{"product_id":"1757-srm-allen-bradley-system-redundancy-module-controllogix","title":"1757-SRM Allen-Bradley System Redundancy Module ControlLogix","description":"\u003cp\u003eConfigured for high-availability synchronization across industrial control architectures, the \u003cstrong\u003eAllen-Bradley 1757-SRM\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1757SRM\u003c\/strong\u003e System Redundancy Module, executes direct physical and electrical handshaking between paired controller nodes.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCatalog Number: 1757-SRM\u003c\/li\u003e\n\u003cli\u003eSpare Designator: 1757SRM\u003c\/li\u003e\n\u003cli\u003ePlatform Architecture: ControlLogix \/ ProcessLogix\u003c\/li\u003e\n\u003cli\u003eSupported Processors: Logix 5560 series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware 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\u003e1757-SRM\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e14 x 13.5 x 7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C (standard industrial rating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e11.28 W max dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n\u003ctd\u003e0.75 A at 3.3 VDC, 1.0 A at 5.1 VDC, 0.160 A at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e11 to 30 VDC (270 mA at 24 VDC typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e38.49 BTU\/hr max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Terminals\u003c\/td\u003e\n\u003ctd\u003e30 VDC Class 2 \/ SELV, 100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eNetwork Communication \u0026amp; Architecture Scaling\u003c\/h3\u003e\n\u003cp\u003eThe redundancy module controls deterministic network operations through backplane bus communication velocity licenses and supports Profinet or EtherNet\/IP deterministic networks. I\/O density scaling allows synchronized data mapping across dual chassis configurations, while firmware flash compatibility ensures unified version control during runtime updates.\u003c\/p\u003e\n\u003ch3\u003eOrder Deliverables \u0026amp; Package Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1757-SRM System Redundancy Module hardware unit\u003c\/li\u003e\n\u003cli\u003e1 x SC-type fiber-optic port dust cover set\u003c\/li\u003e\n\u003cli\u003e1 x Technical documentation and regulatory compliance insert\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Installation \u0026amp; Slot Allocation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChassis Mounting: Install the module directly into a designated slot within an open-style ControlLogix chassis, ensuring firm engagement with backplane pins.\u003c\/li\u003e\n\u003cli\u003eFiber-Optic Cabling: Connect matching SC-type fiber-optic cables between redundant modules while maintaining the manufacturer's minimum bend radius limits.\u003c\/li\u003e\n\u003cli\u003eTerminal Wiring: Terminate external auxiliary power and relay status lines securely to the removable terminal block using proper torque limits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat primary controller series are supported by the 1757-SRM module?\u003c\/p\u003e\n\u003cp\u003eThe hardware is engineered specifically to support Logix 5560 controller platforms in dual-redundant configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum power dissipation rating during active operation?\u003c\/p\u003e\n\u003cp\u003eThe module exhibits a maximum power dissipation of 11.28 W, generating up to 38.49 BTU\/hr of thermal energy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat are the specific backplane current requirements across voltage rails?\u003c\/p\u003e\n\u003cp\u003eIt draws 0.75 A at 3.3 VDC, 1.0 A at 5.1 VDC, and 0.160 A at 24 VDC from the chassis backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat type of optical connector is integrated into the front faceplate?\u003c\/p\u003e\n\u003cp\u003eThe module features an SC-type fiber-optic connector interface for high-speed inter-rack data exchange.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat are the electrical ratings for the onboard relay terminals?\u003c\/p\u003e\n\u003cp\u003eThe relay output terminals are rated for 30 VDC Class 2 or SELV operation with a maximum current capacity of 100 mA.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the module require an auxiliary power supply connection?\u003c\/p\u003e\n\u003cp\u003eYes, it accepts external power requirements ranging from 11 to 30 VDC, drawing approximately 270 mA at 24 VDC typically.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the physical net weight of the redundancy module?\u003c\/p\u003e\n\u003cp\u003eThe unit has an individual net weight of 0.45 kg, which is approximately 14.53 oz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat enclosure rating category applies to this hardware?\u003c\/p\u003e\n\u003cp\u003eThe module features an open-style enclosure type rating with no direct independent environmental sealing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066422972589,"sku":"1757-SRM","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1757-SRM_13.jpg?v=1785743672","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1757-srm-allen-bradley-system-redundancy-module-controllogix","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}