{"product_id":"allen-bradley-1756-pb75-b-controllogix-dc-power-supply-module","title":"Allen-Bradley 1756-PB75\/B ControlLogix DC Power Supply Module","description":"\u003ch2\u003eAllen-Bradley 1756-PB75\/B ControlLogix DC Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for regulated chassis power conversion in ControlLogix systems, the \u003cstrong\u003eAllen-Bradley 1756-PB75\/B\u003c\/strong\u003e (\u003cstrong\u003e1756-PB75\u003c\/strong\u003e DC Power Supply Module) provides direct electrical execution for generating backplane voltage rails from a 24 VDC input source. The module supplies 1.2 VDC, 3.3 VDC, 5.1 VDC, and 24 VDC outputs for installed ControlLogix 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\/B\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\u003e1.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e140 x 114 x 147 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\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 B and 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\u003eIndustrial Control Backplane Power Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PB75\/B operates as a ControlLogix chassis power conversion module, supplying regulated DC rails through the backplane bus. The module supports I\/O density scaling by providing defined current capacity for multiple installed controller, communication, and I\/O modules.\u003c\/p\u003e\n\u003cp\u003eThe power supply architecture supports ControlLogix system expansion by maintaining separate voltage outputs for different backplane loads. The unit interfaces with the chassis backplane without executing application logic functions and is configured as the primary DC power source for compatible rack assemblies.\u003c\/p\u003e\n\u003cp\u003eFirmware flash compatibility is maintained within the ControlLogix hardware platform, allowing the power supply module to operate with supported chassis configurations without affecting controller application firmware functions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What voltage input is required for the 1756-PB75\/B?\u003cbr\u003eA: The module requires a 24 VDC nominal input and supports an input range of 18 to 32 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: Which backplane voltages are provided by the 1756-PB75\/B?\u003cbr\u003eA: The module generates regulated 1.2 VDC, 3.3 VDC, 5.1 VDC, and 24 VDC backplane voltage outputs.\u003c\/p\u003e\n\u003cp\u003eQ: Where is the 1756-PB75\/B installed in a ControlLogix chassis?\u003cbr\u003eA: The module is installed on the left side of compatible 1756 chassis assemblies.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-PB75\/B in the designated left-side power supply position of the compatible ControlLogix chassis. Confirm the chassis model and module placement before applying input power.\u003c\/p\u003e\n\u003cp\u003eConnect the 24 VDC supply using the specified copper conductors and verify correct polarity at the power terminals. Route DC power wiring separately from high-voltage circuits and switching loads to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eApply standard industrial cabinet grounding practices. Where shielded cables are used, terminate shields according to the control panel grounding design. Verify total chassis power demand against the power supply output capability before system startup.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43627632394330,"sku":"1756-PB75\/B","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-PB75.jpg?v=1778048110","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-pb75-b-controllogix-dc-power-supply-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}