{"product_id":"allen-bradley-1756-pb72-c-controllogix-dc-power-supply-module","title":"Allen-Bradley 1756-PB72\/C ControlLogix DC Power Supply Module","description":"\u003ch2\u003eAllen-Bradley 1756-PB72\/C ControlLogix DC Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-PB72\/C\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-PB72\u003c\/strong\u003e ControlLogix DC Power Supply Module, operates as a dedicated hardware component for DC-to-DC power conversion within ControlLogix chassis platforms. It converts 18-32 VDC input into regulated backplane power for 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\/C\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eControlLogix DC Power Supply Module\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\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e18-32 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\u003eMaximum Input Power\u003c\/td\u003e\n\u003ctd\u003e95 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Inrush Current\u003c\/td\u003e\n\u003ctd\u003e30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC and 3.3 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC @ 13 A (50 deg C), 10 A (60 deg C); 3.3 VDC @ 4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Power\u003c\/td\u003e\n\u003ctd\u003e75 W at 0-60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-up Time\u003c\/td\u003e\n\u003ctd\u003e4 cycles @ 75 W, 5 cycles @ 60 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Isolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Type\u003c\/td\u003e\n\u003ctd\u003eBetween power input and backplane, reinforced insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.94 kg\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\u003e0-60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMaximum input power 95 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and ControlLogix Backplane Power Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PB72\/C provides regulated DC power conversion through the ControlLogix backplane interface. The module supports I\/O density scaling by supplying chassis voltage rails required by controllers, communication modules, and I\/O modules. The DC input design allows direct connection to industrial 24 VDC power sources while maintaining isolation between input power and backplane circuits.\u003c\/p\u003e\n\u003ch3\u003eFirmware Flash Compatibility and ControlLogix Platform Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PB72\/C functions as a power supply hardware module and does not execute application firmware or communication protocols. System compatibility depends on ControlLogix chassis configuration, installed module power requirements, and backplane loading calculations. The module integrates with ControlLogix platforms through the standard backplane bus architecture.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What DC input range is supported by the 1756-PB72\/C?\u003cbr\u003eA: The module accepts 18-32 VDC input with a nominal input voltage of 24 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum output power rating of the 1756-PB72\/C?\u003cbr\u003eA: The module provides up to 75 W output power at 0-60 deg C for ControlLogix chassis power requirements.\u003c\/p\u003e\n\u003cp\u003eQ: What isolation is provided between circuits in the 1756-PB72\/C?\u003cbr\u003eA: The module provides 250 V continuous isolation between the power input and backplane using reinforced insulation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-PB72\/C in the designated ControlLogix chassis power supply position and verify DC supply polarity before energizing the system. Confirm the chassis power budget includes the requirements of all installed controllers, communication modules, and I\/O modules.\u003c\/p\u003e\n\u003cp\u003eRoute DC power wiring separately from low-level analog signal cables and communication wiring to reduce electromagnetic interference. Maintain proper cabinet grounding and ensure the open-style module is installed within a suitable protective enclosure. Verify backplane connections and input wiring before commissioning.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43624217477210,"sku":"1756-PB72\/C","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-PB72.jpg?v=1779083747","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-pb72-c-controllogix-dc-power-supply-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}