{"product_id":"1756-l71k-allen-bradley-controllogix-conformal-coated-processor-module","title":"1756-L71K | Allen Bradley | ControlLogix Conformal Coated Processor Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756-L71K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-performance central processing unit within the ControlLogix 5570 family. This module executes complex control laws, manages high-speed I\/O communication, and handles motion control tasks across large-scale industrial architectures. The \"K\" designation signifies a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eConformal Coated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eversion, specifically treated to resist moisture, fungus, and corrosive chemical vapors. We supply this processor as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Factory Original\u003c\/strong\u003e, ensuring peak computational reliability for your most critical automation assets.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L71K integrates high-density memory and low-power processing into a single-slot ControlLogix chassis module:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 MB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.98 MB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Digital I\/O\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128,000 Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Analog I\/O\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4,000 Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProcessor \/ CPU\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Draw (5.1V DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e800 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Draw (1.2V DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 Watts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.5 BTU\/hr\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30V (Continuous)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosive Environment Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe specialized conformal coating protects the internal PCB and surface-mount components from environmental contaminants. This makes the 1756-L71K the ideal choice for wastewater treatment plants, oil and gas refineries, and chemical processing facilities where standard electronics fail due to atmospheric corrosion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Data Throughput:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis processor utilizes the high-performance ControlLogix backplane to manage up to 128,000 total I\/O points. It accelerates scan times and improves system responsiveness for synchronized motion and discrete high-speed control loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEfficient Energy Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module dissipates only 2.5 Watts of power during peak operation. This low thermal profile reduces the heat load within the control enclosure, allowing for denser module configurations without necessitating high-capacity active cooling systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Energy Storage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-L71K eliminates the need for lithium batteries. It employs internal energy storage technology to facilitate the transfer of volatile memory to onboard non-volatile storage during power-loss events, simplifying long-term maintenance and compliance with transport regulations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Signal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 30V continuous isolation barrier shields the processor logic from electrical noise and ground loops. This ensures the CPU maintains consistent execution of the control program even in electrically noisy environments near large motor drives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this 1756-L71K unit 100% Brand New?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We guarantee this processor is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand ships in its original factory-sealed anti-static packaging. Every unit carries a unique serial number and has never been installed or programmed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 1756-L71K in a standard (non-K) chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1756-L71K fits into any standard 1756 ControlLogix chassis. However, to maximize the protective benefits of the conformal coating, we recommend installing it in a conformal coated \"K\" chassis (e.g., 1756-A10K).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this processor require a battery for program backup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 5570 series processors, including the 1756-L71K, use a built-in capacitor-based energy storage module. This module provides enough power to write the program to internal flash memory if the system loses power, removing the maintenance requirement for periodic battery replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat software is required to program this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou must use Studio 5000 Logix Designer software. Ensure your software version supports the 1756-L71K hardware profile and the specific firmware revision intended for your application.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53453097992376,"sku":"1756-L71K","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-L71S_0837b2d8-aa67-44df-aa66-5b53d2cbe5ce.jpg?v=1778486521","url":"https:\/\/www.globalpetroparts.com\/products\/1756-l71k-allen-bradley-controllogix-conformal-coated-processor-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}