive field elements such as motor starter coils or high-capacity solenoids, external surge suppressors must be installed directly across the load terminals. Use an appropriate RC snubber circuit for AC loops and a freewheeling diode for DC loops. Unsuppressed inductive counter-electromotive force (back-EMF) will accelerate contact degradation, resulting in contact welding and catastrophic module damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Assembly Selection and Grounding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eField conductor hookups must be handled using official 36-pin or 20-pin RTBs (e.g., 1756-TBCH, 1756-TBNH). Separate all high-voltage AC current lines from low-voltage DC logic wires by routing them through independent wire ways within the marshalling panel. Ensure the chassis frame maintains a low-impedance connection to the central plant earth ground plane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLive Maintenance Warning (RIUP Restrictions):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlthough the underlying ControlLogix architecture allows Removal and Insertion Under Power (RIUP) during operational maintenance, executing this process in hazardous locations (Class I Division 2, Temp Code T4A) is dangerous. Field-side supply circuits must be completely isolated and checked for zero voltage before detaching the mechanical terminal blocks or pulling the module from the chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695172284779,"sku":"Allen Bradley 1756-OW16I","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-ow16i-controllogix-16do-isolated-relay-module-5cybh5hxcys_028c8623-e0aa-48df-8386-62d2fb3f4c66.jpg?v=1766114081"},{"product_id":"allen-bradley-1756-l63xt-controllogix-extreme-environment-processor-module","title":"Allen-Bradley 1756-L63XT ControlLogix Extreme Environment Processor Module","description":"\u003ch3\u003eFunctional Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L63XT (1756-L63XT)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a ruggedized ControlLogix controller engineered explicitly for execution in extreme temperature and high-vibration atmospheres. Functioning across harsh continuous-process field environments including oil and gas extraction fields, desert-based power substations, and heavy surface mining sites, this high-performance processing unit delivers un-compromised automation control where standard PLC hardware fails. Featuring 8 MB of user execution memory and 478 KB of dedicated I\/O memory storage, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L63XT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eimplements an optimized conformal coating to isolate internal electronics from atmospheric humidity and airborne chemical contaminants. Deploying this extreme environment controller prevents critical data corruption, withstands severe thermal cycling without clock degradation, and provides a bumpless redundancy platform on ControlNet layers to minimize catastrophic plant shutdowns and optimize remote system uptime.\u003c\/p\u003e\n\u003ch3\u003eHardware Infrastructure and Network Capability\u003c\/h3\u003e\n\u003cp\u003eThe underlying architectural framework of the 1756-L63XT processor emphasizes wide network integration, multitasking logic execution, and strict physical isolation.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTasking Execution Profile:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports up to 32 independent controller tasks, allowing a maximum of 100 industrial programs per individual task group. This configuration handles complex asynchronous event triggers alongside time-critical loop routines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBroad Interface Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCommunicates seamlessly over industrial networks via native rack-mounted adapters, including EtherNet\/IP, ControlNet, DeviceNet, Remote I\/O, SynchLink, and Data Highway Plus (DH+).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-In Point-to-Point Serial Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncorporates a 1-port RS-232 serial communication path executing DF1 full\/half-duplex channels, DF1 radio modem parameters, master ASCII text streams, and Modbus protocol translation via localized controller logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant System Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrates cross-loading redundancy engines that support synchronized partner tracking over a single ControlNet network link, ensuring seamless main-to-backup processor transfer without loss of process state variable data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Performance Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eOperational Parameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetailed Engineering Values\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-L63XT\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eComponent Classification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExtreme Environment (XT) Processor Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUnited States (US)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Hardware Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.57 kg (1.25 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUser Memory Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Megabytes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDedicated I\/O Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e478 Kilobytes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Total I\/O Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128,000 Total (128,000 Digital \/ 4,000 Analog)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContinuous Circuit Isolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 V Continuous (Tested at 720 V DC for 60 s)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Draw at 5.1 V DC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1200 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Draw at 24 V DC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e14 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal Power Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.5 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Energy Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e11.9 BTU per hour\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAtmospheric Operating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-25 to 70 deg C (-13 to 158 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNon-Operating Storage Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to 85 deg C (-40 to 185 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelative Humidity Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 95% (Non-condensing)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperational Mechanical Vibration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 g acceleration at 10 to 500 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Operating Shock\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 g mechanical pulse impact\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Non-Operating Shock\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50 g mechanical pulse impact\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplication and Field Engineering FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the surrounding temperature rating decrease when using specific chassis types?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1756-L63XT is independently rated for up to 70 deg C surrounding air. However, when mounted inside a 1756-A7LXT extreme environment chassis, the system thermal restriction limits the assembly to -25 to 60 deg C. Conversely, when integrated within a paired FLEX I\/O-XT field distribution layout, the bottom thermal tolerance drops safely down to -20 to 70 deg C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat specific nonvolatile memory cards can be utilized for non-erasable backup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is strictly limited to commercial-grade industrial CompactFlash cards. It supports either the 64 megabyte card model 1784-CF64 or the high-capacity 128 megabyte card model 1784-CF128. Standard commercial off-the-shelf non-Rockwell flash cards must not be deployed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the unit maintain data integrity during a complete loss of chassis backplane power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1756-L63XT utilizes an integrated energy storage module or a replaceable industrial lithium battery pack. This power backup supplies continuous trickle currents to the SRAM block, preserving active variable tables, internal time clocks, and system status markers until system line voltages recover.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Commissioning and Rigid Safety Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Thermal Clearances and Airflow:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen installing the 1756-L63XT in a sealed extreme-environment NEMA enclosure, ensure proper vertical spacing above and below the 1756-A4LXT, 1756-A5XT, or 1756-A7XT chassis. Maintain at least 50.8 mm (2.0 inches) of un-obstructed air clearance around the outer enclosure housing to guarantee passive natural convection cooling across the processor faceplate at high ambient operating peaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectrostatic Discharge Protection protocols:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOnboard processing chips and surface-mount electronic networks are highly susceptible to sudden ESD arcs. Maintenance engineers must engage a grounded ESD wristband bonded directly to the metal enclosure frame prior to sliding the controller out of its chassis slot or manipulating the front stop\/reset pushbutton interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSerial Port Shielding and Noise Suppression:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAll custom RS-232 serial links utilizing the integrated channel must implement dedicated shielded cabling. Terminate the overall cable shield braid to the metal D-shell casing on the controller end. Do not route the serial lines in close proximity to high-current motor drive cables or inductive power lines to avoid signal interference on ASCII or DF1 networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Mechanical Seating and Torque:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlign the upper and lower circuit card edges with the designated plastic chassis guide tracks. Press the module back smoothly until the rear connectors seat securely into the active backplane bus. Tighten the top and bottom latching screws to a torque spec of 0.6 Nm (5.3 in-lbs) to avoid contact loss under high floor vibrations up to 2 g.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695172481387,"sku":"1756-L63XT","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-l63xt-controllogix-xt-logix5563-processor-r3r2aiaarlk_fa2e9179-62e1-42cf-a1e9-cf3cb43a3222.jpg?v=1766114090"},{"product_id":"allen-bradley-1756-pb75-controllogix-24-vdc-controllogix-power-supply","title":"Allen-Bradley 1756-PB75 ControlLogix 24 VDC ControlLogix Power Supply","description":"\u003ch3\u003eProduct Summary\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PB75\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a heavy-duty chassis power supply within the Allen-Bradley ControlLogix platform, engineered to convert 24 VDC nominal source electricity into regulated backplane voltages. Designed for critical infrastructure deployment in oil and gas extraction, automated manufacturing, and heavy infrastructure substations, this module delivers stable current to local processing racks. By securing a high current capacity across all three operational backplane rails, it prevents voltage sags and module resets, directly reducing unplanned system downtime. The unit mounts directly to the left side of any standard 1756 ControlLogix chassis, integrating into the physical architecture without occupying standard I\/O slots.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe hardware architecture of the 1756-PB75 utilizes advanced switch-mode power conversion to provide exceptional thermal and electrical efficiency across its entire load spectrum. It distributes a combined maximum power output of 75 W at 60 deg C, managing current allocation across the 1.2 V, 3.3 V, and 24 VDC backplane paths. Equipped with robust overcurrent, short-circuit, and overvoltage protection networks, the power supply automatically isolates internal faults to safeguard the multi-million dollar processor and communications architecture connected to the backplane. The input stage features an engineered line filter to suppress industrial electromagnetic interference (EMI) and ride through transient voltage drops. Status indication is handled via a prominent front-panel LED that gives real-time health readouts of the source input and internal conversion metrics.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-PB75\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlLogix Chassis Power Supplies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18 to 32 VDC (24 VDC nominal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Power (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e95 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal Output Power (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e75 W @ 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Output Current (1.2 VDC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Output Current (3.3 VDC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.0 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Output Current (5.1 VDC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13.0 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Output Current (24 VDC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.8 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInrush Current (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 V continuous (reinforced insulation type), input-to-backplane tested at 2500 VDC for 60 seconds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOvercurrent Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInternal fuse (non-replaceable) and electronic current limiting\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConductor Strip Length\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 mm (0.31 inches)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRecommended Wire Size\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 mm sq (14 AWG) solid or stranded copper wire rated at 90 deg C minimum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (H x W x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e140 x 112 x 145 mm (5.51 x 4.41 x 5.71 inches)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.95 kg (2.10 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes the front-panel LED on the 1756-PB75 to remain unlit or turn off completely?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAn unlit LED indicates either a total loss of input source voltage (below 18 VDC), an open internal protection fuse due to a severe hardware fault, or an overcurrent condition on the backplane causing the power supply to enter a protective shutdown cycle. Disconnect the supply from the chassis to isolate backplane short circuits during troubleshooting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1756-PB75 be wired in parallel with another power supply for redundancy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The standard 1756-PB75 does not support parallel operation or load-sharing configurations on a standard chassis. For redundant power architectures, you must utilize the specific redundant power supplies (such as the 1756-PB75R) paired with a 1756-CPR2 redundancy cable and appropriate chassis adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the internal fuse of the 1756-PB75 field-replaceable after an overvoltage event?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The internal input fuse is a factory-sealed component designed as a secondary safety measure. If the fuse blows, it signifies major internal component breakdown, and the entire power supply unit must be sent to an authorized depot for repair or replaced completely.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation and Commissioning Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Fastening and Grounding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSlide the 1756-PB75 onto the left side of the ControlLogix chassis until the guide pins engage fully. Tighten the mounting screws securely to the chassis frame. Ensure the chassis grounding lug is bonded to the main enclosure ground bus using a low-impedance copper strap to provide adequate shielding against high-frequency line noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Wiring Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConnect the 24 VDC supply lines using 2.5 mm sq (14 AWG) copper conductors. Ensure the positive wire is secured to the \"+\", the negative wire to the \"-\", and the equipment ground wire to the designated ground terminal on the terminal strip. Keep input power cables separate from signal-level I\/O wiring to mitigate inductive cross-talk.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Management Clearances:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintain minimum clearances around the power supply as specified by the enclosure design documents (typically 51 mm or 2.0 inches at the top and bottom). Do not obstruct the ventilation slots on the top or bottom of the module housing, as inadequate airflow will cause thermal degradation and premature component fatigue.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695172612459,"sku":"1756-PB75","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-pb75-controllogix-standard-power-supply-320tnnyiu4t_e2baecfc-8c45-41b0-8437-7d6ebc6bccd8.jpg?v=1766114095"},{"product_id":"allen-bradley-1756-dhrio-controllogix-data-highway-plus-rio-communication-module","title":"Allen-Bradley 1756-DHRIO ControlLogix Data Highway Plus\/RIO Communication Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-794\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-794\"\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-794\"\u003e1756-DHRIO\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-794\"\u003e functions as a high-integrity, dual-channel communication bridge within the Allen-Bradley ControlLogix architecture\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-794 citation-end-794\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-793\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eEngineered specifically to protect capital investments in legacy plant infrastructure across industries like petroleum refining, continuous automotive assembly, and municipal water treatment, this module provides native physical-layer translation between modern ControlLogix networks and legacy industrial links\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-793 citation-end-793\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-792\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eBy facilitating real-time data migration and interface routing without the high costs of rewiring existing distributed racks, the module dramatically reduces project commissioning risks and avoids catastrophic facility downtime\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-792 citation-end-792\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-791\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe internal processing hardware of the 1756-DHRIO incorporates two isolated communication channels (Channel A and Channel B) that operate independently from one another\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-791 citation-end-791\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-790\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eEach channel can be configured via physical switches or software parameters to run as either a Data Highway Plus (DH+) network interface or a Universal Remote I\/O (RIO) scanner\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-790 citation-end-790\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-789\"\u003eData Highway Plus (DH+) Mode:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-789\"\u003e The module acts as a smart routing gateway that handles token rotation, peer-to-peer messaging, and global data shares between legacy SLC 500 or PLC-5 controllers and standard ControlLogix processors\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-789 citation-end-789\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-788\"\u003eUniversal Remote I\/O (RIO) Mode:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-788\"\u003e The module executes remote network scanning tasks, transmitting discrete I\/O states and managing block transfer data up to 64 words per transaction with legacy distributed devices, including 1771-ASB chassis, 1794 FLEX I\/O adapters, and PanelView operator terminals\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-788 citation-end-788\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-787\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe processing engine natively encapsulates legacy PCCC (Programmable Controller Communication Commands) within the modern Control and Information Protocol (CIP) framework, allowing explicit, multi-hop message routing through up to four independent communication networks and three separate chassis layers\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-787 citation-end-787\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter Metric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCertified Product Specification Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-DHRIO\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries Platform\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-786\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eControlLogix (Bulletin 1756)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-786 citation-end-786\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-785\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eDH+ \/ Universal Remote I\/O Interface\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-785 citation-end-785\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannels Available\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-784\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e2 isolated ports, independently configurable\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-784 citation-end-784\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBaud Rate Options (DH+\/RIO)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-783\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e57.6 kbps, 115.2 kbps, 230.4 kbps\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-783 citation-end-783\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Physical Node Count\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-782\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e32 physical devices per RIO scanner channel\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-782 citation-end-782\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Logical Rack Address\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-781\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e32 full or partial racks scanned per RIO channel\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-781 citation-end-781\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBlock Transfer Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-780\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eUp to 64 data words per read\/write message\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-780 citation-end-780\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current Draw @ 5.1V DC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e850 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current Draw @ 24V DC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.7 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.3 W @ 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation Loading\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e14.67 BTU\/hour\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContinuous Isolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 V continuous (Functional insulation type, channels-to-system\/channel-to-channel)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Physical Media\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-779\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e1770-CD (Belden 9463) \"Blue Hose\" shielded twisted-pair\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-779 citation-end-779\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOnboard Diagnostic Readout\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-778\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eFront-panel 4-character alphanumeric scrolling display\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-778 citation-end-778\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLocal Programming Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-777\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eIntegrated 8-pin mini-DIN programming terminal connector\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-777 citation-end-777\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSlot Width Occupancy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 standard ControlLogix chassis slot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature Envelope\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temperature Limits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to 85 deg C (-40 to 185 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelative Humidity Boundaries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 95 percent non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturing Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWhat is the purpose of the 4-character alphanumeric display on the front panel of the 1756-DHRIO?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-776\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe integrated alphanumeric status display delivers instantaneous real-time network diagnostics and error reporting directly on the module enclosure\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-776 citation-end-776\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-775\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eDuring normal runtime, it scrolls through configured channel network types, baud rates, and station node addresses\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-775 citation-end-775\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. If a system or media error occurs, it flashes precise fault signatures to help engineers pinpoint duplicate node faults or wiring disruptions without needing an active computer connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCan Channel A operate on DH+ while Channel B simultaneously scans a Universal RIO network?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-774\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-774 citation-end-774\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-773\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eChannel A and Channel B feature separate physical and electronic isolation boundaries\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-773 citation-end-773\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-772\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eYou can configure one channel to handle peer-to-peer supervisor messaging over a DH+ token-ring network while assigning the other channel to act as an active RIO scanner controlling legacy distributed I\/O racks\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-772 citation-end-772\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAre external termination resistors required for the 1756-DHRIO network plugs?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-771\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eYes, proper electrical termination is required at both physical ends of each DH+ or Universal RIO network line to prevent signal reflection errors\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-771 citation-end-771\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-770\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eDepending on the specific network hardware layout and communication speed, you must connect either an 82 Ohm or a 150 Ohm termination resistor across the data lines at the furthest physical end-nodes\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-770 citation-end-770\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Commissioning and Maintenance Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-769\"\u003eTrunk Line Shielding and Grounding Protocol:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-769\"\u003e Use high-grade 1770-CD (Belden 9463) shielded twisted-pair cable for all network wiring\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-769 citation-end-769\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. The continuous copper shield drain wire must be carried through all intermediary terminal plugs along the daisy chain and bonded to an absolute plant earth ground station at \u003cstrong\u003eone end of the network segment only\u003c\/strong\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-768\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eGrounding the shield at multiple spots will generate ground loops that distort data packets, leading to bad CRC error codes\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-768 citation-end-768\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-767\"\u003eNode Addressing and Network Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-767\"\u003e Set the physical node address switches and channel type selectors on the side panel of the module prior to inserting it into the ControlLogix backplane\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-767 citation-end-767\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-766\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eEnsure that all devices connected to an individual channel are programmed to identical baud rates (57.6k, 115.2k, or 230.4k bps)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-766 citation-end-766\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-765\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eOverlapping rack addresses or node mismatch values will disrupt data polling cycles across the network\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-765 citation-end-765\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-764\"\u003eLive-Insertion (RIUP) Safety Constraints:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-764\"\u003e The 1756-DHRIO hardware is fully certified for Removal and Insertion Under Power (RIUP) within an active ControlLogix chassis\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-764 citation-end-764\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. However, if the control panel is deployed in a hazardous area classification (Class I Division 2 explosive atmospheres), you must completely isolate line power or confirm the area is non-hazardous before extracting the module or disconnecting the network terminal block plugs to prevent electrical arcing.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003c\/h3\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695173005675,"sku":"Allen Bradley 1756-DHRIO","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-dhrio-communication-module-4x2xiijxci1_41df7cac-2016-4efa-802e-9a377488f7ca.jpg?v=1766114112"},{"product_id":"allen-bradley-1756-m16se-controllogix-sercos-interface-module","title":"Allen-Bradley 1756-M16SE ControlLogix SERCOS Interface Module","description":"\u003cp\u003eThe \u003cstrong\u003e1756-M16SE\u003c\/strong\u003e is a chassis-based motion control module that enables multi-axis closed-loop servo synchronization through a centralized network setup. This interface hardware links software execution tracks inside a central processing host directly to distributed smart drives by establishing a single digital fiber-optic medium connection, eliminating up to 18 traditional discrete signal wires for every single active axis. The device supports real-time transmission vectors across \u003cstrong\u003eSERCOS interface\u003c\/strong\u003e parameters, delivering bidirectional cyclic communication loops to update position command points and upload diagnostic telemetry arrays simultaneously. Architected to operate within standard system racks, the module plugs directly into any available linear slot to control up to 16 independent servo drives under strict position, velocity, or torque loops.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Link Optoelectronic Port\u003c\/strong\u003e: Employs a digital fiber-optic communication terminal to replace complex multi-wire discrete physical bundles per axis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Synchronized Control\u003c\/strong\u003e: Manages closed-loop operational variables for up to 16 independent servo drive units simultaneously from one slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Drive Operating Modes\u003c\/strong\u003e: Supports flexible control switching profiles including real-time position, velocity, and torque regulation loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot Agility\u003c\/strong\u003e: Mounts directly into any standard system rack position to match custom configuration blueprints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Cyclic Diagnostics\u003c\/strong\u003e: Maintains a continuous double-sided feedback stream between controller and drive for tracking fault states.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMulti-axis coordinated packaging lines and sorting conveyor systems.\u003c\/li\u003e\n\u003cli\u003eHigh-precision positioning tables and material handling pick-and-place systems.\u003c\/li\u003e\n\u003cli\u003eSynchronized winding machinery, textile production, and continuous web handling.\u003c\/li\u003e\n\u003cli\u003eClosed-loop servo feed control in automotive and heavy assembly machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-M16SE \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlLogix \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSERCOS Interface Module \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Drives, Max\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSERCOS Data Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Mbps or 8 Mbps \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSERCOS Cycle Time @ 4 Mbps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 ms (up to 2 drives), 1 ms (up to 4 drives), 2 ms (up to 8 drives) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSERCOS Cycle Time @ 8 Mbps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 ms (up to 4 drives), 1 ms (up to 8 drives), 2 ms (up to 16 drives) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Control Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePosition, velocity, and torque \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw @ 5.1V DC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e760 mA \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw @ 24V DC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 mA \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.0 W \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlot Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChassis-based, any slot \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard Power Supplies\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-PA72\/C, 1756-PA75\/B, 1756-PB72\/C, 1756-PB75\/B, 1756-PC75\/B, 1756-PH75\/B \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRedundant Power Supplies\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-PA75R, 1756-PB75R, 1756-PSCA2 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlastic Fiber-Optic Cables\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2090-SCEPxx-0 (non-jacketed CPE), 2090-SCVPxx-0 (standard PVC), 2090-SCNPxx-0 (nylon jacket) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGlass Fiber-Optic Cables\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2090-SCVGxx-0 (standard PVC) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Type Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone (open-style) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 degC to 60 degC (32 degF to 140 degF) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 degC to 85 degC (-40 degF to 185 degF) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% to 95% noncondensing \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration (IEC 60068-2-6)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 g @ 10 to 500 Hz \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Shock (IEC 60068-2-27)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 g \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNonoperating Shock (IEC 60068-2-27)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 g \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Alignment\u003c\/strong\u003e: Ensure the keying tabs match the target rack slot before inserting the hardware to prevent twisting the inner connector path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber-Optic Cable Radius Constraints\u003c\/strong\u003e: Maintain the official minimal bend boundaries when pulling the core plastic or glass fiber lines to prevent high optical loss profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation Passages\u003c\/strong\u003e: Verify that surrounding cable trays do not block upper or lower chassis slots, preserving natural convective cooling across the module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply Sizing Requirements\u003c\/strong\u003e: Sum the combined 5.1 VDC and 24 VDC backplane current draws before initializing startup routines to prevent overcurrent trips.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ec-UL-us\u003c\/strong\u003e: UL Listed Industrial Control Equipment, certified for US and Canada (See UL File E65584); UL Listed for Class I, Division 2 Group A, B, C, D Hazardous Locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE\u003c\/strong\u003e: European Union 2004\/108\/IEC EMC Directive, compliant with EN 61326-1 (Meas.\/Control\/Lab., Industrial Requirements), EN 61000-6-2 (Industrial Immunity), EN 61000-6-4 (Industrial Emissions), and EN 61136-2 (Programmable Controllers Clause 8, Zone A \u0026amp; B).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC-Tick\u003c\/strong\u003e: Australian Radiocommunications Act, compliant with AS\/NZS CISPR 11 (Industrial Emissions).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum number of servo axes this specific model can handle simultaneously?\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eA: This module can handle a maximum of 16 drives or motion axes across the optical loop configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this interface link transmit torque control commands directly to a compatible servo drive?\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eA: Yes, it inherently supports full position, velocity, and torque regulation modes across the real-time communication ring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of fiber-optic cables can be applied to link the module to field drives?\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eA: It supports specified 2090 series cables, including non-jacketed CPE, standard PVC, nylon-jacketed plastic options, and standard PVC glass fiber lines.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695185850731,"sku":"1756-M16SE","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-m16se-sercos-interface-module-efjujxlwuu0_b6f8859f-1320-44ab-b1ee-a3bcc428b823.jpg?v=1766114456"},{"product_id":"allen-bradley-1756-l71s-guardlogix-5571s-safety-automation-controller","title":"Allen-Bradley 1756-L71S GuardLogix 5571S Safety Automation Controller","description":"\u003ch3\u003eProduct Operational Summary\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-628\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-628\"\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-628\"\u003e1756-L71S\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-628\"\u003e is an industrial functional safety automation controller belonging to the Allen-Bradley Bulletin 1756 GuardLogix 5570 family, engineered to fulfill the exact operational criteria of the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-628\"\u003eLogix 5571S Automation Controller 2\/1M\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-628 citation-end-628\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-627\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThis module delivers state-of-the-art dual-processor multitasking execution, purposefully built for safety-critical control application loops\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-627 citation-end-627\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-626\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eIt manages safety zones in high-risk processing environments—such as automotive robotic assembly cells, complex material handling lines, and chemical processing facilities—while concurrently running standard plant logic tasks\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-626 citation-end-626\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-625\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eBy providing decoupled execution tasks, it allows developers to execute discrete safety interlocking and standard machine automation routines simultaneously inside a single physical chassis slot\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-625 citation-end-625\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSystem Architecture and Functional Design\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-624\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe hardware architecture of the 1756-L71S uses a 2-out-of-2 (2oo2) electronic voting structure\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-624 citation-end-624\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-623\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe standard ControlLogix processor executes primary machine control routines, while a dedicated Safety Partner module (such as the 1756-L7SP) acts as a co-processor to execute safety tasks and provide continuous diagnostic validation\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-623 citation-end-623\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-622\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-622\"\u003eFor its internal memory layout, the \"2\/1M\" designation corresponds directly to its calibrated volatile memory boundaries: it features \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-622\"\u003e2 MB of User Memory\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-622\"\u003e reserved exclusively for standard tasks, alongside \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-622\"\u003e1 MB of Safety Memory\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-622\"\u003e dedicated entirely to safety tasks\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-622 citation-end-622\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-621\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eProgrammatic execution constraints enforce that safety tasks support the Ladder Diagram (LD) programming language exclusively to ensure deterministic cross-checking, while standard logic tasks can be programmed across multiple languages, including Structured Text (ST), Function Block Diagram (FBD), and Sequential Function Charts (SFC)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-621 citation-end-621\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter Metric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCertified Technical Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-620\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e1756-L71S\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-620 citation-end-620\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-619\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-619 citation-end-619\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries Architecture\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-618\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eGuardLogix 5570 Automation Controllers\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-618 citation-end-618\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStandard User Memory Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-617\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e2 MB\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-617 citation-end-617\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSafety Task Memory Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-616\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e1 MB\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-616 citation-end-616\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Memory Allocation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-615\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e0.98 MB\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-615 citation-end-615\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Digital I\/O Capability\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-614\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e128,000 nodes\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-614 citation-end-614\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Analog I\/O Capability\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-613\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e4000 channels\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-613 citation-end-613\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNonvolatile Firmware Storage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-612\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e1 GB Secure Digital (SD) card (1784-SD1 pre-installed)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-612 citation-end-612\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current Draw @ 5.1V DC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-611\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e800 mA\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-611 citation-end-611\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current Draw @ 1.2V DC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-610\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e5 mA\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-610 citation-end-610\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Thermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-609\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e8.5 BTU\/hr\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-609 citation-end-609\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Power Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-608\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e2.5 W\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-608 citation-end-608\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage Stability\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-607\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e30V continuous (Basic insulation type, USB port-to-system)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-607 citation-end-607\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupported Communication Protocols\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-606\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eEtherNet\/IP, ControlNet, DeviceNet\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-606 citation-end-606\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOnboard Programming Port\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-605\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eHigh-Speed USB 2.0 (Front-panel local access only)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-605 citation-end-605\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnergy Storage Module Options\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-604\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eRemovable Capacitor Modules (1756-ESMCAP, 1756-ESMNSE, 1756-ESMNRM)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-604 citation-end-604\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePhysical Slot Width Occupancy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-603\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e1 Standard ControlLogix Chassis Slot\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-603 citation-end-603\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature Envelope\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-602\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-602 citation-end-602\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Rating Specification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-601\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eNone (Open-style module housing)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-601 citation-end-601\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWhat does the 2\/1M rating mean for programming a safety system?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-600\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe 2\/1M description defines the physically segregated memory allocations of the 1756-L71S module\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-600 citation-end-600\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-599\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe standard portion of your project file (such as non-safety HMI communication, diagnostic mappings, and sequencing code) can utilize up to 2 MB of user memory\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-599 citation-end-599\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-598\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe critical safety-related interlocking code (such as light curtains, emergency stops, and safe-speed control loops) is restricted to a separate 1 MB memory area\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-598 citation-end-598\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIs the 1756-L71S controller capable of running safety routines independently without accessories?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo, the 1756-L71S cannot execute safety tasks alone. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-597\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eIt must be paired with an adjacent 1756-L7SP (or 1756-L7SPK) Safety Partner module in the same local chassis\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-597 citation-end-597\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-596\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe Safety Partner acts as the secondary voting channel, checking the primary controller's safety logic processing to achieve functional safety certifications\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-596 citation-end-596\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHow are program backups preserved during an unexpected loss of backplane power?\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-595\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe controller ships with an installed 1756-ESMCAP capacitor energy storage module\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-595 citation-end-595\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-594\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eWhen backplane power fails, this capacitor provides temporary internal power, allowing the processor to automatically flush the active project from its volatile RAM into the nonvolatile 1 GB SD card (1784-SD1)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-594 citation-end-594\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-593\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThis design eliminates the need for legacy lithium backup batteries\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-593 citation-end-593\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Commissioning and Safety Declarations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-592\"\u003eLocal Safety Partner Placement:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-592\"\u003e When installing the 1756-L71S inside a 1756-A series backplane chassis, the mandatory 1756-L7SP safety partner must be placed in the slot immediately to the right of the primary controller\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-592 citation-end-592\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-591\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe two modules communicate over a high-speed local connection to maintain synchronous safety diagnostics\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-591 citation-end-591\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-590\"\u003eEnergy Storage Transport Safety:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-590\"\u003e If your facility requires the module to be completely depleted of electrical energy before removal or air transit, replace the standard 1756-ESMCAP module with a 1756-ESMNSE No-Stored-Energy module\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-590 citation-end-590\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-589\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe ESMNSE module drops its residual energy below 40 µJ in less than 40 seconds upon power disconnection\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-589 citation-end-589\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-588\"\u003eLocal Programming Port Restrictions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-588\"\u003e The front-facing USB 2.0 port is designed strictly for short-term maintenance tasks, such as initial firmware flashing, configuration changes, or uploading logic modifications\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-588 citation-end-588\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-587\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eIt is not rated or certified for permanent network connections, and it must not be connected while hazardous or explosive atmospheric conditions are present\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-587 citation-end-587\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695188996459,"sku":"1756-L71S","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-l71s-guardlogix-integrated-safety-pac-module-kys0vrtaq4w_89ad3e3e-f814-4431-9051-8d22aad7871e.jpg?v=1766114561"},{"product_id":"allen-bradley-1756-pbr2-controllogix-redundant-power-supply-bundle-kit","title":"Allen-Bradley 1756-PBR2 ControlLogix Redundant Power Supply Bundle Kit","description":"\u003ch3\u003eFunctional Summary\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PBR2 (1756PBR2)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a complete, factory-bundled redundant DC power solution within the Allen-Bradley ControlLogix automation framework. Engineered for high-availability process lifelines in critical infrastructure operations such as offshore drilling platforms, municipal water treatment facilities, and continuously operating steel manufacturing systems, this bundle eliminates power delivery single points of failure. By pairing two hardware-independent redundant power supplies with a specialized chassis adapter, the system achieves a fault-tolerant architecture. If one incoming power feed drops or an internal component fault occurs, the secondary power supply immediately maintains full backplane current requirements without shifting system voltage states, preventing expensive processor resets and reducing catastrophic facility downtime.\u003c\/p\u003e\n\u003ch3\u003eSystem Kit Components and Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PBR2 redundant bundle includes a matched set of industrial hardware components configured to form a synchronized power network:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTwo 1756-PB75R Redundant Power Supplies:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThese 24 VDC nominal power modules feature advanced internal decoupling diodes to safely manage load-sharing tasks and shield the backplane rail against upstream line short-circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOne 1756-PSCA2 Chassis Adapter Module:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis passive hardware module mounts directly to the left side of any standard 1756 ControlLogix chassis, serving as the localized connection plane that channels currents from both external supplies directly to the backplane pins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTwo 1756-CPR2 Redundancy Cables:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThese heavy-duty, low-impedance connection links transfer DC output currents and critical status signaling from the independent power enclosures directly to the 1756-PSCA2 chassis adapter interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe integrated control electronics feature limited line hold-up capabilities to ride out temporary input voltage drops, alongside an early-warning shutdown broadcast loop that informs all local I\/O and processor modules of an imminent voltage crash to ensure safe data persistence before power drops out completely.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Engineering Data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eEngineering Metric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCertified Product Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-PBR2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries Platform\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlLogix (Bulletin 1756 \/ 1757)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eComponent Kit Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRedundant DC Power Supply Bundle\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Supply Voltage (Nominal)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperational Input Voltage Window\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19 to 32 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal Backplane Power Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e75 W @ 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBundle Bill of Materials\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 x 1756-PB75R Power Supplies, 1 x 1756-PSCA2 Chassis Adapter, 2 x 1756-CPR2 Redundancy Cables\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Status Diagnostics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrated LED health indicators with predictive power failure signaling\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature (Min)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 deg C (32 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e60 deg C (140 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temperature Limits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to 85 deg C (-40 to 185 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelative Humidity Boundaries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 95 percent non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVibration Acceleration Limit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 m\/s sq maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVibration Frequency Threshold\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e500 Hz operational maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Rail Voltages Generated\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAll standard voltages necessary for standard ControlLogix module execution (1.2V, 3.3V, 5.1V, 24V DC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Protection Class\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOpen-style industrial hardware assembly\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCombined Shipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.95 kg (6.50 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-PBR2 bundle allow true live-swapping of an individual power module during operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Because the 1756-PBR2 bundle places the power supplies on an external mounting panel detached from the chassis, you can safely swap out a faulty 1756-PB75R module or disconnect its 1756-CPR2 cable under live operating conditions. The surviving power supply maintains the full load requirement, ensuring zero disruption to the active processor tasks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the two 1756-PB75R units inside this bundle be powered from different 24 VDC source lines?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, this is the recommended field design for maximizing infrastructure uptime. Wiring one supply module to a dedicated 24 VDC battery bank and the second module to an independent utility-driven 24 VDC industrial power source ensures continuous operation even during a complete plant utility blackout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the specific purpose of the 1756-PSCA2 module included in this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1756-PSCA2 is a passive routing adapter that occupies the standard left-hand power supply slot on a ControlLogix chassis. It contains no active internal conversion logic; instead, it provides the physical terminals for the two 1756-CPR2 redundancy cables, merging their independent output rails into a single backplane power feed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering and Installation Protocol\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Adapter Mechanical Fastening:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMount the 1756-PSCA2 adapter module securely onto the left-hand mounting pins of the standard ControlLogix chassis. Tighten the top and bottom captive hardware screws to lock the interface into place. Ensure the main chassis grounding lug uses a low-impedance copper strap tied directly to the enclosure ground bus bar to clear high-frequency noise from the incoming DC rails.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy Cable Retention and Minimum Bend Radius:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConnect the two 1756-CPR2 cables between the rear connectors of the 1756-PB75R supplies and the dual docking ports on the faceplate of the 1756-PSCA2 adapter. Secure all mechanical cable thumbscrews to protect against connection failure caused by field vibration. Do not bend the 1756-CPR2 cables past a minimum radius of 50 mm (2.0 inches) to prevent stress fatigue on the internal signaling strands.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Management and Clearance Layout:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eExternal 1756-PB75R power units rely on natural convection to vent thermal energy. Mount the supplies vertically on a backpanel or DIN-rail structure, keeping at least 51 mm (2.0 inches) of clear space above and below each housing. Route all 24 VDC field power source lines in independent wire ways away from data links and high-voltage motor conductors to insulate the power network from inductive noise spikes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003c\/h3\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695189520747,"sku":"Allen Bradley 1756-PBR2","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-pbr2-redundant-power-supply-3l45pxgvwqf_eef23023-dc2c-484a-a98f-b41bbc61acfe.jpg?v=1766114579"},{"product_id":"allen-bradley-1756-rio-controllogix-remote-i-o-scanner-module","title":"Allen-Bradley 1756-RIO ControlLogix Remote I\/O Scanner Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1756-RIO (1756RIO)\u003c\/strong\u003e is a ControlLogix Remote I\/O scanner module developed by Allen-Bradley for bridging legacy Remote I\/O networks with modern Logix controllers. The module enables a ControlLogix chassis to act as a scanner on classic RIO networks, allowing migration without replacing installed field I\/O. It supports block transfer messaging, discrete data exchange, and rack addressing used in legacy PLC architectures. Engineers deploy this module in refineries, power generation facilities, and heavy material handling systems where phased upgrades reduce downtime. The 1756-RIO preserves installed infrastructure while enabling high-speed data exchange and deterministic control integration.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 1756-RIO operates as a Remote I\/O scanner within the ControlLogix backplane. The module communicates with legacy I\/O adapters using blue hose Remote I\/O cabling and supports standard rack addressing modes. It manages block transfer read and write instructions for analog and intelligent devices. The hardware supports selectable baud rates and flexible rack size configuration. The module handles discrete input and output mapping directly into Logix memory. It also supports partial rack addressing, improving compatibility with mixed legacy installations. Backplane communication occurs through the ControlLogix chassis, eliminating external gateway hardware.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-RIO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eControlLogix Remote I\/O Scanner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e1.2 A at 5.1 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e6.1 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eRemote I\/O Blue Hose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003e57.6 kbps \/ 115.2 kbps \/ 230.4 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRack Addressing\u003c\/td\u003e\n\u003ctd\u003e1\/4, 1\/2, 3\/4, Full Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 32 racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e30 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.32 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e145 x 35 x 140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan 1756-RIO replace a PLC-5 RIO scanner directly?\u003c\/strong\u003e\u003cbr\u003eYes. The module functions as a scanner and communicates with existing Remote I\/O adapters. Logix mapping must be configured.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module support block transfer instructions?\u003c\/strong\u003e\u003cbr\u003eYes. The 1756-RIO supports block transfer read and write messaging for analog and intelligent I\/O modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat cable type is required for Remote I\/O communication?\u003c\/strong\u003e\u003cbr\u003eThe module uses standard Remote I\/O blue hose cable with daisy chain topology.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 1756-RIO compatible with ControlLogix redundancy?\u003c\/strong\u003e\u003cbr\u003eYes. The module supports redundancy when installed in mirrored chassis with identical configuration.\u003c\/p\u003e\n\u003ch3\u003eEngineering Installation Guide\u003c\/h3\u003e\n\u003ch4\u003eStep 1: Verify Chassis Power Budget\u003c\/h4\u003e\n\u003cp\u003eConfirm the ControlLogix power supply supports the 1756-RIO current requirement. The module draws backplane current from 5.1 VDC. Check total chassis load before installation to avoid power supply overload. High density racks may require higher capacity power supply.\u003c\/p\u003e\n\u003ch4\u003eStep 2: Select Proper Slot Location\u003c\/h4\u003e\n\u003cp\u003eInstall the 1756-RIO in a standard ControlLogix slot. Avoid placing the module next to high heat modules such as analog outputs or power supplies. Maintain airflow spacing inside the chassis for stable thermal performance.\u003c\/p\u003e\n\u003ch4\u003eStep 3: Configure Module Node and Baud Rate\u003c\/h4\u003e\n\u003cp\u003eSet the Remote I O baud rate to match existing adapters. Supported speeds include 57.6 kbps, 115.2 kbps, and 230.4 kbps. All devices on the Remote I O network must use identical communication speed.\u003c\/p\u003e\n\u003ch4\u003eStep 4: Prepare Remote I O Cable Wiring\u003c\/h4\u003e\n\u003cp\u003eUse approved blue hose Remote I O cable. Implement daisy chain topology only. Do not use star or ring wiring. Maintain consistent cable impedance across the trunk line.\u003c\/p\u003e\n\u003ch4\u003eStep 5: Install Network Termination\u003c\/h4\u003e\n\u003cp\u003eInstall termination resistors at both ends of the Remote I O trunk. Improper termination causes communication retries and rack faults. Verify termination before applying power.\u003c\/p\u003e\n\u003ch4\u003eStep 6: Configure Rack Addressing\u003c\/h4\u003e\n\u003cp\u003eMatch rack addressing with legacy Remote I O adapters. The 1756-RIO supports full rack, half rack, and quarter rack addressing. Incorrect configuration causes I O mapping errors.\u003c\/p\u003e\n\u003ch4\u003eStep 7: Grounding and Shielding\u003c\/h4\u003e\n\u003cp\u003eConnect cable shield to chassis ground at one point only. Avoid multiple ground connections. Route Remote I O cable away from motor drives and high voltage wiring.\u003c\/p\u003e\n\u003ch4\u003eStep 8: Insert Module into Chassis\u003c\/h4\u003e\n\u003cp\u003eInsert the 1756-RIO firmly into the backplane. Ensure top and bottom locking tabs engage fully. Loose seating may cause intermittent backplane communication faults.\u003c\/p\u003e\n\u003ch4\u003eStep 9: Power Up and Initial Diagnostics\u003c\/h4\u003e\n\u003cp\u003eApply power to the chassis. Check module status LED. Verify scanner enters run state. Monitor communication counters and rack status.\u003c\/p\u003e\n\u003ch4\u003eStep 10: Commissioning and Validation\u003c\/h4\u003e\n\u003cp\u003eDownload configuration from Studio 5000. Validate discrete mapping and block transfer messaging. Confirm all Remote I O racks update correctly. Monitor system for communication retries.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695189913963,"sku":"1756-RIO","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-rio-remote-i-o-network-module-yon3nuu21u5_96991a92-f27e-4265-a39a-dac5ac02950d.jpg?v=1766114592"},{"product_id":"allen-bradley-1756-en2tr-controllogix-ethernet-ip-dual-port-communication-module","title":"Allen-Bradley 1756-EN2TR ControlLogix EtherNet\/IP Dual Port Communication Module","description":"\u003ch3\u003eProduct Insights\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2TR (1756EN2TR)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance, dual-port EtherNet\/IP communication module engineered for the Rockwell Automation ControlLogix platform. This module is indispensable for industrial sectors such as oil and gas refining, power generation, and automotive manufacturing, where network uptime is non-negotiable. By supporting Device Level Ring (DLR) topology, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2TR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides hardware-layer redundancy that prevents system failure in the event of a single cable break. Its ability to manage high-speed I\/O data and explicit messaging simultaneously makes it the backbone of modern distributed control systems, significantly reducing unplanned downtime and enhancing plant-wide data transparency.\u003c\/p\u003e\n\u003ch3\u003eNetwork Architecture \u0026amp; Capabilities\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2TR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes standard EtherNet\/IP protocols to bridge the gap between high-level information systems and floor-level industrial assets.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Port Functionality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike single-port modules, the dual RJ45 ports allow for flexible topologies, including linear and DLR, eliminating the need for external Ethernet switches in many configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Connection Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupporting up to 256 CIP connections and 128 TCP connections, this module handles dense I\/O traffic and peer-to-peer interlocking with ease.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMessage Bridging:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt facilitates seamless bridging of CIP unconnected messages (128 via backplane and 128 via Ethernet), ensuring that diagnostic and configuration data flow without bottlenecking real-time control traffic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRuggedized Security:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module features 30V continuous isolation and is type-tested at 980V AC to ensure electrical noise on the factory floor does not migrate to the ControlLogix backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"\"\u003eItem\u003c\/th\u003e\n\u003cth class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-EN2TR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e140 x 30 x 145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.1 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003e5.1 V DC backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Ports\u003c\/td\u003e\n\u003ctd\u003e2 RJ45 (10\/100 Mbps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCIP Connections\u003c\/td\u003e\n\u003ctd\u003eUp to 256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e30 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration\u003c\/td\u003e\n\u003ctd\u003e2 G (10 to 500 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock Rating\u003c\/td\u003e\n\u003ctd\u003e30 G operating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMC Standard\u003c\/td\u003e\n\u003ctd\u003eCISPR 11 Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Knowledge Base\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-EN2TR support Ring Redundancy without an external switch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module features integrated switching technology that specifically supports Device Level Ring (DLR) topology. This allows the module to be part of a resilient ring network where the hardware manages path recovery automatically.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 1756-EN2T and the 1756-EN2TR?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"R\" suffix in 1756-EN2TR stands for Redundancy\/Ring. While the 1756-EN2T has only one Ethernet port, the 1756-EN2TR has two ports and supports DLR and linear topologies directly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module be used in hazardous locations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is rated with North American Temp Code T4A and ATEX\/IECEx Temp Code T4, making it suitable for specific hazardous environments when installed in a properly rated enclosure.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDLR Implementation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen configuring a Device Level Ring, ensure that at least one node (typically a programmable controller or a specialized switch) is configured as the Ring Supervisor. While the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2TR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis DLR-capable, the ring will not function as a redundant path without an active supervisor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCabling Requirements:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse Category 5e (or higher) shielded twisted-pair (STP) cabling in high-interference environments to maintain 100 Mbps speeds. Ensure the drain wire is properly grounded at the chassis to mitigate EFT (Electrically Fast Transient) issues on the Ethernet ports.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIn high-density chassis where multiple\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2TR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodules are used, maintain a minimum of 2 inches of clearance above and below the chassis. The module dissipates 17.4 BTU\/h, and stagnant air can lead to thermal throttling or premature component aging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUSB Port Usage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe front-facing USB port is intended for temporary local configuration and programming only. It is not designed for permanent connection or industrial networking.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695190143339,"sku":"1756-EN2TR","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-en2tr-controllogix-ethernet-ip-2fhuhn1yn52_da04789d-f8dc-42a5-a256-ec7a4bbbf565.jpg?v=1766114600"},{"product_id":"allen-bradley-1756-oa16-controllogix-16-point-ac-output-module","title":"Allen-Bradley 1756-OA16 ControlLogix 16-Point AC Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OA16\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance discrete AC output module for the Allen-Bradley ControlLogix platform. It features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 outputs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned to interface with 120\/240V AC devices such as motor starters, solenoids, and indicators. The module utilizes TRIAC switching technology, which provides a reliable, solid-state solution for standard industrial AC loads.\u003c\/p\u003e\n\u003cp\u003eThe outputs are organized into two isolated groups of eight points each. This architecture allows the module to handle different AC phases or voltage sources within the same module, provided they stay within the 74…265V AC operating range. With built-in mechanical fusing and support for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eScheduled Outputs\u003c\/strong\u003e, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OA16\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a robust choice for time-critical AC control applications.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 1756-OA16 is engineered for safety and precise AC switching:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Group Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 points are split into two groups of 8, with 250V continuous isolation between groups and from the backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTRIAC Switching:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEmploys zero-crossing switching to minimize electrical noise and extend the life of connected AC components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach group is mechanically fused with a 3.15 A slow-blow fuse (Littelfuse p\/n H2153.15) to protect module circuitry from over-current conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBroad Voltage Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile nominally 120\/240V, it is specified to operate reliably from 74V to 265V AC at both 50 and 60 Hz frequencies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConfigurable States:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUsers can define how each point behaves during a PLC Fault or Program mode (Hold Last State, On, or Off).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-OA16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley (Rockwell Automation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 (8 per group)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120\/240V AC 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e74…265V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent per Point\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 A max @ 60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent per Module\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0 A max @ 60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Delay (Off to On)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.3 ms @ 60 Hz \/ 11 ms @ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge Current (Point)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 A for 43 ms (repeatable every 2 s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFusing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.15 A @ 250V (1 per group)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.17 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the minimum load requirement for the 1756-OA16?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis module requires a minimum load current of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10 mA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eper point to ensure the TRIAC stays latched. If you are driving a very high-impedance device (like a tiny neon lamp or high-end electronic relay), the output may not turn off correctly or could \"flicker\" due to leakage current.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I do if my TRIAC output latches \"On\" with a small load?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor loads between 10…50 mA, the module has a lower commutating\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$dv\/dt$\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003erating (\u003cspan class=\"math-inline\"\u003e$0.2V\/\\mu s$\u003c\/span\u003e). If the TRIAC latches on unexpectedly, you may need to add an external resistor across the output and L2 to increase the total current draw to at least 50 mA, which raises the rating to\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$4V\/\\mu s$\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace the internal fuses?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module uses mechanical fuses (Littelfuse p\/n H2153.15). However, if a fuse blows, it is critical to investigate the load for a short circuit before replacing it to prevent damage to the RTB or module.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWiring and Grouping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Blocks:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompatible with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBNH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(NEMA screw) or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBSH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Spring clamp) 20-pin removable terminal blocks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommoning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGroup 0 (Points 0–7) and Group 1 (Points 8–15) have independent L1 and L2 connections. Do not mix DC power with this AC module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePilot Duty:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module is rated for 0.5 A pilot duty, making it suitable for controlling the coils of large motor starters (NEMA size 4 or smaller).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eLeakage Current Considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe TRIAC outputs have a maximum off-state leakage current of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3 mA\u003c\/strong\u003e. In systems with high-sensitivity inputs or very small loads, this leakage may be enough to keep a device energized. Always verify that your load's \"drop-out\" current is significantly higher than 3 mA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eZero-Crossing Switching\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module utilizes zero-crossing synchronization, meaning it waits for the AC sine wave to cross 0V before turning the output on or off. This significantly reduces Inrush Current and Electromagnetic Interference (EMI), which is vital for the longevity of the module and surrounding electronic equipment.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695190307179,"sku":"1756-OA16","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-oa16-controllogix-discrete-output-module-jzpyw3o4hmr_045a7691-3768-4890-9e91-a8e0638b6e83.jpg?v=1766114605"},{"product_id":"allen-bradley-1756-ob32-controllogix-32-point-dc-output-module","title":"Allen-Bradley 1756-OB32 ControlLogix 32-Point DC Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OB32\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density discrete output module for the Allen-Bradley ControlLogix platform. It provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e32 sourcing outputs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein a single-slot module, divided into two isolated groups of 16 points each. Operating within a 12\/24V DC range, this module is ideal for driving high-density solenoid valves, relays, and indicator lights in complex automation systems.\u003c\/p\u003e\n\u003cp\u003eEngineered for performance and reliability, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OB32\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures exceptionally fast response times (typically 60 µs from Off to On) and supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eScheduled Outputs\u003c\/strong\u003e, ensuring synchronized operation within the Coordinated System Time (CST) for time-critical manufacturing processes.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 1756-OB32 is designed for high-density control and environmental resilience:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Point Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e32 points per module allow for smaller chassis requirements and reduced cabinet footprint.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGroup Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOutputs are arranged in two groups of 16, providing 125V continuous isolation between groups to protect against cross-talk or different power source issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures per-point fault mode states (Hold Last State, On, or Off), allowing for predictable machine behavior during a processor fault or program change.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConformal Coating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module is rated for harsh environments, meeting\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSeverity Level G3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(ISA 71.04) for corrosive atmospheres, making it suitable for wastewater, chemical, or heavy industrial sites.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectronic Keying:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSoftware-configurable keying ensures that the correct module type is present in the slot before the system allows operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-OB32\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 Sourcing (16 per group)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10…31.2V DC (24V DC Nominal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent per Point\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 A @ 50 °C \/ 0.35 A @ 60 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent per Module\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 A @ 50 °C \/ 10 A @ 60 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResponse Time (Off to On)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e60 µs nominal \/ 1 ms max\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250V (Outputs to Backplane) \/ 125V (Group to Group)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.8 W @ 60 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16.37 BTU\/hr\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module have internal fusing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1756-OB32 is not internally fused. To protect your outputs from short circuits or over-current conditions, it is highly recommended to use a fused Interface Module (IFM) or external terminal block fuses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module to drive high-inrush loads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports a surge current of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 A for 10 ms per point\u003c\/strong\u003e, repeatable every 2 seconds at 60 °C. If your load exceeds this (such as large DC motors), you should use an interposing relay.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the \"Off-state leakage current\"?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe maximum leakage current is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5 mA per point\u003c\/strong\u003e. This is important to consider when driving high-impedance loads like small LEDs or sensitive electronic inputs, which might \"glow\" or stay active even when the output is technically Off.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Derating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen designing your panel, account for thermal derating. At\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50 °C (122 °F)\u003c\/strong\u003e, the module can handle 0.5 A per point and 16 A total. However, at\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e60 °C (140 °F)\u003c\/strong\u003e, the capacity drops to 0.35 A per point and 10 A total. Ensure your enclosure has adequate cooling to maintain these limits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWiring and Termination\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Blocks:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRequires a 36-pin Removable Terminal Block (RTB), specifically the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBCH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Cage clamp) or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBSH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Spring clamp).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWire Size:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse 22–14 AWG solid or stranded copper wire rated for at least 105 °C. For double-wire connections, use 22–16 AWG.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommoning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach group of 16 points has its own DC+ (VDC) and DC- (COM) terminals. Ensure both groups are powered if all 32 points are in use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSoftware Configuration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn Studio 5000:\u003c\/p\u003e\n\u003col class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFault\/Program States:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigure how the outputs should react when the PLC enters \"Program Mode\" or if a communication \"Fault\" occurs. The default is \"Off,\" but \"Hold Last State\" is often used in continuous process applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectronic Keying:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSet to \"Compatible Module\" for easier maintenance, or \"Exact Match\" for high-security applications where only a specific firmware\/series is allowed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695190438251,"sku":"Allen Bradley 1756-OB32","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-ob32-controllogix-32-pt-12-24v-dc-d-o-module-sqqn2xnvqwo_7404ec45-77e4-4220-8ebf-3cfe69522330.jpg?v=1766114610"},{"product_id":"allen-bradley-1756-hsc-b-controllogix-high-speed-counter-module","title":"Allen-Bradley 1756-HSC\/B ControlLogix High-Speed Counter Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-HSC\/B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance High-Speed Counter (HSC) module designed for the Allen-Bradley ControlLogix platform. This module is engineered for precision motion and counting applications that exceed the scanning capabilities of standard digital input modules. It is capable of processing rapid pulse streams from encoders, flow meters, and proximity sensors with extreme accuracy.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSeries B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eversion of this module offers refined stability and is an essential component for applications requiring high-speed event detection, such as bottling lines, material handling, and turbine speed monitoring. By offloading the counting logic from the CPU to the module hardware, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-HSC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures that pulses are never \"missed\" due to PLC scan time fluctuations.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 1756-HSC provides robust I\/O capabilities tailored for industrial counting:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual Counter Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures two independent counters, allowing for the simultaneous monitoring of two different high-speed processes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTriple Input Per Counter:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach counter accepts three inputs (typically A, B, and Z\/Index signals), facilitating full quadrature encoder support for directional and position sensing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQuad Output Signals:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes four physical outputs that can be configured to trigger based on specific count values (Preset\/Current Value), enabling real-time hardware-level responses.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned to handle frequencies up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 MHz\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(in certain configurations), providing the resolution needed for high-speed manufacturing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDraws only 300 mA from the 5.1V backplane and a negligible 3 mA from the 24V source, resulting in a low total backplane power footprint of 1.6 Watts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-HSC (Series B)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlLogix\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCounter Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInputs per Counter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 (A, B, and Z)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e300 mA @ 5.1V DC \/ 3 mA @ 24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax. Power Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.6 Watts @ 60 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19.1 BTU\/hr\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 °C (32 to 140 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSlot Width\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Slot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.23 kg (0.50 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between Series A and Series B?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile both series share the same core functional specs, Series B typically includes hardware revisions for improved component longevity and better resistance to electromagnetic interference (EMI). For most applications, Series B is preferred for its updated firmware compatibility and enhanced circuit protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module support a standard incremental encoder?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The three-input configuration per counter is specifically designed for incremental encoders. It supports X1, X2, and X4 quadrature decoding, as well as Up\/Down counting and Pulse\/Direction modes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require an external power supply for the inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1756-HSC inputs and outputs require an external field power supply (typically 12\/24V DC). The backplane current listed is strictly for the module's internal logic and communication with the ControlLogix CPU.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWiring and Signal Integrity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHigh-speed counting is highly sensitive to electrical noise. To prevent \"ghost counts\":\u003c\/p\u003e\n\u003col class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse high-quality shielded twisted-pair cables for all encoder connections. Connect the shield to a single ground point at the chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCable Routing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNever route encoder cables in the same conduit or tray as high-voltage AC motor wires or VFD output cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Block:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure the 1756-TBCH or 1756-TBSH (36-pin) removable terminal block is securely seated.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eModule Configuration in Studio 5000\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen adding the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-HSC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto your I\/O tree:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFilter Selection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigure the input filters to match your expected pulse frequency. Setting a filter too low will \"smooth out\" legitimate high-speed pulses, while setting it too high may allow noise to be counted.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCounter Mode:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSelect between \"Counter\" (for totalizing) or \"Encoder\" (for positioning).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse the \"Storage\" feature to capture the current count value on a specific transition of the 'Z' input for precise homing sequences.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Management\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1756-HSC dissipates up to 5.6 Watts. Ensure the ControlLogix chassis is mounted in a well-ventilated enclosure. If the cabinet's internal temperature approaches 60 °C, consider utilizing forced-air cooling to prevent thermal derating of the counting precision.\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695190569323,"sku":"1756-HSC\/B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-hsc-b-hsc-module-ra4uewbbisd_8c782b85-0ecf-4a79-8a3b-67662f5047df.jpg?v=1766114611"},{"product_id":"1756-cn2r-allen-bradley-controllogix-controlnet-bridge-module","title":"1756-CN2R Allen-Bradley ControlLogix ControlNet Bridge Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-CN2R\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance ControlNet bridge module belonging to the Allen-Bradley ControlLogix platform. It is specifically designed to facilitate high-speed, deterministic communication in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eredundant network topologies\u003c\/strong\u003e. Featuring dual BNC ports, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-CN2R\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallows for a \"bumpless\" switchover between media cables, ensuring that critical industrial processes remain online even if one network path is compromised.\u003c\/p\u003e\n\u003cp\u003eSupporting up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e99 nodes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand a data rate of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 Mbps\u003c\/strong\u003e, this module is a cornerstone for Distributed I\/O architectures, HMI\/SCADA connectivity, and peer-to-peer controller interlocking. Its ability to cover up to 1,000 meters per segment (extendable via repeaters) makes it an ideal solution for large-scale manufacturing facilities and process plants that require time-critical data exchange via the Common Industrial Protocol (CIP).\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 1756-CN2R is engineered for maximum availability and system flexibility:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Media Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDual BNC ports provide two independent paths for ControlNet signals, protecting against cable breaks or connector failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Connection Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e128 Logix connections\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand a total of 131 communication connections, allowing for extensive I\/O and messaging tasks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance Port:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes a front-facing USB 1.1 port (12 Mbps) dedicated to local configuration, programming, and firmware updates (not intended for runtime data communication).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Environmentals:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for a wide operating temperature range (0 to 60 °C) and high vibration resistance (2G at 10-500Hz), suitable for demanding cabinet environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompatible with all standard 1756 ControlLogix chassis (A4 through A17) and both standard and redundant power supply configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-CN2R\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlNet Bridge (Redundant)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 Mbps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNodes (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e99\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLogix Connections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal Connections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e131\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1300 mA @ 5.1V DC \/ 3 mA @ 24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.7 Watts (22.9 BTU\/hr)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (HxWxD)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.51 x 4.41 x 5.71 in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.43 kg (0.94 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat cable is required for the 1756-CN2R?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module requires\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1786-RG6\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003equad-shield RG6 coaxial cable. Proper termination with 75-ohm resistors at the ends of the trunk line is mandatory for network stability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the USB port be used for HMI communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The USB port is strictly for temporary maintenance tasks, such as configuring the module via RSLinx or flashing firmware. Runtime data communication must occur over the ControlNet BNC ports.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support \"Hot Swapping\"?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Like most 1756 modules, the 1756-CN2R supports Removal and Insertion Under Power (RIUP), allowing you to replace the module without cycling power to the entire chassis.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Cabling Strategy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo achieve true redundancy, route the two BNC coaxial cables (Channel A and Channel B) through different physical paths or conduits. This minimizes the risk of a single mechanical event (like a forklift accident or fire) severing both communication lines simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Scheduling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery ControlNet network containing a 1756-CN2R must be scheduled using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRSNetWorx for ControlNet\u003c\/strong\u003e. This software establishes the Network Update Time (NUT) and ensures that deterministic data (Scheduled) and non-critical data (Unscheduled) are prioritized correctly. Failing to \"save to the keeper\" after making hardware changes will result in I\/O communication failures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower and Grounding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnsure the chassis is properly grounded to a low-impedance earth ground. The 1756-CN2R has an isolation voltage of 30V continuous, tested at 500V. Proper grounding is critical for the BNC shields to prevent electromagnetic interference (EMI) from corrupting the 5 Mbps data stream.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695190667627,"sku":"1756-CN2R","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-cn2r-controlnet-communication-module-0s3lkivwraf_0488d9b5-2aa6-4aa2-87ad-e441d7973b10.jpg?v=1766114615"},{"product_id":"1756-pb72-allen-bradley-controllogix-24v-dc-power-supply","title":"1756-PB72 Allen-Bradley ControlLogix 24V DC Power Supply","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan\u003e1756-PB72\u003c\/span\u003e is a high-performance \u003cspan\u003e24V DC Power Supply\u003c\/span\u003e designed for the Allen-Bradley \u003cspan\u003eControlLogix 1756\u003c\/span\u003e chassis system. This module is responsible for converting an external 24V DC source into the specific backplane voltages (1.2V, 3.3V, 5.1V, and 24V DC) required to power ControlLogix processors, I\/O modules, and communication adapters. Engineered for maximum reliability in industrial environments, the \u003cspan\u003e1756-PB72\u003c\/span\u003e provides enhanced ride-through capabilities and robust protection against electrical transients, ensuring stable operation for critical control architectures.\u003c\/p\u003e\n\u003ch3\u003eFunctional Engineering \u0026amp; Load Capacity\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan\u003e1756-PB72\u003c\/span\u003e is designed to support high-density chassis configurations. It provides a total current capacity of \u003cspan\u003e13 Amps at 5.1V DC\u003c\/span\u003e and \u003cspan\u003e2.8 Amps at 24V DC\u003c\/span\u003e to the backplane. Its \"slim\" yet powerful design allows it to be mounted on the left side of any standard 1756 chassis (4, 7, 10, 13, or 17-slot), efficiently distributing power across the entire backplane. The module features integrated circuit protection and a front-panel status LED, allowing maintenance teams to instantly verify the health of the DC input and internal conversion logic.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"692\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cspan\u003eAttribute\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification Details\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-PB72\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Voltage Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18–32V DC (24V DC Nominal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Power (Max)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e95 Watts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutput Power (Max)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e75 Watts @ 60°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBackplane Current (5.1V)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13 Amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBackplane Current (24V)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.8 Amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInrush Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 Amps (Max)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 °C to +60 °C (32 °F to +140 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIsolation Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250V (Continuous), Reinforced Insulation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e140 x 112 x 145 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is the \"Hold-up Time\" for the 1756-PB72?\u003c\/span\u003eThe module is designed with a hold-up time of approximately \u003cspan\u003e35ms @ 24V DC\u003c\/span\u003e. This ensures that the ControlLogix processor can perform an orderly shutdown or \"ride through\" momentary power sags and micro-interruptions without causing a system fault or losing volatile data.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCan I use the 1756-PB72 in a redundant power configuration?\u003c\/span\u003eNo. The \u003cspan\u003e1756-PB72\u003c\/span\u003e is a standard power supply. For redundancy, you would require the \u003cspan\u003e1756-PB72R\u003c\/span\u003e (Redundant) power supply along with a \u003cspan\u003e1756-CPR2\u003c\/span\u003e cable and a \u003cspan\u003e1756-PSCA2\u003c\/span\u003e chassis adapter. The standard PB72 is intended for single-supply applications where high amperage is required but physical redundancy is not a project mandate.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHow do I calculate if the 1756-PB72 is sufficient for my chassis?\u003c\/span\u003eYou must sum the backplane current requirements (at 5.1V and 24V) for every module in your chassis. If the total exceeds 13A at 5.1V or 2.8A at 24V, the system may experience intermittent resets. Rockwell Automation’s \u003cspan\u003eIntegrated Architecture Builder (IAB)\u003c\/span\u003e is the recommended tool for performing these power budget calculations accurately.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWiring Requirements:\u003c\/span\u003e Use a minimum of \u003cspan\u003e14 AWG (2.5 mm²)\u003c\/span\u003e solid or stranded copper wire rated for at least 75°C for the DC input connections. Ensure the 24V DC source is properly fused or protected by a circuit breaker to prevent damage during a sustained overcurrent event.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChassis Attachment:\u003c\/span\u003e The power supply mounts to the left end of the 1756 chassis. Ensure the two chassis mounting screws are tightened to the specified torque (\u003cspan\u003e1.16 N•m\u003c\/span\u003e) to maintain a solid ground connection, which is vital for the module's internal EMI filtering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnvironmental Clearance:\u003c\/span\u003e Maintain a minimum of \u003cspan\u003e2 inches (50 mm)\u003c\/span\u003e of clearance above and below the power supply for airflow. Excessive heat is the primary cause of power supply failure; ensuring proper convection cooling will significantly extend the life of the internal electrolytic capacitors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan\u003e1756-PB72\u003c\/span\u003e offers a robust and space-efficient power solution for DC-powered control cabinets. Its high isolation rating (\u003cspan\u003e250V continuous\u003c\/span\u003e) ensures that field-side electrical noise and ground loops do not reach the sensitive backplane electronics. For B2B procurement, choosing the original \u003cspan\u003eAllen-Bradley 1756-PB72\u003c\/span\u003e ensures full compatibility with the 1756 chassis series and maintains the system's UL, CSA, and CE certifications, providing a reliable foundation for any ControlLogix-based automation project.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695191159147,"sku":"1756-PB72","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-pb72-controllogix-power-supply-s0s0q1qlgv1_71592750-ece1-4854-b42d-e49c0a12ed1d.jpg?v=1766114634"},{"product_id":"allen-bradley-1756-l55m13-controllogix-555-processor-module","title":"Allen Bradley 1756-L55M13 ControlLogix 555 Processor Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan\u003e1756-L55M13\u003c\/span\u003e is a Series A \u003cspan\u003eControlLogix 5555 Controller\u003c\/span\u003e engineered for high-performance discrete and process control within the Allen-Bradley 1756 chassis system. Featuring \u003cspan\u003e1.5 MB of logic and data memory\u003c\/span\u003e and an additional \u003cspan\u003e208 KB of dedicated I\/O memory\u003c\/span\u003e, this processor is designed to manage complex automation architectures with up to \u003cspan\u003e128,000 digital I\/O points\u003c\/span\u003e. With a rapid program scan time of \u003cspan\u003e0.08 milliseconds\u003c\/span\u003e, the 1756-L55M13 provides the processing power necessary for high-speed motion control and synchronized multi-axis applications.\u003c\/p\u003e\n\u003ch3\u003eFunctional Intelligence \u0026amp; Networking\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan\u003e1756-L55M13\u003c\/span\u003e acts as a versatile communication hub, supporting a wide array of network protocols including \u003cspan\u003eEtherNet\/IP, ControlNet, and DeviceNet\u003c\/span\u003e. It also facilitates legacy integration through Data Highway Plus (DH+) and Universal Remote I\/O. For high-speed controller-to-controller synchronization, it utilizes \u003cspan\u003eSynchLink\u003c\/span\u003e, ensuring precise data alignment across distributed systems. While this model does not feature integrated nonvolatile memory, it is fully compatible with \u003cspan\u003eredundant controller systems\u003c\/span\u003e, provided both processors reside within the same ControlNet network to maintain seamless failover state-tracking.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"692\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cspan\u003eAttribute\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification Details\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-L55M13\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlLogix 5555\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUser Memory (RAM)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 MB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eI\/O Memory\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e208 KB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Digital I\/O\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128,000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Analog I\/O\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4,000 Input \/ 2,000 Output\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eScan Time\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.08 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBackplane Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.23 A @ 5.1V DC \/ 14 mA @ 24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Dissipation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.6 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 °C to +60 °C (32 °F to +140 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBattery Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-BA1 or 1756-BATM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan class=\"mat-mdc-button-persistent-ripple mdc-button__ripple\"\u003e\u003c\/span\u003e\u003cspan class=\"mdc-button__label\"\u003e\u003cspan class=\"export-sheets-button\"\u003e\u003cspan class=\"export-sheets-icon\"\u003e\u003c\/span\u003e\u003cspan\u003e导出到 Google 表格\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"mat-focus-indicator\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-touch-target\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-persistent-ripple mdc-icon-button__ripple\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-focus-indicator\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-touch-target\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHow should the memory be managed in the 1756-L55M13?\u003c\/span\u003eThe controller utilizes a split memory architecture: 1.5 MB for data and logic and a separate 208 KB for I\/O. Because the \u003cspan\u003e1756-L55M13\u003c\/span\u003e lacks internal nonvolatile memory (like an onboard Flash), it is critical to ensure the \u003cspan\u003e1756-BA1\u003c\/span\u003e lithium battery is healthy to prevent program loss during power cycles.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat cables are required for programming and configuration?\u003c\/span\u003eFor local serial communication and programming, the module is compatible with either the \u003cspan\u003e1756-CP3\u003c\/span\u003e or \u003cspan\u003e1747-CP3\u003c\/span\u003e cables. These connect directly to the front-facing RS-232 port, allowing for firmware updates and ladder logic modifications via Studio 5000 or RSLogix 5000 software.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat is the significance of the 707V DC isolation test?\u003c\/span\u003eThe module has been tested to withstand \u003cspan\u003e707V DC for 60 seconds\u003c\/span\u003e, ensuring high dielectric strength between the communication ports and the backplane. This protects the CPU from potential ground loops or electrical surges originating from field-side communications, which is vital for maintaining system uptime in heavy industrial environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChassis Placement:\u003c\/span\u003e The \u003cspan\u003e1756-L55M13\u003c\/span\u003e can be placed in any slot of a ControlLogix chassis, though Slot 0 is common for primary controllers. Ensure the chassis power supply (e.g., 1756-PA72) can support the \u003cspan\u003e1.23 A\u003c\/span\u003e current draw at 5V DC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRedundancy Setup:\u003c\/span\u003e When configuring for redundancy, both 1756-L55M13 modules must have identical firmware revisions and be linked via 1756-RM redundancy modules. The \"Located in the same ControlNet network\" rule is essential for the Nut (Network Update Time) synchronization required for bumpless transfer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnvironmental Shielding:\u003c\/span\u003e As an open-style controller, the \u003cspan\u003e1756-L55M13\u003c\/span\u003e must be housed in an enclosure that provides protection against conductive contaminants. It is rated for \u003cspan\u003e2 g of vibration\u003c\/span\u003e at 10-500 Hz, making it suitable for mounting on machinery frames when protected from direct moisture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan\u003e1756-L55M13\u003c\/span\u003e provides a proven, scalable foundation for mid-to-large scale automation. Its ability to handle massive I\/O counts while maintaining sub-millisecond scan times makes it a preferred choice for complex assembly lines and material handling systems. For B2B procurement, sourcing an original \u003cspan\u003eAllen-Bradley 1756-L55M13\u003c\/span\u003e ensures full compliance with UL, CSA, and CE safety standards, providing the reliability and long-term support necessary for critical infrastructure and high-value manufacturing processes.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695191355755,"sku":"1756-L55M13","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-l55m13-controller-processor-0ex54jujryc_17e2f8ec-36d8-4c81-9385-f1945a396b7e.jpg?v=1766114641"},{"product_id":"1756-l950tpsxt-allen-bradley-controllogix-5590-process-xt-controller","title":"1756-L950TPSXT Allen-Bradley ControlLogix 5590 Process XT Controller","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview and Extreme Environment Processing\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L950TPSXT (1756L950TPSXT)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a flagship, high-performance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix 5590\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtroller specifically engineered for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProcess XT (Extended Temperature)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenvironment. This \"Extreme\" version of the L9 series is designed to thrive in harsh conditions where standard controllers fail, offering a temperature range from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-25 to +70 °C\u003c\/strong\u003e. Featuring a massive\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50 MB of user memory\u003c\/strong\u003e, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L950TPSXT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the definitive choice for large-scale process automation, such as offshore oil platforms, remote pipeline monitoring, and heavy chemical refineries. It integrates advanced security features and high-speed embedded Ethernet (1 Gbps) to manage the most data-intensive process control tasks with mission-critical reliability.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware Architecture and Process Intelligence\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L950TPSXT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis built on the latest Logix engine, providing significant performance leaps over previous generations in both execution speed and communication throughput.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConformal Coating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes factory-applied conformal coating as standard to protect internal circuitry against moisture, dust, and corrosive chemical atmospheres (Class G3 environment protection).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGigabit Ethernet Port:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a front-facing\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 Gbps EtherNet\/IP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eport, supporting high-speed device integration, DLR (Device Level Ring) topologies, and high-capacity data producer\/consumer models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMassive 50 MB Memory:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides the largest memory capacity in its class, allowing for extensive historical data buffering, complex process sequencing, and the storage of large Asset Management (DTM) profiles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnergy Storage Module (ESM):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEliminates the need for lithium batteries. The controller uses an internal capacitor-based ESM to safely write volatile RAM to non-volatile flash memory during a power loss event.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1756-L950TPSXT\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e50 MB\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTemperature Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e-25 to +70 Celsius\u003c\/strong\u003e (Extreme Temperature)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Gbps Embedded Ethernet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax EtherNet\/IP Nodes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 300\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMemory Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEnergy Storage Module (No Battery Required)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSecurity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital Signatures, Encrypted Firmware, Role-Based Access\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConformal Coating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes (Standard)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1.2 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the specific benefit of the \"Process\" (P) designation in this model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"Process\" designation signifies that the controller is optimized for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePlantPAx\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edistributed control system. It includes instructions and internal logic specifically tuned for process industries, such as advanced PID control, alarm management, and simplified integration with process fieldbus devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the \"XT\" version differ from the standard L95?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eXT (Extended Temperature)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eversion uses specialized components and a robust mechanical design to expand the operating window. While a standard L95 is rated for 0–60 °C, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eL950TPSXT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehandles -25–70 °C, making it suitable for unconditioned cabinets in extreme climates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the USB port for continuous communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUSB 2.0 port\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis intended for temporary use, such as local programming, configuration, and firmware updates. For continuous high-speed data exchange with HMIs or other PLCs, the 1 Gbps Ethernet port should always be used.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Protocols\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEven though the module is rated for 70 °C, it is critical to ensure proper spacing in the 1756 chassis. Maintain at least\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50 mm (2 in.)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof clearance around the chassis to allow for natural convection, especially if using a high-density XT power supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFirmware Lifecycle:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGiven the security-hardened nature of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eL9\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries, ensure the controller is flashed with the latest \"Signed\" firmware revision. This prevents the execution of unauthorized code and protects the system from firmware-level cyber threats.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosive Environment Care:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile conformally coated, the external pins of the backplane and the Ethernet jack are still metallic. In highly corrosive environments, the use of a sealed, pressurized enclosure (NEMA 4X) is recommended to prevent connector oxidation over long periods.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L950TPSXT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erepresents the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epinnacle of process reliability\u003c\/strong\u003e. By combining \"Extreme\" hardware durability with \"Process\" optimized software instructions, it reduces the complexity of designing large-scale control systems for hazardous or remote locations. Its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 Gbps communication\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecapability ensures that even as the \"Industrial Internet of Things\" (IIoT) adds more sensors and data points to the network, the controller will not become a bottleneck. This is the ideal controller for users migrating from legacy DCS systems to a modern, high-performance Logix environment that must operate in the most unforgiving conditions on Earth.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695191519595,"sku":"1756-L950TPSXT","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-l950tpsxt-controllogix-5590-process-xt-controller-vwfjagmrovi_a3ca4c56-cc01-4403-95f5-416b01ab6fbb.jpg?v=1766114647"},{"product_id":"1756-of8-allen-bradley-controllogix-8-channel-analog-output-module","title":"1756-OF8 Allen-Bradley ControlLogix 8-Channel Analog Output Module","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Overview and Precision Control\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF8 (1756OF8)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density, versatile\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAnalog Output Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebelonging to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efamily. It provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 non-isolated channels\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecapable of delivering high-precision voltage or current signals to field devices. Designed for demanding applications such as variable frequency drive (VFD) speed control, valve positioning, and actuator modulation, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoffers sub-millisecond updates and high-resolution digital-to-analog conversion. This module is a cornerstone for closed-loop process control, allowing for seamless integration of analog field equipment into the Logix Integrated Architecture.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware Architecture and Signal Flexibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoccupies a single slot in any 1756 ControlLogix chassis and interfaces with the processor via the high-speed backplane.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSelectable Output Modes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach of the 8 channels can be individually configured for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVoltage (+\/- 10V)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCurrent (0 to 20 mA or 4 to 20 mA)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Resolution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e15-bit resolution\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacross all ranges (approx. 320 uV per count for voltage and 0.65 uA per count for current), providing the granularity needed for sensitive flow or pressure control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFast Update Rates:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOffers a RPI (Requested Packet Interval) as low as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2 ms\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor all 8 channels, ensuring that control commands are executed with minimal latency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes hardware features for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOpen Wire Detection\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(in current mode) and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eShort Circuit Protection\u003c\/strong\u003e, providing real-time feedback to the controller regarding field-side health.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1756-OF8\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Non-isolated\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e+\/- 10 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 20 mA \/ 4 to 20 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15-bit (plus sign)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (5V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (24V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Settling Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 2 ms (Typical)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1.0 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-OF8 provide channel-to-channel isolation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enon-isolated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule, meaning all 8 channels share a common return. If your application requires independent grounding for each signal (to prevent ground loops between different drives), you should utilize the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF8I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Isolated) module instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens to the outputs if the PLC enters a Fault state or is switched to Program mode?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module features configurable\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\"Program Mode\" and \"Fault Mode\" behaviors\u003c\/strong\u003e. Within the Studio 5000 software, you can choose to have each output hold its last value, switch to a specific safe state (e.g., 4 mA), or go to the minimum\/maximum of its range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I calibrate the 1756-OF8 in the field?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efield calibration\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethrough the software. Using a high-precision voltmeter or ammeter, you can adjust the offset and gain parameters for each channel to account for environmental factors or long cable runs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Protocols\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Arm Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module requires a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBNH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(20-pin) or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBSH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Spring clamp) Removable Terminal Block (RTB). Always ensure the RTB is fully seated and the locking tab is engaged before applying field power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Loop Resistance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen operating in current mode (4-20 mA), ensure the total loop impedance (wire resistance plus the load) does not exceed\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e550 Ohms\u003c\/strong\u003e. Exceeding this limit will prevent the module from reaching the full 20 mA output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShielding Strategy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor high-resolution analog control, use\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eshielded twisted-pair (STP)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecables. Terminate the shield at the ground bar of the ControlLogix chassis. Avoid grounding the shield at the field device end to prevent ground loops that introduce signal noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eexcels in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControl System Density\u003c\/strong\u003e. By providing 8 channels in a single slot, it reduces the total chassis footprint and hardware costs for systems with high analog counts. Its ability to perform\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDigital-to-Analog conversion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elocally on the module allows the main processor to focus on high-level logic, while the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-OF8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehandles the precise electrical ramp-up and ramp-down of signals. This makes it an ideal choice for the chemical, food and beverage, and power generation industries, where reliability and precise modulation of process variables are non-negotiable.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695191650667,"sku":"Allen Bradley 1756-OF8","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-of8-controllogix-8-pt-a-o-i-or-v-module-etawkyw3sxm_f87e85f3-4474-41e8-a6dd-ecaa3415a39a.jpg?v=1766114654"},{"product_id":"1756-l55m14-allen-bradley-controllogix-5555-processor-1-5-mb","title":"1756-L55M14 Allen-Bradley ControlLogix 5555 Processor (1.5 MB)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview and Industrial Computing Heritage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L55M14 (1756L55M14)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a robust, high-performance central processing unit within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix 5555\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efamily. It was engineered to manage complex control tasks in the era of early Integrated Architecture, providing a bridge between legacy automation and modern Ethernet-based systems. Featuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.5 MB of user memory\u003c\/strong\u003e, this controller is ideal for medium-to-large scale applications that require extensive data tracking, complex floating-point math, and coordinated motion. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L55M14\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes a modular memory design (M14), allowing for reliable program execution in industries ranging from automotive assembly to high-volume pharmaceutical packaging.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware Architecture and Memory Dynamics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L55M14\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a chassis-based processor that occupies one slot in a 1756 ControlLogix rack. Its architecture is designed for deterministic logic execution and high-speed backplane communication.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUser Memory (1.5 MB):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"M14\" suffix designates the specific non-volatile memory module installed. This capacity allows for substantial program logic and tag storage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNon-Volatile Storage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompatible with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-M1, -M2, and -M3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eexpansion memory modules. For permanent backup, it supports the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-BA1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-BA2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elithium batteries to retain the volatile RAM contents during power-down.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMultitasking Operating System:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports multiple tasks with different priorities, including continuous, periodic, and event-based tasks, ensuring critical control loops are never delayed by background communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSerial Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes a built-in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS-232 (DF1\/DH-485)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eport, enabling direct connection for local programming, HMI interfacing, or modem communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1756-L55M14\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1.5 MB\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e208 KB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDigital I\/O (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128,000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAnalog I\/O (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4,000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal I\/O (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128,000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (5V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.25 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (24V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e14 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1.1 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 1756-L55 and the newer 1756-L6x processors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L55\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries utilizes a physically separate memory module (like the M14) that is plugged into the processor board, whereas the 1756-L6x (5560) series has integrated onboard memory. The L55 also relies on a battery for RAM retention, while newer models use energy storage modules (ESMs) and internal flash.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I clear a \"Solid Red OK\" LED on this processor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA solid red OK light typically indicates a non-recoverable hardware fault. However, you can attempt to cycle power and perform a factory reset by removing the battery and shorting the battery terminals on the processor (with power off) to clear the memory. If the red light persists after a firmware re-flash, the unit may require hardware repair.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 1756-L55M14 compatible with the latest version of Studio 5000?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L55\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries is supported up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRSLogix 5000 version 16\u003c\/strong\u003e. It is not compatible with version 17 or higher (including Studio 5000). For modern software compatibility, a migration to the 1756-L7x or L8x series is required.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Protocols\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-BA1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebattery should be replaced annually. If the \"BATT\" LED illuminates, you have approximately two weeks to replace the battery before the program in the volatile RAM is lost during a power cycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFirmware Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure the firmware revision (e.g., v15 or v16) matches the version of RSLogix 5000 used for the project. Mismatched firmware will prevent the processor from entering \"Run\" mode.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectrostatic Discharge (ESD):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen handling the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L55M14\u003c\/strong\u003e, particularly when installing or removing the M14 memory module, always use an ESD wrist strap. The internal CMOS circuits are highly sensitive to static and can be permanently damaged by invisible discharges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L55M14\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eremains a critical component for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elegacy system maintenance\u003c\/strong\u003e. Its modular memory approach allows for easy upgrades; an \"M12\" processor can be upgraded to an \"M14\" simply by swapping the memory card. By supporting the full suite of Logix5000 instructions—including Sequential Function Charts (SFC) and Structured Text—it provides sophisticated control capabilities that were far ahead of its time. For facilities looking to maintain existing ControlLogix installations without the risk of a full-scale control system overhaul, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L55M14\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides the perfect balance of memory capacity and proven industrial reliability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695191814507,"sku":"1756-L55M14","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-l55m14-controller-processor-avfcaaudanc_6a814f6e-64a7-4ac1-a23b-7306659412a5.jpg?v=1766114662"},{"product_id":"1756-m02ae-allen-bradley-controllogix-2-axis-analog-servo-module","title":"1756-M02AE Allen-Bradley ControlLogix 2-Axis Analog Servo Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview and Precision Motion Utility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-M02AE (1756M02AE)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2-Axis Analog Servo Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithin the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efamily, specifically designed for closed-loop motion control. Unlike SERCOS or EtherNet\/IP-based motion, this module interfaces with traditional analog servo drives using a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e+\/- 10 VDC velocity or torque reference\u003c\/strong\u003e. It is an essential component for high-speed applications requiring sub-millisecond coordination, such as precision flying cut-offs, high-speed labeling, and complex robotic trajectory execution. By integrating directly into the ControlLogix backplane, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-M02AE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eeliminates the latency found in standalone motion controllers, allowing the CPU to execute synchronized motion profiles with absolute determinism.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware Architecture and Feedback Logic\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-M02AE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides two independent channels of motion control, each capable of processing high-resolution encoder feedback to maintain precise positioning.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Axis Capability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports two axes of synchronized or independent motion per module slot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEncoder Interfacing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures high-speed differential inputs for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 VDC or 12 VDC to 24 VDC incremental encoders\u003c\/strong\u003e, supporting quadrature rates up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 MHz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog Output Stage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDelivers a high-resolution\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e14-bit +\/- 10 VDC analog output\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto drive external servo amplifiers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDedicated I\/O:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach axis includes specialized local I\/O, such as Home, Drive Fault, and Drive Enable inputs, as well as a high-speed Registration input for sub-microsecond event capturing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1756-M02AE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eServo Loop Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e250 microseconds\u003c\/strong\u003e (Minimum)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAnalog Output\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e+\/- 10 V (14-bit resolution)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEncoder Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIncremental (Differential or Single-ended)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.5 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 V (continuous), Basic Insulation Type\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e700 mA @ 5.1 VDC \/ 2.5 mA @ 24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1.0 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the primary symptoms of a failing 1756-M02AE?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCommon failure points include \"Encoder Fault\" errors (E-Fault) due to internal signal degradation, \"Drive Fault\" triggers when the analog output stage drifts beyond zero-offset, or a solid Red \"OK\" LED indicating an internal hardware watchdog failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace a Series A module with a Series B?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSeries B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the standard replacement for the older Series A. While the physical wiring remains compatible, you must ensure that your\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eStudio 5000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRSLogix 5000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eproject is updated to reflect the correct hardware revision to prevent firmware mismatch faults.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support Absolute Encoders?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-M02AE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis specifically designed for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eincremental encoders\u003c\/strong\u003e. If your application requires SSI or absolute feedback, you would typically utilize the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-M02AS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Analog Servo \/ Absolute) variant.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Protocols\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShielding and Noise Mitigation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAnalog motion signals are extremely sensitive to EMI. Use\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eShielded Twisted Pair (STP)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor both the +\/- 10 V reference and the encoder feedback. The shield must be terminated at the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBCH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewiring arm grounding bar to prevent signal \"hunting\" or jitter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRemoval and Insertion Under Power (RIUP):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-M02AE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports RIUP, you must ensure the external servo drive is disabled before removing the module. Removing the module while the drive is enabled can cause an uncontrolled motor runaway as the +\/- 10 V signal floats.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhase Alignment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVerify that the encoder \"A\" and \"B\" phases are correctly mapped. If the motor spins in the correct direction but the software reports a \"Position Error,\" the feedback phase may be inverted relative to the analog command.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-M02AE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a \"problem solver\" for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLegacy Drive Integration\u003c\/strong\u003e. Many high-precision hydraulic servos and specialized analog amplifiers do not support modern network protocols. This module provides a high-performance bridge, allowing these robust mechanical systems to be modernized with the latest ControlLogix processors. Its dedicated hardware for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePosition, Velocity, and Acceleration (PVA)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eloop processing ensures that the main PLC scan time never impacts the smoothness of the motion, providing a \"silky\" motion profile even during heavy CPU computation.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695192207723,"sku":"1756-M02AE","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-m02ae-motion-module-replacement-rzd2jkmuse1_463fff0a-5943-4c18-bbeb-f8cf7acfabe5.jpg?v=1766114676"},{"product_id":"1756-a13-allen-bradley-controllogix-13-slot-racks-chassis","title":"1756-A13 Allen-Bradley ControlLogix 13-Slot Racks\/Chassis","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview and Infrastructure Foundation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A13 (1756A13)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a rugged, industrial-grade chassis designed to provide the physical and electrical backbone for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystem. Featuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e13 slots\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor modular integration, this chassis houses the system's processors, I\/O modules, and communication bridges, facilitating high-speed data exchange via the integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix Backplane\u003c\/strong\u003e. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A13\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis engineered for large-scale automation environments—such as automotive assembly plants and complex process control facilities—where high-density I\/O and multiple communication paths are required in a single rack. Its modular design allows for flexible system configuration, ensuring that power and data are distributed reliably across all installed components.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware Architecture and Backplane Dynamics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A13\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoperates as a passive backplane, meaning the logic and intelligence reside in the modules, while the chassis provides the high-speed communication path (bus) and power distribution.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSlot Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e13 universal slots that can accommodate any mix of ControlLogix controllers, I\/O, or network modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Bus:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe backplane provides a deterministic data path, allowing for producer\/consumer data models that optimize network bandwidth.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned to mount standard 1756 power supplies (e.g.,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PA72, 1756-PB72\u003c\/strong\u003e) on the left side, which then distribute regulated voltage to all 13 slots.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Construction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt to withstand industrial vibrations and thermal expansion, ensuring constant electrical contact even in harsh operating conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1756-A13\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13 Slots\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBackpanel (Horizontal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 A @ 1.2 VDC; 4 A @ 3.3 VDC; 15 A @ 5.1 VDC; 2.8 A @ 24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDetermined by Power Supply\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (WxHxD)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e58.4 cm x 16.9 cm x 14.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCabinet Requirements\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13-slot chassis requires minimum 61 cm width\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e2.5 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install multiple processors in a single 1756-A13 chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. One of the core strengths of the ControlLogix architecture is multi-processing. You can install multiple CPUs in a single\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A13\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto handle different tasks (e.g., one for safety, one for motion, one for standard logic) while sharing the same I\/O and communication modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it necessary to use \"Slot Fillers\" for empty slots?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile not strictly required for electrical operation, using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-N2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eslot fillers is highly recommended. They protect the backplane connectors from dust and debris and help maintain proper airflow for cooling the active modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the chassis handle grounding?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A13\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures dedicated grounding studs. It is critical to bond the chassis to the sub-panel using a high-surface-area ground strap to prevent noise on the backplane, which can lead to intermittent communication faults.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Protocols\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Mounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A13\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emust be mounted horizontally. Mounting it vertically can obstruct the natural convection cooling of the modules, leading to localized hotspots and premature hardware failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply Torque:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen mounting the power supply to the left side of the chassis, ensure the mounting screws are tightened to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.13 Nm (10 lb-in)\u003c\/strong\u003e. A loose power supply can cause arcing across the backplane power pins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Alignment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen inserting modules into the 13 slots, use the top and bottom guides. Never force a module; if it does not slide in smoothly, check for bent pins on the backplane or the module connector.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A13\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoffers\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eunmatched scalability\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor centralized control. By providing 13 slots, it allows for a highly consolidated control architecture, reducing the need for multiple remote I\/O drops and simplifying the network topology. The backplane’s ability to support \"Removal and Insertion Under Power\" (RIUP) means that if an I\/O module fails in slot 4, it can be replaced while the processor in slot 0 continues to run the rest of the machine, significantly reducing total downtime.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695192568171,"sku":"1756-A13","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-a13-controllogix-13-slots-chassis-fswmapl545s_ce7052ac-e753-4019-a08d-5296a3f5e4eb.jpg?v=1766114686"},{"product_id":"1756-l65-series-b-allen-bradley-controllogix-5565-processor","title":"1756-L65 Series B Allen-Bradley ControlLogix 5565 Processor","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview and Processing Power\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L65 (1756L65)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance central processing unit within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix 5565\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efamily, engineered for complex, data-intensive automation tasks. As a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSeries B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule, it represents a refined hardware revision with improved thermal stability and memory management. Featuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e32 MB of user memory\u003c\/strong\u003e, this controller is specifically designed for large-scale applications such as coordinated multi-axis motion, extensive batch processing, and high-point-count distributed I\/O systems. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L65\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoperates within the Logix integrated architecture, allowing it to share data seamlessly across the backplane with communication modules and specialized function cards, providing a deterministic control solution for the most demanding industrial environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware Architecture and Execution Logic\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L65 Series B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes a multi-tasking operating system that allows engineers to prioritize critical control loops over background communications.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Capacity Memory:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e32 MB of SRAM\u003c\/strong\u003e, providing ample space for large program rungs, extensive tag databases, and complex function block instructions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Execution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDelivers exceptional processing speeds with a typical scan time of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.013 ms\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor basic boolean instructions, ensuring high responsiveness for high-speed machinery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnergy Storage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilizes the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-BA2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elithium battery (or the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-SPM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries capacitor modules) to maintain the volatile user memory during power outages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSerial Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures an integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS-232 (DF1\/DH-485)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eport for local programming, HMI connectivity, or legacy serial device integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1756-L65 (Series B)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e32 MB\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e478 KB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOptional Non-volatile Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1756-CFM\u003c\/strong\u003e (64 MB CompactFlash)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDigital I\/O (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128,000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAnalog I\/O (Max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4,000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.2 A @ 5.1 VDC \/ 14 mA @ 24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.5 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1.0 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of \"Series B\" compared to the original Series A?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSeries B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehardware features an updated internal circuit design that improves the module's resilience to electromagnetic noise and optimizes the internal power distribution. It also supports higher-capacity CompactFlash cards for non-volatile storage compared to early Series A revisions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the user memory protected against power loss?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L65\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003euses volatile memory for fast execution. To protect your program, ensure the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-BA2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebattery is functional (monitor the \"BATT\" LED). For permanent protection, it is highly recommended to install a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-CFM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompactFlash card and configure the controller to \"Load on Power Up.\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this controller support Motion Control?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L65\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis fully capable of managing\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eintegrated motion\u003c\/strong\u003e. It can support up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100 axes\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof motion depending on the complexity of the profiles and the communication interface used (e.g., 1756-EN2T or 1756-M03SE).\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Protocols\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Grounding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure the ControlLogix chassis is grounded to the sub-panel using a short, heavy-gauge copper braid. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L65\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erelies on the backplane for its functional earth connection; high-impedance grounding can lead to intermittent \"Major Fault\" (Type 01, Code 01) errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFirmware Synchronization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L65\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequires a firmware flash to match the major revision of your\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eStudio 5000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRSLogix 5000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esoftware. Always verify the \"Revision\" level before commissioning to avoid \"Incompatible Firmware\" errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Replacement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways replace the battery while the chassis is powered. If you replace the battery with the power off, the program in the volatile RAM will be lost unless a non-volatile CompactFlash card is present.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L65\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eremains a powerhouse for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elegacy system optimization\u003c\/strong\u003e. Its massive 32 MB memory allows for the consolidation of multiple smaller PLCs into a single, centralized ControlLogix rack, simplifying the control architecture and reducing network latency. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSeries B\u003c\/strong\u003e's robust instruction set supports complex floating-point math and PID loops with zero performance degradation, making it ideal for the precision requirements of the oil and gas, chemical, and aerospace industries.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695192600939,"sku":"1756-L65","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-l65-controllogix-controller-ylo5xqaz1ps_d901c617-1be1-4753-9aeb-2faa7f908b72.jpg?v=1766114687"},{"product_id":"1756-en2t-allen-bradley-controllogix-ethernet-ip-bridge-module","title":"1756-EN2T Allen-Bradley ControlLogix EtherNet\/IP Bridge Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview and Network Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2T (1756EN2T)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance communication interface designed for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eplatform, providing robust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEtherNet\/IP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econnectivity for high-speed I\/O control and messaging. As a core component of the Allen-Bradley Integrated Architecture, this module supports high-speed\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10\/100 Mbps Fast Ethernet (FE)\u003c\/strong\u003e, enabling seamless data exchange between controllers, I\/O modules, and HMI\/SCADA systems. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis engineered to handle significantly higher data throughput and connection counts compared to legacy ENBT modules, making it the industry standard for reducing network bottlenecks in complex automation cells, automotive production lines, and water treatment facilities.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eArchitecture and Communication Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as a bridge between the ControlLogix backplane and the Ethernet network, utilizing the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCommon Industrial Protocol (CIP)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ensure data consistency across the enterprise.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Connection Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e128 Logix connections\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e256 CIP connections\u003c\/strong\u003e, allowing for massive scalability in decentralized I\/O architectures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePacket Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCapable of processing up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10,000 I\/O packets per second\u003c\/strong\u003e, ensuring that time-critical motion and safety data are delivered with minimal jitter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Topologies:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports standard Star and Tree topologies. When utilized in conjunction with Stratix switches, it facilitates high-availability network configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBridge Functionality:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllows for \"Control-to-Control\" interlocking and \"Control-to-I\/O\" communication without consuming processor overhead for network management.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1756-EN2T\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10\/100 Mbps (Auto-sensing)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEtherNet\/IP Connections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128 Logix \/ 256 CIP Connections\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTCP\/IP Connections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.0 A @ 5.1 VDC; 3 mA @ 24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.1 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 V (continuous), Basic Insulation Type\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Slot Width\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 (Single Slot)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1.0 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 1756-EN2T handle duplicate IP address detection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module features integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDuplicate IP Address Detection (ACD)\u003c\/strong\u003e. Upon power-up or reconnection, the module checks the network; if a conflict is detected, the module will not transition to an operational state, and the status display will indicate the error to prevent network disruption.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module be used for SIL 2 or SIL 3 Safety applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis rated for use in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCIP Safety\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapplications. It provides the necessary communication pipe for GuardLogix controllers to manage safety I\/O, provided the overall system design adheres to Rockwell Automation safety guidelines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of the USB port on the front panel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUSB 1.1 port\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis intended for temporary local programming and configuration. It allows engineers to bridge to the backplane to configure the module’s IP address or upload firmware without needing an active Ethernet connection.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Protocols\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFirmware Synchronization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways ensure the module firmware is compatible with the version of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eStudio 5000 (Logix Designer)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebeing used. Incompatible revisions can lead to \"I\/O Configuration Error\" messages in the controller organizer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCabling Standards:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor industrial environments with high EMI, use\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCategory 5e (or higher) Shielded Twisted Pair (STP)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecabling. Ensure the RJ45 connectors are fully seated until an audible click is heard to maintain link stability under vibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Spacing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the module is rated for 60 Celsius, avoid placing high-heat modules (such as high-density AC output modules) immediately adjacent to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto prevent localized overheating of the communication chipset.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOperational Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis recognized for its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edeterministic performance\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein high-demand environments. Its ability to support\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUnicast I\/O\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ereduces unnecessary network traffic compared to older multicast methods, effectively freeing up bandwidth for other enterprise-level data. With its clear alphanumeric scrolling display, maintenance teams can instantly identify the module's IP address and diagnostic status without specialized tools, dramatically shortening the Mean Time to Repair (MTTR).\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695193289067,"sku":"1756-EN2T","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-en2t-controllogix-ethernet-ip-bridge-module-10-100-fe-icepb1xohfn_c2b6d8c3-8985-4fab-af45-af81d89434b5.jpg?v=1766114714"}],"url":"https:\/\/www.plcprotech.com\/collections\/allen-bradley-controllogix.oembed?page=3","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}