{"product_id":"allen-bradley-1794-oe12-flex-i-o-12-point-analog-output-module","title":"Allen-Bradley 1794-OE12 FLEX I\/O 12-Point Analog Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1794-OE12\u003c\/strong\u003e is a high-density analog output module designed for the \u003cstrong\u003eFLEX I\/O\u003c\/strong\u003e distributed I\/O platform. This hardware component functions as a multi-channel signal generator that converts digital data words from a central system controller into standardized analog current or voltage outputs. Operating at high channel density, the unit provides twelve single-ended output paths within a narrow modular layout, reducing physical footprint requirements inside remote electrical control panels.\u003c\/p\u003e\n\u003cp\u003eConfigurable per channel, the device drives variable-speed motor controllers, proportional control valves, industrial actuators, and chart recorders across distributed networks. The \u003cstrong\u003e1794-OE12\u003c\/strong\u003e interfaces with host programmable automation controllers via local \u003cstrong\u003eFLEX I\/O\u003c\/strong\u003e adapters communicating over \u003cstrong\u003eEtherNet\/IP\u003c\/strong\u003e, \u003cstrong\u003eControlNet\u003c\/strong\u003e, or \u003cstrong\u003eDeviceNet\u003c\/strong\u003e system networks. The module plugs directly into standard pre-wired terminal base units, securing backplane connections to the FlexBus automatically for reliable use in water treatment systems, chemical processing, paper mills, and material manipulation facilities.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwelve high-density single-ended analog output channels for optimized panel space utilization.\u003c\/li\u003e\n\u003cli\u003eSelectable channel configurations for standard 0 to 20 mA current loops or +\/-10V voltage signals.\u003c\/li\u003e\n\u003cli\u003eSupport for Removal and Insertion Under Power (RIUP) allowing hardware swaps without disabling network operations.\u003c\/li\u003e\n\u003cli\u003e12-bit digital-to-analog converter resolution delivering precise control steps for field equipment.\u003c\/li\u003e\n\u003cli\u003eIntegrated diagnostic verification registers continuously mapping circuit parameters over the local backplane.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProportional valve positioning and pneumatic actuator signal throttling.\u003c\/li\u003e\n\u003cli\u003eVariable frequency drive speed reference signal distribution.\u003c\/li\u003e\n\u003cli\u003eIndustrial process variable mirroring and paper mill line speed adjustments.\u003c\/li\u003e\n\u003cli\u003eMulti-channel analog metering panel instrument drive loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical 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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation \/ Allen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1794-OE12\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 Channels, Single-Ended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Ranges\u003c\/td\u003e\n\u003ctd\u003e0 to 20 mA, 4 to 20 mA, +\/-10V, 0 to 10V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Resolution\u003c\/td\u003e\n\u003ctd\u003e12-bit (320 uV\/count Voltage, 4.88 uA\/count Current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Absolute Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.1% Full Scale at 25 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Accuracy Drift\u003c\/td\u003e\n\u003ctd\u003e0.004% Full Scale per degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Power Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e24V DC Nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Power Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10.0V DC to 31.2V DC (includes 5% AC ripple)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Power Current Load\u003c\/td\u003e\n\u003ctd\u003e320 mA at 24V DC, 720 mA at 10V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexBus Current Draw\u003c\/td\u003e\n\u003ctd\u003e80 mA at 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Power Dissipation\u003c\/td\u003e\n\u003ctd\u003e4.0 W at 31.2V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Thermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e4.7 BTU\/hour at 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Resistive Load (Current)\u003c\/td\u003e\n\u003ctd\u003e750 ohms at 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Resistive Load (Voltage)\u003c\/td\u003e\n\u003ctd\u003e3.3 kilohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Output Current Load\u003c\/td\u003e\n\u003ctd\u003e3 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 55 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Vibration\u003c\/td\u003e\n\u003ctd\u003e5 g at 10 to 500 Hz per IEC 68-2-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e30 g peak acceleration, 11 ms pulse width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.10 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e94.0 mm x 94.0 mm x 53.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTerminal Connection Node (1794-TB3G)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction \/ Channel Allocation\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal 0 to Terminal 11\u003c\/td\u003e\n\u003ctd\u003eAnalog Output Signal Pins for Channels 0 through 11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal 16 to Terminal 27\u003c\/td\u003e\n\u003ctd\u003eAnalog Signal Return Common Paths (Return 0 to Return 11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal 36 \/ 37\u003c\/td\u003e\n\u003ctd\u003eExternal +24V DC Primary Operational Power Intake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal 38 \/ 39\u003c\/td\u003e\n\u003ctd\u003eExternal DC Power Common Return Reference Nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003ch3\u003eDIN Rail Installation\u003c\/h3\u003e\n\u003cp\u003eHook the upper tracking slots on the back panel of the module housing onto the upper lip of standard 35 mm DIN tracking. Apply uniform downward and inward physical force until the spring-loaded lower metal retention tab snaps shut behind the bottom rail track.\u003c\/p\u003e\n\u003ch3\u003eTerminal Base Insertion\u003c\/h3\u003e\n\u003cp\u003eAlign the built-in structural plastic guide lines on the bottom interface of the operational module with the receiving socket grooves on the pre-wired terminal base unit (such as a 1794-TB3G or 1794-TB3GS). Push the electronic component directly into the interface socket until the latch ears click outward to lock it into place.\u003c\/p\u003e\n\u003ch3\u003eField Signal Cable Shielding\u003c\/h3\u003e\n\u003cp\u003eExecute all field loop connections using individual twisted shielded-pair instrumentation cables. Ground the overall copper braided drain shield wire at the functional chassis grounding terminals built into the terminal base assembly; do not ground both ends of the shield to prevent ground loops.\u003c\/p\u003e\n\u003ch3\u003eCable Routing Constraints\u003c\/h3\u003e\n\u003cp\u003eIsolate the low-voltage direct current analog output signaling cables away from electrical supply lines, direct current motor conductors, variable speed drive links, and inductive relay lines inside cabinet conduits to eliminate high-frequency noise injection.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat types of analog output parameters can this module generate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt can be software-configured to generate standard current metrics like 4 to 20 mA and 0 to 20 mA, or voltage limits like 0 to 10V and +\/-10V.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this device provide separate channel-to-channel electrical isolation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the twelve independent output circuits are single-ended and reference a shared internal signal common line.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit be replaced while the system backplane remains powered?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it features removal and insertion under power attributes, allowing live field swaps without interrupting logic communication blocks on adjacent rail slots.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich terminal base assemblies are approved for use with this device?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is engineered to be mounted on multi-point grounded terminal base blocks, specifically the 1794-TB3G or 1794-TB3GS units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens to the output signals if communication with the controller drops?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module can be configured via software to either hold its last valid output state or clear to a specific safe value when a network error occurs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs an external power supply connection required to run this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, a nominal 24V DC external power supply loop must be run to the terminal base block to drive the internal digital-to-analog conversion circuits and power the field loops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the continuous analog conversion resolution of the channels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit converts internal logic registers into physical field outputs using a standard 12-bit digital-to-analog matrix structure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the front-facing LED status indicators communicate to an engineer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe light indicators provide real-time status diagnostics for the main operational state of the module and indicate external power availability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum electrical resistance threshold when operating in current mode?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe current loops can drive external loops with a total circuit resistive load up to a maximum parameter of 750 ohms at 24V DC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow are the independent channel measurement parameters adjusted?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe required operational mode, range select values, and default state attributes are configured using the host PLC programming software environment.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695173661035,"sku":"1794-OE12","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1794-oe12-analog-output-module-1erdnvbl33l_191ad91a-97d9-42b5-b804-0cbb06abd36f.jpg?v=1766114142","url":"https:\/\/www.plcprotech.com\/vi\/products\/allen-bradley-1794-oe12-flex-i-o-12-point-analog-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}