{"product_id":"allen-bradley-1757-srm-redundancy-module-ships-fast","title":"1757-SRM | Allen-Bradley ControlLogix \/ ProcessLogix System Redundancy Module","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe Allen-Bradley 1757-SRM is a System Redundancy Module designed for ControlLogix and ProcessLogix platforms to enable high-availability, redundant controller architectures. Installed as a two-slot module, it synchronizes a primary and secondary controller chassis through a fiber-optic link. With support for multimode 62.5\/125 μm fiber and SC connectors, the 1757-SRM ensures seamless controller switchover for continuous process operation.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLCs\/Machine Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1757-SRM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSystem Redundancy Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlLogix \/ ProcessLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRedundancy module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlot Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.160 A @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation (Max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.28 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Dissipation (Max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38.49 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSC fiber-optic connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e62.5\/125 μm multimode fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1, 3, 10, 50, 100 m (1757-SRC series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWavelength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1300 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 (Tx\/Rx fiber)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Controllers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLogix 5560\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpen-style (no enclosure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlLogix chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to 60°C (32–140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14.5 × 7 × 14 cm (5.71 × 2.76 × 5.51 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-availability and redundant control systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 1757-SRM\u003c\/h4\u003e\n\u003cp\u003eThe 1757-SRM provides the communication and synchronization bridge required for redundant Logix control systems. When paired with an identical 1757-SRM in a secondary chassis, the modules exchange state and data continuously to maintain synchronized operation. Status indicators provide clear diagnostics for primary\/secondary status, communication health, and module condition. The module is compatible with standard ControlLogix chassis sizes and approved power supplies, and it uses dedicated 1757-SRCxx fiber optic cables to establish the redundancy link. Common applications include high-availability process control, critical manufacturing lines, and systems where downtime must be avoided.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnables controller redundancy: Synchronizes primary and secondary Logix controllers.\u003c\/li\u003e\n\u003cli\u003eFiber-optic link: Uses SC-type multimode fiber (62.5\/125 μm) for high-speed communication.\u003c\/li\u003e\n\u003cli\u003eTwo-slot module design: Fits designated redundancy slots in ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003eSupports multiple chassis sizes: Compatible with 1756-A4, A7, A10, A13, and A17.\u003c\/li\u003e\n\u003cli\u003eStatus LEDs: Provide clarity on communication, health, and primary\/secondary role.\u003c\/li\u003e\n\u003cli\u003eRedundant operation continuity: Ensures uninterrupted control during controller failure.\u003c\/li\u003e\n\u003cli\u003eWide cable length options: Supports 1 m to 100 m using 1757-SRC cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1757-SRM delivers the reliability and precision required for high-availability ControlLogix and ProcessLogix redundancy systems.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47554605547818,"sku":"1757-SRM","price":529.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/67.png?v=1721472674","url":"https:\/\/iqelectro.com\/products\/allen-bradley-1757-srm-redundancy-module-ships-fast","provider":"IQElectro","version":"1.0","type":"link"}