{"product_id":"1756-m1-allen-bradley-memory-module","title":"1756-M1 | Allen-Bradley Memory Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-M1\u003c\/strong\u003e is a 512 Kword expansion memory module engineered for legacy ControlLogix controllers. Installed directly into the controller's dedicated memory slot, it expands the available storage for user program logic, data tags, and system routines. This expansion ensures stable execution of complex sequential, process, or motion control tasks within the Logix5000 architecture.\u003c\/p\u003e\n\u003ch3\u003eMemory Expansion and Controller Integration\u003c\/h3\u003e\n\u003cp\u003eThe module adds 512 Kwords of non-volatile program and data storage to compatible first-generation ControlLogix processors. By expanding onboard memory capacity, the module allows engineers to scale control programs, handle larger tag databases, and implement extended data logging without replacing the primary processor hardware.\u003c\/p\u003e\n\u003cp\u003eThe unit powered directly from the chassis backplane bus, drawing 760 mA at 5.1 VDC and 2.5 mA at 24 VDC. It exhibits a maximum power dissipation of 6.2 W and a thermal dissipation rating of 21.2 BTU\/hr during standard operation.\u003c\/p\u003e\n\u003ch3\u003ePhysical Construction and Environmental Requirements\u003c\/h3\u003e\n\u003cp\u003eDesigned for open-type enclosure mounting inside standard 1756 ControlLogix chassis, the \u003cstrong\u003e1756-M1\u003c\/strong\u003e operates reliably within an ambient temperature range of 0 to 60 deg C (32 to 140 deg F). The compact module weighs approximately 0.16 kg (0.35 lbs) and provides 50 V continuous isolation protection to safeguard controller electronics.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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-M1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eController Expansion Memory Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Capacity\u003c\/td\u003e\n\u003ctd\u003e512 Kwords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw @ 5.1 VDC\u003c\/td\u003e\n\u003ctd\u003e760 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw @ 24 VDC\u003c\/td\u003e\n\u003ctd\u003e2.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e6.2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e21.2 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V Continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.16 kg (0.35 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What function does the 1756-M1 module serve in a ControlLogix system? A: The 1756-M1 provides 512 Kwords of additional memory capacity to compatible legacy ControlLogix controllers, accommodating larger application program code and extended data tag storage.\u003c\/p\u003e\n\u003cp\u003eQ: How is power provided to the 1756-M1 memory module? A: The module draws power directly from the ControlLogix chassis backplane, requiring 760 mA at 5.1 VDC and 2.5 mA at 24 VDC during normal operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":67156315406451,"sku":"1756-M1","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/1756-M1_Cocoai.jpg?v=1794289759","url":"https:\/\/www.dcssupplier.com\/ar\/products\/1756-m1-allen-bradley-memory-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}