{"product_id":"allen-bradley-1756-l55m12-controllogix-5555-controller","title":"Allen-Bradley 1756-L55M12 ControlLogix 5555 Controller","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-L55M12\u003c\/strong\u003e is a ControlLogix 5555 processor module designed for high-performance industrial control applications. The \u003cstrong\u003e1756-L55M12\u003c\/strong\u003e controller provides 750 Kbytes of user memory for data and logic programs, along with 208 Kbytes of dedicated I\/O memory, operating without nonvolatile memory storage. The unit has an open-style enclosure rating and supports various communication networks across the ControlLogix platform, including ControlNet, EtherNet\/IP, DH+, DeviceNet, and Universal Remote I\/O networks. Multiple \u003cstrong\u003e1756-L55\u003c\/strong\u003e controllers can be integrated into a redundant controller system configured within a ControlNet network.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e750 Kbytes user memory for data and logic\u003c\/li\u003e\n\u003cli\u003e208 Kbytes dedicated I\/O memory\u003c\/li\u003e\n\u003cli\u003eFast program scan time of 0.08 milliseconds\u003c\/li\u003e\n\u003cli\u003eSupports up to 128,000 total I\/O points\u003c\/li\u003e\n\u003cli\u003eSupports up to 4,000 analog inputs and 2,000 analog outputs\u003c\/li\u003e\n\u003cli\u003eMulti-protocol communication support across EtherNet\/IP, ControlNet, DeviceNet, DH+, and Universal Remote I\/O\u003c\/li\u003e\n\u003cli\u003eRedundancy capability over ControlNet networks\u003c\/li\u003e\n\u003cli\u003eCompatible with serial cables 1756-CP3 or 1747-CP3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial PLC and DCS control systems\u003c\/li\u003e\n\u003cli\u003eHigh-speed discrete logic processing\u003c\/li\u003e\n\u003cli\u003eMulti-axis and complex analog process control\u003c\/li\u003e\n\u003cli\u003eRedundancy systems via ControlNet networks\u003c\/li\u003e\n\u003cli\u003eDistributed plant automation systems\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLCs \/ Processor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-L55M12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUser Memory (Data and Logic)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e750 Kbytes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e208 Kbytes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum I\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e128,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Analog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Analog Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgram Scan Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.08 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current (5.1V DC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.23 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current (24V DC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.014 A (14 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\u003e5.6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19.1 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Isolation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30V (Basic Insulation Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDielectric Withstand Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e707V DC for 60 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConducted RF Immunity\u003c\/strong\u003e\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\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-BA1 or 1756-BATM (1756-BA1 weight: 0.59 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Cable Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1756-CP3 or 1747-CP3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Wiring Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 (on communication ports)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpen 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 to 60 degC (32 to 140 F)\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 to 85 degC\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\u003eOperating Shock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNon-Operating Shock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 g at 10 to 500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.81 lbs (0.37 kg \/ 12.5 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10612598286628\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\u003eEnsure power to the ControlLogix chassis is disconnected prior to installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eMount the unit into any available slot of a 1756 ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate panel ventilation to keep ambient temperatures within 0 to 60 degC during operation.\u003c\/li\u003e\n\u003cli\u003eUse 1756-CP3 or 1747-CP3 serial cables for direct serial interface connectivity.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ground connection on the chassis backplane to mitigate EMI\/RFI interference.\u003c\/li\u003e\n\u003cli\u003eInstall a fresh 1756-BA1 or 1756-BATM lithium battery to retain volatile memory when the module is powered down.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695183786347,"sku":"1756-L55M12","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-l55m12-controller-processor-n0g22nbtetb_6db2e675-ff4c-4d18-a64a-9b0d115b3a3e.jpg?v=1766114390","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1756-l55m12-controllogix-5555-controller","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}