{"product_id":"allen-bradley-1794-ps1-flex-i-o-power-supply-module","title":"Allen-Bradley 1794-PS1 FLEX I\/O Power Supply Module","description":"\u003cp\u003eConfigured for AC-to-DC power conversion and system power distribution in FLEX I\/O platforms, the \u003cstrong\u003eAllen-Bradley 1794-PS1\u003c\/strong\u003e (\u003cstrong\u003e1794-PS1\u003c\/strong\u003e Power Supply Module) provides direct physical\/electrical execution.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e1794-PS1\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\u003e0.40 lbs (0.18 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard FLEX I\/O power supply module profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard Allen-Bradley industrial operating range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e120-230 VAC input (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard FLEX I\/O power supply backplane load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e0.7 A max at 120 VAC \/ 0.4 A max at 230 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail mountable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Deterministic Power Stability\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1794-PS1 provides regulated 24 VDC field and bus power necessary to sustain high-velocity backplane bus communication across local I\/O expansion racks. By stabilizing line voltage variations and filtering AC utility transients, the module maintains power integrity for attached FLEX I\/O communication adapters and discrete\/analog modules operating on EtherNet\/IP deterministic networks, preventing logic drops during firmware flash execution or full-density I\/O switching.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What AC input voltage range does the 1794-PS1 accept?\u003c\/p\u003e\n\u003cp\u003eA: The 1794-PS1 operates on a nominal input range of 120-230 VAC at 50\/60 Hz, with a maximum current draw of 0.7 A at 120 VAC and 0.4 A at 230 VAC.\u003c\/p\u003e\n\u003cp\u003eQ: How does the 1794-PS1 deliver power to adjacent FLEX I\/O modules?\u003c\/p\u003e\n\u003cp\u003eA: The module mounts directly on the DIN rail alongside the FLEX I\/O adapter and distributes 24 VDC output power through internal wiring connections to the terminal bases.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the 1794-PS1 module onto a standard 35 mm DIN rail adjacent to the FLEX I\/O communication adapter before applying line power.\u003c\/li\u003e\n\u003cli\u003eEstablish a low-impedance ground connection between the enclosure main grounding bar and the DIN rail assembly.\u003c\/li\u003e\n\u003cli\u003eTerminate incoming 120-230 VAC power conductors at the designated terminal block, ensuring adequate branch circuit protection is installed upstream.\u003c\/li\u003e\n\u003cli\u003eKeep AC power supply input lines physically separated from low-voltage 24 VDC wiring and communication trunks inside the enclosure.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52790058352920,"sku":"1794-PS1","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/screenshot_2026-09-30_09-36-38_Cocoai_b5ec1ecc-ed49-40e4-85d9-05b8da3090c7.jpg?v=1790733781","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-1794-ps1-flex-i-o-power-supply-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}