{"product_id":"allen-bradley-1756-l55m16-controllogix-controller","title":"Allen-Bradley 1756-L55M16 ControlLogix Controller","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-L55M16\u003c\/strong\u003e is a ControlLogix5555 programmable automation controller designed for chassis-based industrial control applications. This unit features an integrated \u003cstrong\u003e1756-M16\u003c\/strong\u003e memory board providing 1.5 MB of data and logic memory capacity. Positioned in any slot of a ControlLogix chassis, the \u003cstrong\u003e1756-L55M16\u003c\/strong\u003e manages sequential, process, motion, and drive control tasks while providing built-in serial RS-232 communication capability for workstation interface and system diagnostics.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEquipped with a 1756-M16 memory board providing 1.5 MB of memory.\u003c\/li\u003e\n\u003cli\u003eIntegrates a front-panel RS-232 serial communication port.\u003c\/li\u003e\n\u003cli\u003eSupports insertion and removal under power (RIUP) within the chassis backplane.\u003c\/li\u003e\n\u003cli\u003eFeatures front status indicators including RUN, I\/O, FORCE, RS232, BAT, and OK.\u003c\/li\u003e\n\u003cli\u003eIncludes a 3-position front keyswitch for selecting RUN, REM, and PROG modes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial automation control systems\u003c\/li\u003e\n\u003cli\u003eSequential and process control execution\u003c\/li\u003e\n\u003cli\u003eChassis-based ControlLogix system architecture\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\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\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-L55M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Family\u003c\/td\u003e\n\u003ctd\u003eControlLogix5555\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Memory Board\u003c\/td\u003e\n\u003ctd\u003e1756-M16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData and Logic Memory\u003c\/td\u003e\n\u003ctd\u003e1.5 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNonvolatile Memory\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current @ 5.1V DC\u003c\/td\u003e\n\u003ctd\u003e1.23 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current @ 24V DC\u003c\/td\u003e\n\u003ctd\u003e0.014 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e5.6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e19.1 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC (32 to 140 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC (-40 to 185 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% noncondensing\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\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e30 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNonoperating Shock\u003c\/td\u003e\n\u003ctd\u003e50 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESD Immunity\u003c\/td\u003e\n\u003ctd\u003e6 kV contact discharges, 8 kV air discharges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadiated RF Immunity\u003c\/td\u003e\n\u003ctd\u003e10V\/m (80 to 2000 MHz), 1V\/m (2.0 to 2.7 GHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEFT\/B Immunity\u003c\/td\u003e\n\u003ctd\u003e±4 kV at 5 kHz on communications ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Transient Immunity\u003c\/td\u003e\n\u003ctd\u003e±2 kV line earth (CM) on communications ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConducted RF Immunity\u003c\/td\u003e\n\u003ctd\u003e10V rms with 1 kHz sine-wave 80% AM (150 kHz to 80 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e30V continuous, Basic Insulation Type, RS232 to system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement Battery\u003c\/td\u003e\n\u003ctd\u003e1756-BA1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type Rating\u003c\/td\u003e\n\u003ctd\u003eNone (open style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNorth American Temp Code\u003c\/td\u003e\n\u003ctd\u003eT4A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIEC Temp Code\u003c\/td\u003e\n\u003ctd\u003eT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.35 kg (12.5 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector Pin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 1\u003c\/td\u003e\n\u003ctd\u003eDCD (Data Carrier Detect)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 2\u003c\/td\u003e\n\u003ctd\u003eRXD (Receive Data)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 3\u003c\/td\u003e\n\u003ctd\u003eTXD (Transmit Data)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 4\u003c\/td\u003e\n\u003ctd\u003eDTR (Data Terminal Ready)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 5\u003c\/td\u003e\n\u003ctd\u003eGND (Ground)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 6\u003c\/td\u003e\n\u003ctd\u003eDSR (Data Set Ready)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 7\u003c\/td\u003e\n\u003ctd\u003eRTS (Request to Send)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 8\u003c\/td\u003e\n\u003ctd\u003eCTS (Clear to Send)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 9\u003c\/td\u003e\n\u003ctd\u003eN\/C (Not Connected)\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 Mounting:\u003c\/strong\u003e Align the module circuit board with top and bottom chassis guides and slide into any slot until latches engage flush.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatic Safeguards:\u003c\/strong\u003e Wear a grounded wriststrap and avoid touching circuit components or connector pins during handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Maintenance:\u003c\/strong\u003e Connect only a 1756-BA1 battery or 1756-BATM battery module to maintain memory power when chassis power is removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial Cabling:\u003c\/strong\u003e Limit custom RS-232 cable lengths to 15.2 m (50 ft) and connect the cable shield at both connector ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower\/Hazard Precautions:\u003c\/strong\u003e Ensure power is removed or the location is nonhazardous prior to inserting\/removing the controller or connecting serial cabling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL Listed Industrial Control Equipment (File E65584)\u003c\/li\u003e\n\u003cli\u003eCSA Certified Process Control Equipment (File LR54689C)\u003c\/li\u003e\n\u003cli\u003eCSA Certified Process Control Equipment for Class I, Division 2 Group A,B,C,D Hazardous Locations (File LR69960C)\u003c\/li\u003e\n\u003cli\u003eCE Compliance (EMC Directive 2004\/108\/IEC: EN 61326-1, EN 61000-6-2, EN 61000-6-4, EN 61131-2)\u003c\/li\u003e\n\u003cli\u003eC-Tick Compliant (AS\/NZS CISPR 11)\u003c\/li\u003e\n\u003cli\u003eEEx ATEX Directive 94\/9\/EC Compliant (EN 60079-15, Zone 2)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695181263211,"sku":"1756-L55M16","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-l55m16-controllogix-controller-2nuhstckqsj_93e7295f-067d-4dcb-a390-c208afb347a3.jpg?v=1766114296","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1756-l55m16-controllogix-controller","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}