{"product_id":"allen-bradley-1756-l55m24-controllogix-plc-cpu-module","title":"Allen-Bradley 1756-L55M24 Logix5555 Processor 3.5Mb Non-Volatile Memory","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-L55M24 is a ControlLogix Logix5555 processor module designed for high-performance industrial automation applications. This unit integrates a 1756-L55 base processor with a 1756-M24 memory board, providing 3.5 MB of non-volatile memory for robust program and data storage. As a component of the ControlLogix platform, it supports complex control tasks and high-speed communication within the chassis-based architecture.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eControlLogix 5555 series architecture for scalable control solutions.\u003c\/li\u003e\n\u003cli\u003eIntegrated 3.5 MB non-volatile memory for reliable data retention.\u003c\/li\u003e\n\u003cli\u003eDesigned for seamless integration into 1756 ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003eSupports multi-tasking and high-speed processing for demanding industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e1756-L55M24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Model\u003c\/td\u003e\n\u003ctd\u003e1756-L55M24\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Capacity\u003c\/td\u003e\n\u003ctd\u003e3.5 MB Non-Volatile RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix (Logix5555)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before inserting or removing the processor module.\u003c\/li\u003e\n\u003cli\u003eHandle the module by the edges to avoid electrostatic discharge (ESD) damage to sensitive internal components.\u003c\/li\u003e\n\u003cli\u003eAlign the module carefully with the chassis slot guides and seat it firmly to ensure proper backplane connection.\u003c\/li\u003e\n\u003cli\u003eTighten the module retaining screws to secure the unit within the chassis and ensure proper grounding.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is compatible with the existing firmware and chassis power supply capacity before commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 1756-L55M24 still in production?\u003c\/h3\u003e\u003cp\u003eNo, this module was officially discontinued by the manufacturer on March 30, 2011. It is primarily available through secondary market channels for maintenance and legacy system support.\u003c\/p\u003e\u003ch3\u003eWhat does the 1756-M24 designation indicate?\u003c\/h3\u003e\u003cp\u003eThe 1756-M24 refers to the specific memory board installed on the 1756-L55 processor base, which provides the 3.5 MB of non-volatile memory capacity.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50927011758332,"sku":"1756-L55M24","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_a931ded6-25f8-48dc-82b7-4a6b31020b86.jpg?v=1786081508","url":"https:\/\/www.electronicplc.com\/es\/products\/allen-bradley-1756-l55m24-controllogix-plc-cpu-module","provider":"Electronic PLC","version":"1.0","type":"link"}