{"product_id":"allen-bradley-1794-oe12-a-flex-i-o-analog-output-module","title":"Allen-Bradley 1794-OE12\/A FLEX I\/O Analog Output Module","description":"\u003ch2\u003eAllen-Bradley 1794-OE12\/A FLEX I\/O Analog Output Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for digital-to-analog signal execution in the FLEX I\/O system, the \u003cstrong\u003eAllen-Bradley 1794-OE12\/A\u003c\/strong\u003e (\u003cstrong\u003e1794-OE12\u003c\/strong\u003e Analog Output Module) provides direct physical\/electrical execution through 12 single-ended analog output channels.\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-OE12\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\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\u003e100 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e46 x 94 x 53 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax. 4.0 W at 31.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eHigh-Density Analog Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e12 single-ended analog outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit digital-to-analog conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Range\u003c\/td\u003e\n\u003ctd\u003e0 to 20 mA, 4 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e+\/-10 V, 0 to 10 V, +\/-5 V, 0 to 5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Rate\u003c\/td\u003e\n\u003ctd\u003e1.0 ms for all channels\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\u003eExternal Power Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal (10.5 to 31.2 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Current Consumption\u003c\/td\u003e\n\u003ctd\u003e280 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V continuous, tested at 850 VDC for 1 s (Output to FlexBus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Base Units\u003c\/td\u003e\n\u003ctd\u003e1794-TB3G, 1794-TB3GS\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 Signal Processing\u003c\/h3\u003e\n\u003cp\u003eThe 1794-OE12\/A operates as a FLEX I\/O analog output interface between controller data and field-level analog devices. The module receives digital values through the FLEX I\/O communication bus and converts them into configured current or voltage output signals through individual DAC channels.\u003c\/p\u003e\n\u003cp\u003eThe Allen-Bradley FLEX I\/O architecture supports modular I\/O density scaling through terminal base installation. The 1794-OE12\/A maintains channel-level configuration parameters and provides LED status indication for module power and operating diagnostics.\u003c\/p\u003e\n\u003ch3\u003eFirmware Flash Compatibility and I\/O Configuration\u003c\/h3\u003e\n\u003cp\u003eThe module configuration is controlled through the FLEX I\/O system environment. Channel output ranges, signal types, and diagnostic states are defined through controller software configuration. Replacement modules require compatible hardware revision and configuration parameters to maintain existing application operation.\u003c\/p\u003e\n\u003cp\u003eThe 16-bit DAC architecture provides channel output control with current drive capability up to 750 ohm loads and voltage operation with minimum 2 kohm loads.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1794-OE12\/A module be replaced without disconnecting field wiring?\u003cbr\u003eA: The module supports hot-swappable replacement when installed on a compatible FLEX I\/O terminal base. Field wiring remains connected through the terminal base assembly.\u003c\/p\u003e\n\u003cp\u003eQ: What is the backplane current requirement of this analog output module?\u003cbr\u003eA: The module requires 80 mA from the FLEX I\/O 5 VDC backplane supply.\u003c\/p\u003e\n\u003cp\u003eQ: Which analog output signals can be configured on the module?\u003cbr\u003eA: The module supports configurable current outputs of 0 to 20 mA and 4 to 20 mA, and voltage outputs of +\/-10 V, 0 to 10 V, +\/-5 V, and 0 to 5 V.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1794-OE12\/A on a compatible FLEX I\/O terminal base unit before connecting field conductors. Verify that the terminal base wiring matches the configured analog signal type before energizing the module.\u003c\/p\u003e\n\u003cp\u003eSeparate analog signal wiring from high-current power conductors and switching circuits to reduce electrical interference. Use shielded instrumentation cable where required by the installation design, and terminate cable shields according to the site grounding standard.\u003c\/p\u003e\n\u003cp\u003eConfirm the external 24 VDC supply polarity and grounding arrangement before applying power. Check controller configuration, channel scaling, and output range settings before connecting field devices to the analog outputs.\u003c\/p\u003e\n\u003cp\u003eMaintain proper cabinet spacing and environmental conditions within the specified operating temperature range. Ensure terminal connections are mechanically secured and protected from vibration exposure.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43782601113690,"sku":"1794-OE12\/A","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1794-OE121.jpg?v=1785748781","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1794-oe12-a-flex-i-o-analog-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}