{"product_id":"allen-bradley-1756-psca-redundant-power-supply-chassis-adapter-module","title":"Allen-Bradley 1756-PSCA Redundant Power Supply Chassis Adapter Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1756-PSCA is a passive power consolidation adapter designed specifically for the ControlLogix 1756 chassis platform. This module is essential for establishing a redundant power architecture, allowing for the integration of two independent 1756 redundant power supply units. By merging these power feeds into a single, unified pathway, the 1756-PSCA ensures continuous, fault-tolerant operation of the chassis backplane, effectively eliminating single points of failure in critical automation applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePassive electrical design with no active switching components, ensuring high reliability and long MTBF.\u003c\/li\u003e\n\u003cli\u003eDual 37-pin Sub-D male connectors for direct interface with 1756-CPR2 redundant power cables.\u003c\/li\u003e\n\u003cli\u003eSeamless, bumpless hot-swapping capability for power supply units.\u003c\/li\u003e\n\u003cli\u003eDirect integration with Series B ControlLogix backplanes for multi-rail DC logic distribution.\u003c\/li\u003e\n\u003cli\u003eDedicated mounting position on the left-most side of the chassis, preserving standard I\/O slot availability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThis module is widely utilized in high-availability industrial environments where system downtime must be minimized, including oil and gas processing, water and wastewater treatment, power generation, and automated manufacturing lines. It is compatible with 1756-PA75R (AC) and 1756-PB75R (DC) redundant power supplies.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-PSCA\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\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003e2 x 37-Pin Sub-D Male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Cables\u003c\/td\u003e\n\u003ctd\u003e1756-CPR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95 percent (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Compatibility\u003c\/td\u003e\n\u003ctd\u003e1756-A4, A7, A10, A13, A17 (Series B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before installing or removing the 1756-PSCA module.\u003c\/li\u003e\n\u003cli\u003eMount the module exclusively on the left-most end of the 1756 chassis.\u003c\/li\u003e\n\u003cli\u003eVerify that the 1756-CPR2 cables are securely fastened to the Sub-D connectors to prevent intermittent power loss.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation around the chassis to keep ambient temperatures within the 0 to 60 deg C range.\u003c\/li\u003e\n\u003cli\u003eHandle with standard ESD precautions to protect backplane pins during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-PSCA require firmware updates?\u003c\/strong\u003e\u003cbr\u003eNo, the 1756-PSCA is a passive electrical device containing no active circuitry, microprocessors, or firmware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this with a Series A backplane?\u003c\/strong\u003e\u003cbr\u003eThe 1756-PSCA is designed for use with Series B ControlLogix backplanes. Please verify your chassis revision before installation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51000334909692,"sku":"1756-PSCA","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_4c00f644-5866-4d22-9e94-b6ed013bcc7d.jpg?v=1787247385","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1756-psca-redundant-power-supply-chassis-adapter-module","provider":"Electronic PLC","version":"1.0","type":"link"}