{"product_id":"allen-bradley-1756-pb72-r-controllogix-redundant-dc-power-supply-module","title":"Allen-Bradley 1756-PB72\/R ControlLogix Redundant DC Power Supply Module","description":"\u003ch2\u003eAllen-Bradley 1756-PB72\/R ControlLogix Redundant DC Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for regulated DC backplane power conversion in ControlLogix chassis systems, the \u003cstrong\u003eAllen-Bradley 1756-PB72\/R\u003c\/strong\u003e (\u003cstrong\u003e1756-PB72\u003c\/strong\u003e Redundant DC Power Supply Module) provides direct physical\/electrical execution for redundant DC power distribution within ControlLogix platforms. The module accepts 19-32 VDC input and supplies regulated power to controllers, communication modules, and I\/O modules.\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-PB72\/R\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 Type\u003c\/td\u003e\n\u003ctd\u003eControlLogix Redundant DC Power Supply Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.54 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e140 x 78 x 145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax input power 120 W @ 50 deg C; 100 W @ 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e19-32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e75 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC, 3.3 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Capacity\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC @ 13 A, 3.3 VDC @ 4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current\u003c\/td\u003e\n\u003ctd\u003e20 A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 V continuous, reinforced insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eRedundant DC power supply configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen-style chassis mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eBulletin 1756 ControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control Platform Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PB72\/R supports ControlLogix backplane power requirements through regulated DC conversion and redundancy configuration capability. The module interfaces with the chassis power bus to supply operating voltage for processor modules, communication modules, and I\/O assemblies.\u003c\/p\u003e\n\u003cp\u003eThe ControlLogix platform uses backplane bus communication for module-to-module data exchange. Power supply selection and chassis loading must be considered when scaling I\/O density and communication module quantities within a single chassis configuration.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What input power source is required for the 1756-PB72\/R?\u003cbr\u003eA: The module accepts a nominal 24 VDC input with an operating range of 19-32 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum output capability of the module?\u003cbr\u003eA: The module provides up to 75 W maximum output power with regulated backplane power distribution.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module provide electrical isolation?\u003cbr\u003eA: Yes. The power input and backplane interface include 250 V continuous isolation with reinforced insulation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the module in the left-side power supply position of a compatible ControlLogix chassis. Verify chassis power loading before connecting controllers, communication modules, and I\/O modules.\u003c\/p\u003e\n\u003cp\u003eUse correctly rated DC supply wiring and maintain separation between power conductors and high-noise signal cables. Connect protective grounding according to cabinet grounding practices. Ensure cable routing minimizes electromagnetic interference coupling.\u003c\/p\u003e\n\u003cp\u003eFor redundant power configurations, verify the wiring arrangement and power supply status indication before applying system voltage. Confirm that the chassis and installed modules are compatible with the selected power supply configuration.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43624226521178,"sku":"1756-PB72\/R","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-PB751.jpg?v=1778048110","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-pb72-r-controllogix-redundant-dc-power-supply-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}