{"product_id":"1769-pb2-allen-bradley-compactlogix-dc-power-supply","title":"1769-PB2 Allen-Bradley CompactLogix DC Power Supply","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-PB2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-efficiency\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDC power supply module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley CompactLogix\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMicroLogix 1500\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eplatforms. It provides crucial power distribution for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eexpansion I\/O modules\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhen the controller's internal power is exceeded. The module can power up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 I\/O modules\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(8 on each side), supporting both 5V DC and 24V DC backplane power.\u003c\/p\u003e\n\u003cp\u003eOperating on a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24V DC input\u003c\/strong\u003e, it converts field power to regulated 5V DC and 24V DC. It is built for industrial resilience with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einrush current capacity\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efuse protection\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto safeguard downstream modules from electrical surges. Its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecompact, fanless design\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis ideal for tight spaces, and it can be mounted\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003evertically or horizontally\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon DIN rails or panels.\u003c\/p\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1769-PB2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExpansion I\/O Power Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19.2V DC to 31.2V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current (Backplane)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0 A @ 5V DC, 0.8 A @ 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 VA @ 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.5 W @ 60°C (140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInrush Current Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 A @ 31.2V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExpansion Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupports up to 8 modules per side (16 total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated fuse (Wickmann 19193-6.3A or Littelfuse 021706.3MXP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e118 x 70 x 87 mm (4.65 x 2.76 x 3.43 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.52kg\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIndustrial Application Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-PB2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis commonly used in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edistributed I\/O systems\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhere I\/O modules are located far from the main controller or in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esecondary I\/O banks\u003c\/strong\u003e. It is especially valuable in systems with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-density analog modules\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003especialty modules\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequiring significant backplane current, ensuring stable voltage across the entire bus.\u003c\/p\u003e\n\u003ch3\u003eEngineering FAQ\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this power supply be used as the primary power for a CompactLogix CPU?\u003c\/strong\u003e\u003cbr\u003eNo, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-PB2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eexpansion I\/O power supply\u003c\/strong\u003e. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eL3 series processors\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequire a dedicated power supply (e.g.,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-PA2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePB2\u003c\/strong\u003e) depending on rack configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it provide isolation between the input and the backplane?\u003c\/strong\u003e\u003cbr\u003eYes, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-PB2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoffers\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ereinforced insulation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebetween the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24V DC input\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebackplane\u003c\/strong\u003e, ensuring field noise does not affect the controller’s operations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the internal fuse blows?\u003c\/strong\u003e\u003cbr\u003eIf the fuse blows, the module will stop providing power to the backplane, causing the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econnected I\/O modules\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto go offline. The fuse is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003euser-replaceable\u003c\/strong\u003e, but a blown fuse may indicate a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eshort circuit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoverloaded power budget\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edownstream.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":48746759127292,"sku":"1769-PB2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/1769-PB2_a9f9fa97-a227-4560-954b-9a6dfc4117ce.jpg?v=1772175918","url":"https:\/\/www.electronicplc.com\/products\/1769-pb2-allen-bradley-compactlogix-dc-power-supply","provider":"Electronic PLC","version":"1.0","type":"link"}