{"product_id":"allen-bradley-1756-cpr-redundant-power-supply-cable","title":"Allen-Bradley 1756-CPR Redundant Power Supply Cable","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1756-CPR Redundant Power Supply Cable\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-CPR\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-CPR redundant power supply cable\u003c\/strong\u003e, serves as the primary\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epower redundancy interconnect assembly\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilized to execute failover power distribution across\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix 1756 chassis architectures\u003c\/strong\u003e. It provides direct electrical linkage between dual redundant power supplies to maintain continuous backplane energization during supply transition events.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eBase model: 1756-CPR redundant power supply cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNo functional suffix segmentation is defined beyond core model designation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAssembly is fixed-length variant family depending on production configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\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-CPR\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\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e~1 m cable length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e–40 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 interconnect (no internal power draw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Type\u003c\/td\u003e\n\u003ctd\u003eRedundant power supply interconnect cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eFactory-terminated 1756 redundant supply connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003e1756-PA75R, 1756-PA72R, 1756-PB75R, 1756-PB72R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e85–265 VAC or 24 VDC (system dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eCabinet internal installation only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eUL, CE, CSA, IECEx, ATEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBackplane Bus Power Redundancy and EtherNet\/IP Control Continuity\u003c\/h3\u003e\n\u003cp\u003eThe cable implements a direct DC\/AC supervisory linkage between redundant 1756 power supply modules without signal processing or protocol conversion. Failover coordination is executed through supply-side detection logic, ensuring uninterrupted backplane voltage regulation.\u003c\/p\u003e\n\u003cp\u003ePower continuity behavior is governed by supply internal switching logic, while the interconnect cable maintains reference synchronization between primary and backup modules. No buffering or isolation circuitry is embedded within the cable assembly.\u003c\/p\u003e\n\u003cp\u003eMechanical routing constraints ensure low impedance continuity across redundant supply terminals, supporting stable chassis backplane energization during dynamic load transfer conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1756-CPR contain active electronics for power management?\u003cbr\u003eA: No. The cable is a passive interconnect without signal conditioning or switching components.\u003c\/p\u003e\n\u003cp\u003eQ: Is power transfer between redundant supplies handled inside the cable?\u003cbr\u003eA: No. Switching logic resides within the redundant power supply modules, not the cable assembly.\u003c\/p\u003e\n\u003cp\u003eQ: Can the cable be replaced while the system is energized?\u003cbr\u003eA: No. Replacement requires controlled shutdown to avoid interruption of redundant supply synchronization.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the cable only inside a fully enclosed ControlLogix 1756 chassis cabinet. Ensure both redundant power supply connectors are fully seated to maintain stable inter-module synchronization.\u003c\/p\u003e\n\u003cp\u003eRoute the cable away from high-frequency switching conductors and motor power lines to minimize induced coupling into the redundant supply control paths. Maintain consistent cabinet grounding and shielding continuity.\u003c\/p\u003e\n\u003cp\u003eVerify compatibility between paired redundant supplies before energization. Confirm correct primary\/backup assignment and perform controlled power cycling tests during commissioning.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43578787299418,"sku":"1756-CPR","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-CPR2.jpg?v=1782902860","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-cpr-redundant-power-supply-cable","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}