{"product_id":"1794-oa8i-allen-bradley-flex-i-o-digital-output-module","title":"1794-OA8I Allen-Bradley FLEX I\/O Digital Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1794-OA8I\u003c\/strong\u003e serves as the primary \u003cstrong\u003e1794-OA8I\u003c\/strong\u003e Digital Output Module utilized to execute isolated alternating current discrete switching operations across FLEX I\/O platforms.\u003c\/p\u003e\n\u003ch3\u003eModel Nomenclature \u0026amp; Array Structure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1794\u003c\/strong\u003e: Designates the distributed modular hardware platform architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOA\u003c\/strong\u003e: Specifies the alternating current (AC) solid-state switching electronic circuit variant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8\u003c\/strong\u003e: Defines the availability of exactly 8 discrete output points on the interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\u003c\/strong\u003e: Identifies the individual channel-to-channel electrical isolation variant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e: Identifies the functional series revision history for physical layer components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical \u0026amp; Mechanical Parameters\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-OA8I\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\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e10.2 x 5.1 x 5.1 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e120 VAC nominal output voltage (50\/60 Hz frequency rating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eIndividually isolated AC discrete outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoint Density\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP20 open-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Base\u003c\/td\u003e\n\u003ctd\u003eDIN-rail mounting compatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Subsystems and Backplane Scaling\u003c\/h3\u003e\n\u003cp\u003eThe circuit routes switching states over local backplane networks while matching baseline requirements for I\/O density scaling. When combined with EtherNet\/IP or ControlNet interface adapters, the hardware executes discrete command arrays while keeping backplane bus communication velocity stable across multi-chassis industrial control drops.\u003c\/p\u003e\n\u003ch3\u003ePackage Component List\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 1794-OA8I FLEX I\/O Isolated AC Output Module\u003c\/li\u003e\n\u003cli\u003e1 x Printed Factory Installation Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Layout and Wiring Protocols\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN-Rail Terminal Placement\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eRotate the mechanical key switch on the matching terminal base unit to the position specified in the technical manual before executing installation.\u003c\/li\u003e\n\u003cli\u003eAlign the mounting guides and slide the housing firmly onto the base interface until the integrated side latching mechanisms capture the module.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Separation Rules\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eRoute the 120 VAC isolated power loops away from the low-voltage DC communication links inside the wire trunking systems.\u003c\/li\u003e\n\u003cli\u003eMaintain distinct segregation between individual channel output lines to protect against inductive interference cross-talk.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Maintenance FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this solid-state module support hot-swap removal and insertion under power (RIUP)?\u003c\/p\u003e\n\u003cp\u003eYes, RIUP capability can be safely utilized when the device is deployed inside a non-hazardous field enclosure environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum logic current load drawn from the internal backplane bus?\u003c\/p\u003e\n\u003cp\u003eThe internal processing logic requires a current maximum of 80 mA drawn directly from the 5 VDC backplane power rail.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat happens to the switching status of the output circuits if the master processor loses connection?\u003c\/p\u003e\n\u003cp\u003eThe output states drop down to their default off position or follow predefined safe state controller parameters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs it possible to switch direct current loads using this isolated output module?\u003c\/p\u003e\n\u003cp\u003eNo, the solid-state switching configuration is designed strictly for alternating current voltage waveforms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the main benefit of the structural channel-to-channel isolation feature?\u003c\/p\u003e\n\u003cp\u003eThe individual channel isolation allows each output point to utilize a distinct AC power source or phase reference without cross-interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the peak electrical isolation value between individual output channels?\u003c\/p\u003e\n\u003cp\u003eThe integrated electrical isolation layer is tested and rated to withstand up to 120 VAC continuous protection between channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the electronic module layout manage short-duration surge currents from heavy inductive loads?\u003c\/p\u003e\n\u003cp\u003eThe internal circuit allows for a brief surge current rating to accommodate solenoids and motor starters within standard factory limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan this hardware assembly operate correctly in sub-zero industrial storage settings?\u003c\/p\u003e\n\u003cp\u003eUnpowered storage parameters allow for temperature extremes ranging from -40 to +85 deg C without risking board failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066457542829,"sku":"1794-OA8I","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1794-OA8I3.jpg?v=1784211627","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1794-oa8i-allen-bradley-flex-i-o-digital-output-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}