{"product_id":"allen-bradley-1756-l55m14-controllogix-logix5555-processor-module","title":"Allen-Bradley 1756-L55M14 ControlLogix Logix5555 Processor Module","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1756-L55M14 ControlLogix Logix5555 Processor Module\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-L55M14\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L55M14\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProcessor Module, operates as a dedicated hardware component for programmable logic execution and memory processing within ControlLogix platforms. The module combines a Logix5555 controller with 3.5 MB memory capacity for ControlLogix application execution.\u003c\/p\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=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\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-L55M14\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.57 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e5.1 cm x 15.2 cm x 15.2 cm\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\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eProcessor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Family\u003c\/td\u003e\n\u003ctd\u003eLogix5555\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Capacity\u003c\/td\u003e\n\u003ctd\u003e3.5 MB RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum I\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e128,000 I\/O points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Analog I\/O\u003c\/td\u003e\n\u003ctd\u003e4,000 input; 2,000 output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Scan Time\u003c\/td\u003e\n\u003ctd\u003e0.08 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e1.23 A at 5 VDC; 14 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Compatibility\u003c\/td\u003e\n\u003ctd\u003e1756-BA1, 1756-BATM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Rating\u003c\/td\u003e\n\u003ctd\u003e10 to 500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eControlLogix Processor Execution and Memory Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L55M14 integrates the Logix5555 processor with a 1756-L55 base processor and 1756-M14 memory module. The controller executes ControlLogix application programs while managing I\/O data exchange through the chassis backplane bus.\u003c\/p\u003e\n\u003cp\u003eThe processor supports up to 128,000 total I\/O points with analog capacity of 4,000 input points and 2,000 output points. The 3.5 MB memory allocation provides application storage for controller programs, tag data, and system configuration parameters.\u003c\/p\u003e\n\u003ch3\u003eBackplane Bus Communication and Firmware Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L55M14 communicates with ControlLogix I\/O and communication modules through the backplane bus interface. The processor architecture supports deterministic data exchange between controller resources and installed chassis modules.\u003c\/p\u003e\n\u003cp\u003eFirmware flash compatibility allows supported controller revisions to be maintained within the ControlLogix platform. The module can interface with compatible communication modules supporting EtherNet\/IP, ControlNet, DeviceNet, and other ControlLogix network configurations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What memory capacity is provided by the 1756-L55M14 processor module?\u003c\/strong\u003e\u003cbr\u003eA: The module provides 3.5 MB RAM through the installed 1756-M14 memory module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum I\/O capacity supported by the 1756-L55M14?\u003c\/strong\u003e\u003cbr\u003eA: The processor supports up to 128,000 I\/O points, including up to 4,000 analog inputs and 2,000 analog outputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What backplane current is required for the 1756-L55M14?\u003c\/strong\u003e\u003cbr\u003eA: The module requires 1.23 A at 5 VDC and 14 mA at 24 VDC from the ControlLogix chassis backplane.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-L55M14 processor module into a compatible ControlLogix chassis slot and verify chassis power supply capacity before startup. Confirm correct seating of the processor and memory module connections during installation.\u003c\/p\u003e\n\u003cp\u003eRoute communication and control wiring separately from high-voltage power conductors to reduce electromagnetic interference. Maintain proper grounding practices for the ControlLogix chassis and connected field devices.\u003c\/p\u003e\n\u003cp\u003eInstall compatible battery components according to controller configuration requirements. Verify firmware revision compatibility, processor configuration, memory allocation, and communication module settings before commissioning.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43612071985242,"sku":"1756-L55M14","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-L55M142.jpg?v=1783405095","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-l55m14-controllogix-logix5555-processor-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}