{"product_id":"allen-bradley-1771-p5-dc-power-supply-module","title":"Allen-Bradley 1771-P5 DC Power Supply Module","description":"\u003ch2\u003eAllen-Bradley 1771-P5 DC Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for regulated 5 VDC backplane power delivery in PLC-5 Bulletin 1771 I\/O chassis systems, the \u003cstrong\u003eAllen-Bradley 1771-P5\u003c\/strong\u003e (\u003cstrong\u003e1771-P5\u003c\/strong\u003e DC Power Supply Module) provides direct physical\/electrical execution for chassis power distribution from a 24 VDC input source. The module converts DC input power into regulated backplane voltage for installed PLC and I\/O hardware.\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\u003e1771-P5\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.56 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e7.0 x 3.0 x 11.0 in (17.8 x 7.6 x 27.9 cm)\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\u003eInput power 57 W; input capacity 75 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDC Power Supply Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003ePLC-5 \/ Bulletin 1771\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e20.5-30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5.06 VDC +\/-3.8%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003eUp to 8 A at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Occupancy\u003c\/td\u003e\n\u003ctd\u003eTwo adjacent slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e2160 VDC for 1 s \/ 1500 V RMS for 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Rating\u003c\/td\u003e\n\u003ctd\u003e5 A, 32 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Loss Delay\u003c\/td\u003e\n\u003ctd\u003eAdjustable 13.6 ms +\/-3.6 ms or 60 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5-95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Cabling\u003c\/td\u003e\n\u003ctd\u003e1771-CT cable for parallel supply configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC-5 Backplane Power Distribution\u003c\/h3\u003e\n\u003cp\u003eThe 1771-P5 provides regulated 5 VDC power through the Bulletin 1771 chassis backplane interface. The module accepts a 24 VDC input supply and distributes DC power for PLC processors, I\/O modules, and communication modules installed in compatible chassis configurations.\u003c\/p\u003e\n\u003cp\u003eThe power supply module supports parallel connection with compatible units through 1771-CT cabling for increased current capacity. The design includes input voltage monitoring, output regulation, isolation circuitry, and shutdown signaling when input conditions fall outside operating limits.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What input voltage is required for the 1771-P5?\u003cbr\u003eA: The module operates from a 24 VDC input source with an allowable input range of 20.5-30 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: How much backplane current can the 1771-P5 provide?\u003cbr\u003eA: The module provides up to 8 A at 5 VDC for Bulletin 1771 chassis backplane power.\u003c\/p\u003e\n\u003cp\u003eQ: How many chassis slots does the 1771-P5 occupy?\u003cbr\u003eA: The module occupies two adjacent slots in a compatible 1771 I\/O chassis.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1771-P5 in the specified two-slot position of a compatible Bulletin 1771 chassis. Verify DC input polarity and voltage range before connecting field power wiring.\u003c\/p\u003e\n\u003cp\u003eUse appropriate conductor sizing for DC input connections and maintain separation between power wiring and low-level I\/O signal cables. Connect chassis grounding according to industrial control panel practices and ensure shielded signal cable drain wires are terminated according to system grounding requirements.\u003c\/p\u003e\n\u003cp\u003eWhen using parallel power supply configurations, confirm cable compatibility, supply matching, and total backplane current demand before energizing the chassis. Maintain airflow around the module to support operation within the specified temperature range.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43698860851290,"sku":"1771-P5","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1771-P4S2.jpg?v=1784690920","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1771-p5-dc-power-supply-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}