{"product_id":"allen-bradley-1794-oa16-flex-i-o-ac-digital-output-module","title":"Allen-Bradley 1794-OA16 FLEX I\/O AC Digital Output Module","description":"\u003ch2\u003eAllen-Bradley 1794-OA16 FLEX I\/O AC Digital Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1794-OA16\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1794-OA16\u003c\/strong\u003e FLEX I\/O AC Digital Output Module, operates as a dedicated hardware component for AC actuator signal switching within Allen-Bradley FLEX I\/O distributed I\/O networks.\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\u003e1794-OA16\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O AC Digital Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O 1794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e16 non-isolated AC digital outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e74 to 132 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Output Voltage\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Rating\u003c\/td\u003e\n\u003ctd\u003e4.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state Current\u003c\/td\u003e\n\u003ctd\u003e5 mA minimum per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state Voltage Drop\u003c\/td\u003e\n\u003ctd\u003e1.5 VAC maximum at 0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-state Leakage Current\u003c\/td\u003e\n\u003ctd\u003e2.25 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e120 V continuous, field to backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexBus Current\u003c\/td\u003e\n\u003ctd\u003e80 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e4.7 W maximum at 0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e16.1 BTU\/hr maximum at 0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.25 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e6.9 cm x 9.4 cm x 9.4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eOpen-type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Base Compatibility\u003c\/td\u003e\n\u003ctd\u003e1794-TBN, 1794-TBNF, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD, 1794-TBNK, 1794-TBNFK, 1794-TB3K, 1794-TB3SK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003e16 yellow field-side status indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeyswitch Position\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Current\u003c\/td\u003e\n\u003ctd\u003e7 A for 40 ms, repeatable every 8 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and FLEX I\/O Backplane Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1794-OA16 interfaces with FLEX I\/O adapters through the FLEXBus backplane connection. The module transfers output command data through the distributed I\/O architecture while maintaining an 80 mA backplane current requirement at 5 VDC. The FLEX I\/O platform supports Profinet \/ EtherNet\/IP deterministic networks through compatible adapter modules, allowing distributed output expansion based on system I\/O density requirements.\u003c\/p\u003e\n\u003cp\u003eThe module provides sixteen AC switching channels without channel-to-channel isolation. Field wiring is connected through compatible 1794 terminal bases, with terminal selection determined by installation requirements and application wiring configuration.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1794-OA16 provide isolation between individual output channels?\u003cbr\u003eA: No. The 1794-OA16 provides field-to-backplane isolation at 120 V continuous but does not provide isolation between individual output channels.\u003c\/p\u003e\n\u003cp\u003eQ: What terminal bases are compatible with the 1794-OA16 module?\u003cbr\u003eA: The module operates with multiple FLEX I\/O terminal bases including 1794-TBN, 1794-TBNF, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD, 1794-TBNK, 1794-TBNFK, 1794-TB3K, and 1794-TB3SK.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1794-OA16 be installed directly without a terminal base?\u003cbr\u003eA: No. The module requires a compatible FLEX I\/O terminal base for field-side electrical connections and DIN rail installation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module on a suitable DIN rail system with adequate mechanical support for the FLEX I\/O assembly.\u003c\/li\u003e\n\u003cli\u003eUse only compatible 1794 terminal bases to establish field wiring connections.\u003c\/li\u003e\n\u003cli\u003eRoute AC field wiring separately from low-level signal wiring to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eVerify field conductor sizing according to the selected terminal base specifications.\u003c\/li\u003e\n\u003cli\u003eConnect protective grounding according to the enclosure and control panel grounding requirements.\u003c\/li\u003e\n\u003cli\u003eConfirm that the external AC power supply matches the connected field device requirements before energizing outputs.\u003c\/li\u003e\n\u003cli\u003eMaintain correct module keyswitch positioning to prevent incorrect module substitution within the FLEX I\/O system.\u003c\/li\u003e\n\u003cli\u003eVerify output indicator operation after completing field wiring and network configuration checks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43778480275546,"sku":"1794-OA16","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1794-OA162.jpg?v=1785745756","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1794-oa16-flex-i-o-ac-digital-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}