{"product_id":"allen-bradley-1756-l75k-controllogix-processor-module","title":"Allen Bradley 1756-L75K ControlLogix Processor Module","description":"\u003ch2\u003eAllen Bradley 1756-L75K ControlLogix Processor Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen Bradley 1756-L75K\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-L75K\u003c\/strong\u003e Processor Module, operates as a dedicated hardware component for controller execution, I\/O data processing, and network communication within ControlLogix automation platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\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-L75K\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.50 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eControlLogix Processor 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\u003eI\/O Memory\u003c\/td\u003e\n\u003ctd\u003e0.98 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e32 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum I\/O\u003c\/td\u003e\n\u003ctd\u003e128,000 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Digital I\/O\u003c\/td\u003e\n\u003ctd\u003e128,000 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Analog I\/O\u003c\/td\u003e\n\u003ctd\u003e4,000 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Connections\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw (1.2 VDC)\u003c\/td\u003e\n\u003ctd\u003e5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw (5.1 VDC)\u003c\/td\u003e\n\u003ctd\u003e800 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e8.5 BTU\/hour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e30 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Interface\u003c\/td\u003e\n\u003ctd\u003e4-character display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Port\u003c\/td\u003e\n\u003ctd\u003eUSB port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eConformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eControlLogix Backplane Communication and Firmware Compatibility Features\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L75K processor module operates through the ControlLogix backplane bus architecture for controller communication, I\/O data transfer, and chassis-based module coordination. The processor supports I\/O density scaling with up to 128,000 digital I\/O points and 4,000 analog I\/O points within compatible ControlLogix configurations.\u003c\/p\u003e\n\u003cp\u003eThe module supports firmware flash compatibility within the ControlLogix platform, allowing controller firmware updates and compatibility management with supported system components. EtherNet\/IP and other industrial communication networks can be integrated through compatible communication interface modules for deterministic controller data exchange.\u003c\/p\u003e\n\u003cp\u003eThe processor provides 32 MB user memory and 0.98 MB I\/O memory for application execution, controller data handling, and system configuration storage. The conformal coating design provides additional board-level protection for industrial installation environments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the backplane current requirement of the 1756-L75K processor module?\u003cbr\u003eA: The module requires 5 mA at 1.2 VDC and 800 mA at 5.1 VDC from the ControlLogix chassis backplane.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 1756-L75K support USB communication?\u003cbr\u003eA: Yes. The module includes a USB port intended for controller programming and configuration functions.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1756-L75K be installed as a standalone controller?\u003cbr\u003eA: No. The processor uses an open-style enclosure and requires installation in a compatible ControlLogix chassis with backplane communication.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-L75K processor module into a compatible ControlLogix chassis slot and verify the chassis power supply capacity before system startup.\u003c\/p\u003e\n\u003cp\u003eEnsure the module is fully engaged with the backplane connector and maintain proper mechanical retention during operation. Route communication cables separately from high-voltage conductors to reduce electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eApply chassis grounding practices according to the control system installation standard. Cable shields should be terminated according to the network communication requirements. Confirm firmware compatibility between the processor, communication modules, and connected I\/O devices before commissioning.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43617061994586,"sku":"1756-L75K","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-L75K2.jpg?v=1783492608","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-l75k-controllogix-processor-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}