{"product_id":"allen-bradley-1756-l61-b-controllogix-processor-module","title":"Allen-Bradley 1756-L61\/B ControlLogix Processor Module","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1756-L61\/B ControlLogix Processor Module\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eConfigured for programmable logic execution and controller data management in ControlLogix chassis systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-L61\/B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e1756-L61\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProcessor Module) provides direct physical\/electrical execution of automation control tasks through the ControlLogix backplane.\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-L61\/B\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.75 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.2 A at 5 VDC backplane current\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\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eProcessor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e2 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Memory\u003c\/td\u003e\n\u003ctd\u003e478 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNonvolatile Memory\u003c\/td\u003e\n\u003ctd\u003eCompactFlash card support, 1784-CF64 and CF128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e1 RS-232 serial port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Digital I\/O\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 I\/O points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Controller Tasks\u003c\/td\u003e\n\u003ctd\u003e32 tasks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Programs per Task\u003c\/td\u003e\n\u003ctd\u003e100 programs per task\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Controller Connections\u003c\/td\u003e\n\u003ctd\u003e250 connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotion Support\u003c\/td\u003e\n\u003ctd\u003eIntegrated motion control via SERCOS interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Redundancy\u003c\/td\u003e\n\u003ctd\u003eSupported with ControlLogix redundancy modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Compatibility\u003c\/td\u003e\n\u003ctd\u003eControlLogix chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eControlLogix Backplane Communication and Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L61\/B processor module executes Logix-based control programs through ControlLogix backplane communication. The controller supports firmware flash compatibility within the ControlLogix platform and manages scheduled tasks, I\/O data exchange, and controller connections. The module provides I\/O density scaling up to 128,000 digital I\/O points and supports integrated motion control through SERCOS interface communication.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1756-L61\/B support controller redundancy configurations?\u003cbr\u003eA: Yes. The processor module supports redundant controller configurations when used with compatible ControlLogix redundancy modules.\u003c\/p\u003e\n\u003cp\u003eQ: What nonvolatile memory options are available for the 1756-L61\/B?\u003cbr\u003eA: The module supports CompactFlash nonvolatile memory cards including 1784-CF64 and CF128 for program retention.\u003c\/p\u003e\n\u003cp\u003eQ: How many controller tasks and programs per task are supported?\u003cbr\u003eA: The controller supports up to 32 tasks with up to 100 programs per task.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-L61\/B processor module into a compatible ControlLogix chassis slot and verify full engagement with the chassis backplane connector before system power application.\u003c\/p\u003e\n\u003cp\u003eConnect the RS-232 serial interface using appropriate shielded communication wiring. Maintain separation between communication cables and high-current power conductors to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eFor redundant controller installations, verify matching controller configurations, firmware compatibility, and redundancy module installation requirements before commissioning. CompactFlash memory devices should be installed or removed according to standard controller maintenance procedures.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43612109832282,"sku":"1756-L61\/B","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-L61B2.jpg?v=1783406344","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-l61-b-controllogix-processor-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}