{"product_id":"allen-bradley-1756-psca2-controllogix-redundant-power-supply-chassis-adapter-module","title":"Allen-Bradley 1756-PSCA2 ControlLogix Redundant Power Supply Chassis Adapter Module","description":"\u003ch2\u003eAllen-Bradley 1756-PSCA2 ControlLogix Redundant Power Supply Chassis Adapter Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-PSCA2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-PSCA2\u003c\/strong\u003e Redundant Power Supply Chassis Adapter Module, operates as a dedicated hardware component for redundant power connection and chassis power distribution within ControlLogix systems. The passive adapter provides the interface structure between redundant power supplies and the ControlLogix chassis.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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-PSCA2\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\u003e0.53 lbs\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive device, no active power consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eRedundant Power Supply Chassis Adapter Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Type\u003c\/td\u003e\n\u003ctd\u003ePassive chassis mounting adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Capacity at 1.2 VDC\u003c\/td\u003e\n\u003ctd\u003e1.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Capacity at 3.3 VDC\u003c\/td\u003e\n\u003ctd\u003e4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Capacity at 5.1 VDC\u003c\/td\u003e\n\u003ctd\u003e15 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Capacity at 24 VDC\u003c\/td\u003e\n\u003ctd\u003e2.8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Style\u003c\/td\u003e\n\u003ctd\u003eOpen-style enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Bend Radius\u003c\/td\u003e\n\u003ctd\u003e5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing relative humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNon-Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e30 G maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNon-Operating Shock\u003c\/td\u003e\n\u003ctd\u003e50 G maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Rating\u003c\/td\u003e\n\u003ctd\u003e2 G at 10 to 500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eRedundant ControlLogix power supply system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eControlLogix Redundant Power Interface Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PSCA2 provides a passive connection interface for redundant power supply architectures within ControlLogix chassis systems. The adapter supports defined backplane current paths for multiple voltage rails, including 1.2 VDC, 3.3 VDC, 5.1 VDC, and 24 VDC distribution.\u003c\/p\u003e\n\u003cp\u003eAs a passive module, the 1756-PSCA2 does not perform power conversion or execute control functions. It operates as part of the redundant power structure, supporting chassis-level power distribution and maintaining compatibility with ControlLogix deterministic backplane communication architecture.\u003c\/p\u003e\n\u003cp\u003eThe adapter supports I\/O density scaling by enabling redundant power supply arrangements for chassis configurations requiring multiple power sources. Its mechanical design provides the mounting interface required for integration with compatible ControlLogix power assemblies.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1756-PSCA2 generate or regulate power?\u003cbr\u003eA: No. The 1756-PSCA2 is a passive chassis adapter and does not contain active power conversion circuitry.\u003c\/p\u003e\n\u003cp\u003eQ: What voltage paths are supported by the 1756-PSCA2?\u003cbr\u003eA: The adapter supports ControlLogix backplane current paths for 1.2 VDC, 3.3 VDC, 5.1 VDC, and 24 VDC rails.\u003c\/p\u003e\n\u003cp\u003eQ: What environmental conditions are specified for operation?\u003cbr\u003eA: The module operates from 0 deg C to 60 deg C with 5% to 95% non-condensing relative humidity.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-PSCA2 according to the ControlLogix redundant power supply configuration requirements. Verify mechanical alignment with the chassis and ensure all power supply connections are correctly seated before energizing the system.\u003c\/p\u003e\n\u003cp\u003eMaintain the specified cable bend radius during installation to prevent mechanical stress on connected cables. Route power-related conductors separately from high-noise switching circuits and maintain standard industrial cabinet grounding practices.\u003c\/p\u003e\n\u003cp\u003eBefore system startup, verify redundant power supply connections, chassis compatibility, and current loading across all supported backplane voltage paths.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43627647696986,"sku":"1756-PSCA2","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-PSCA22.jpg?v=1783667670","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-psca2-controllogix-redundant-power-supply-chassis-adapter-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}