{"product_id":"allen-bradley-1756-m13-controllogix-memory-expansion-module","title":"Allen-Bradley 1756-M13 ControlLogix Memory Expansion Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe 1756-M13 is a high-capacity volatile RAM expansion daughterboard engineered specifically for the Allen-Bradley ControlLogix 5555 processing platform. This internal hardware component expands the physical memory capacity of the host processor, providing 1.5 Megabytes of additional volatile space for complex control logic, data arrays, system trend files, and industrial automation routines. It is designed to support legacy automation setups, including distributed plant networks and high-speed assembly lines, by eliminating programmatic storage constraints without requiring a controller upgrade.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProvides 1.5 MB of additional volatile RAM for ControlLogix 5555 processors.\u003c\/li\u003e\n\u003cli\u003eSupports external battery backup via the host controller to maintain data integrity during power loss.\u003c\/li\u003e\n\u003cli\u003eIntegrated front-facing OK LED for real-time hardware status and diagnostic monitoring.\u003c\/li\u003e\n\u003cli\u003eRobust design with high ESD immunity and shock resistance for industrial environments.\u003c\/li\u003e\n\u003cli\u003eDirect internal mounting into the dedicated processor memory slot.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is intended for use in ControlLogix 5555 series PLC systems where additional memory is required for large-scale logic, extensive data logging, or complex industrial control algorithms. It is suitable for maintenance and expansion of existing legacy ControlLogix installations.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-M13\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\u003eMemory Capacity\u003c\/td\u003e\n\u003ctd\u003e1.5 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Type\u003c\/td\u003e\n\u003ctd\u003eVolatile RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHost Compatibility\u003c\/td\u003e\n\u003ctd\u003eControlLogix 5555 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indication\u003c\/td\u003e\n\u003ctd\u003eOnboard OK LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESD Immunity (Contact)\u003c\/td\u003e\n\u003ctd\u003e6 kV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESD Immunity (Air)\u003c\/td\u003e\n\u003ctd\u003e8 kV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e30 G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.03 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the host controller is powered down before attempting to install or remove the memory module.\u003c\/li\u003e\n\u003cli\u003eHandle the module by the edges to prevent electrostatic discharge (ESD) damage to sensitive components.\u003c\/li\u003e\n\u003cli\u003eInsert the module firmly into the dedicated internal memory slot of the 5555 processor until it is fully seated.\u003c\/li\u003e\n\u003cli\u003eVerify that the host controller is equipped with a functional battery backup to ensure data retention during power cycles.\u003c\/li\u003e\n\u003cli\u003eAfter installation, perform a power-up test and confirm the OK LED status indicator is illuminated to verify proper module recognition.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs the 1756-M13 compatible with newer ControlLogix controllers?\u003c\/strong\u003e\u003cbr\u003eNo, this module is specifically designed for the legacy ControlLogix 5555 series processors and is not compatible with later generations of ControlLogix controllers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this module retain data without power?\u003c\/strong\u003e\u003cbr\u003eAs a volatile RAM module, it requires an external battery backup connected to the host controller to preserve data during power loss. Ensure your battery is replaced periodically according to your maintenance schedule.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50995323175164,"sku":"1756-M13","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_2a47df9e-ddaf-42d2-a3e5-c01cfd9558e0.jpg?v=1787081913","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-1756-m13-controllogix-memory-expansion-module","provider":"Electronic PLC","version":"1.0","type":"link"}