{"product_id":"allen-bradley-1756-l55m22-controllogix-programmable-automation-controller","title":"Allen-Bradley 1756-L55M22 ControlLogix Programmable Automation Controller","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-L55M22\u003c\/strong\u003e is a ControlLogix5555 programmable automation controller designed for high-performance industrial control and processing application tasks within a ControlLogix system chassis. The controller manages system execution, data logic, and communication functions across connected devices, utilizing nonvolatile memory capabilities alongside dedicated data and logic memory. Communication interfaces include an integrated RS-232 serial port for workstation connectivity and diagnostic interactions. Designed as part of the ControlLogix family, the \u003cstrong\u003e1756-L55M22\u003c\/strong\u003e operates inside open-style chassis enclosures for process control, discrete control, and automated machinery installations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides 750 KB of data and logic memory along with 208 KB of I\/O memory.\u003c\/li\u003e\n\u003cli\u003eSupports nonvolatile memory functionality for program and data protection.\u003c\/li\u003e\n\u003cli\u003eFeatures an integrated RS-232 serial communication port for serial connection and programming.\u003c\/li\u003e\n\u003cli\u003eMounts into any available slot of a ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003eEquipped with front-panel LED status indicators including RUN, I\/O, FORCE, RS232, BAT, and OK.\u003c\/li\u003e\n\u003cli\u003eFeatures a three-position mode selection keyswitch (RUN, REM, PROG).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial process control systems\u003c\/li\u003e\n\u003cli\u003eAutomated manufacturing machinery\u003c\/li\u003e\n\u003cli\u003eDistributed I\/O control architectures\u003c\/li\u003e\n\u003cli\u003eMachine automation and monitoring\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\u003eAttribute\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-L55M22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData and Logic Memory\u003c\/td\u003e\n\u003ctd\u003e750 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Memory\u003c\/td\u003e\n\u003ctd\u003e208 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNonvolatile Memory\u003c\/td\u003e\n\u003ctd\u003eYes\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\u003eWeight, approx.\u003c\/td\u003e\n\u003ctd\u003e0.35 kg (12.5 oz)\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\u003eOperating Vibration\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\u003eEnclosure Type Rating\u003c\/td\u003e\n\u003ctd\u003eNone, open style\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\u003eProgramming Cable\u003c\/td\u003e\n\u003ctd\u003e1756-CP3 or 1747-CP3 serial cable\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\u003eIntrinsically Safe\u003c\/td\u003e\n\u003ctd\u003eNo\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\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\u003eCD (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 (Common)\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\u003eEnsure backplane power is removed or the area is known to be nonhazardous prior to inserting or removing the controller or connecting cables.\u003c\/li\u003e\n\u003cli\u003eDischarge potential static by wearing an approved grounding wriststrap and touching a grounded object before handling the module.\u003c\/li\u003e\n\u003cli\u003eMount the equipment inside a suitably designed open-type enclosure complying with appropriate flame-retardant ratings and accessible only with a tool.\u003c\/li\u003e\n\u003cli\u003eConnect the 1756-BA1 battery correctly prior to placing the controller in service.\u003c\/li\u003e\n\u003cli\u003eAlign the module circuit board with top and bottom chassis guides and slide into the chassis slot until fully engaged.\u003c\/li\u003e\n\u003cli\u003eLimit custom serial cable lengths to a maximum of 15.2 m (50 ft) and attach the shield at both ends.\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 (UL File E65584)\u003c\/li\u003e\n\u003cli\u003eCSA Certified Process Control Equipment (CSA File LR54689C)\u003c\/li\u003e\n\u003cli\u003eCSA Certified Process Control Equipment for Class I, Division 2 Group A, B, C, D Hazardous Locations (CSA File LR69960C)\u003c\/li\u003e\n\u003cli\u003eEuropean Union 2004\/108\/IEC EMC Directive (EN 61326-1, EN 61000-6-2, EN 61000-6-4, EN 61131-2)\u003c\/li\u003e\n\u003cli\u003eC-Tick Australian Radiocommunications Act (AS\/NZS CISPR 11)\u003c\/li\u003e\n\u003cli\u003eEuropean Union 94\/9\/EC ATEX Directive (EN 60079-15, Zone 2)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695187685739,"sku":"1756-L55M22","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1756-l55m22-controllogix-controller-xozyz4cypqk_c765ff52-ed51-497b-a497-f6ce78788a68.jpg?v=1766114522","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1756-l55m22-controllogix-programmable-automation-controller","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}