{"product_id":"allen-bradley-1756-pb75-c-controllogix-dc-power-supply-module","title":"Allen-Bradley 1756-PB75\/C ControlLogix DC Power Supply Module","description":"\u003ch2\u003eAllen-Bradley 1756-PB75\/C ControlLogix DC Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-PB75\/C\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-PB75\u003c\/strong\u003e DC Power Supply Module, operates as a dedicated hardware component for regulated DC power conversion within ControlLogix chassis platforms. The module converts 24 VDC input power into multiple backplane voltage outputs for installed controller, communication, 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-PB75\/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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.16 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e140 x 112 x 145 mm\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\u003e95 W maximum input power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eControlLogix DC Power Supply Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal, 18 to 32 VDC range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Power\u003c\/td\u003e\n\u003ctd\u003e75 W at 0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Voltages\u003c\/td\u003e\n\u003ctd\u003e1.2 VDC, 3.3 VDC, 5.1 VDC, 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Capacity\u003c\/td\u003e\n\u003ctd\u003e1.5 A at 1.2 VDC, 4 A at 3.3 VDC, 13 A at 5.1 VDC, 2.8 A at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-up Time\u003c\/td\u003e\n\u003ctd\u003e35 ms at 18 VDC, 40 ms at 24 VDC and 32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Inrush Current\u003c\/td\u003e\n\u003ctd\u003e30 A peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage 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\u003eChassis Compatibility\u003c\/td\u003e\n\u003ctd\u003e1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 Series C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Location\u003c\/td\u003e\n\u003ctd\u003eLeft side of ControlLogix chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Requirement\u003c\/td\u003e\n\u003ctd\u003e2.5 mm2 copper wire, insulation thickness \u0026lt;= 1.2 mm, torque 0.8 N.m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Test\u003c\/td\u003e\n\u003ctd\u003eReinforced insulation tested at 3500 VDC for 60 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign Format\u003c\/td\u003e\n\u003ctd\u003eOpen-style rack mount power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication and I\/O Density Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PB75\/C provides regulated DC rails through the ControlLogix backplane bus architecture. The module supports I\/O density scaling by distributing defined voltage levels to multiple chassis modules while maintaining separation between external field power input and internal backplane power distribution.\u003c\/p\u003e\n\u003cp\u003eThe power supply module operates as a chassis-level power source and does not execute application logic. Its electrical output supports ControlLogix processor modules, communication modules, and I\/O modules installed within compatible chassis configurations.\u003c\/p\u003e\n\u003cp\u003eThe module is compatible with ControlLogix hardware platform firmware flash procedures and maintains electrical compatibility with supported chassis assemblies.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What input voltage range is supported by the 1756-PB75\/C?\u003cbr\u003eA: The module accepts 24 VDC nominal input with an operating range of 18 to 32 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: Which ControlLogix chassis configurations support the 1756-PB75\/C?\u003cbr\u003eA: The module supports 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17 Series C chassis configurations.\u003c\/p\u003e\n\u003cp\u003eQ: What voltage rails are supplied to the ControlLogix backplane?\u003cbr\u003eA: The module provides regulated 1.2 VDC, 3.3 VDC, 5.1 VDC, and 24 VDC backplane outputs.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-PB75\/C on the left side of the compatible ControlLogix chassis and verify chassis power requirements before operation. Connect the 24 VDC input using specified copper wiring and confirm correct polarity at the terminal connection.\u003c\/p\u003e\n\u003cp\u003eRoute DC supply wiring separately from high-voltage conductors and switching circuits to reduce electromagnetic interference. Maintain proper cabinet grounding practices and apply shield termination methods according to the control system grounding design.\u003c\/p\u003e\n\u003cp\u003eBefore commissioning, calculate total chassis power loading from all installed modules and verify that the required backplane current remains within the power supply output capacity.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43627633410138,"sku":"1756-PB75\/C","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-PB752.jpg?v=1778048110","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-pb75-c-controllogix-dc-power-supply-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}