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1794-OE12

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Allen-Bradley 1794-OE12 provides twelve high-density, 16-bit analog outputs with field-power, wire-off, and safe-state status in FLEX I/O.
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Technical specifications for 1794-OE12

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1794-OE12
  • Product Family:
    Flex I/O
  • Product Type:
    FLEX I/O 12-Point Analog Output Module
  • Stock:
    1
  • Analog outputs:
    12 single-ended, nonisolated channels
  • Output ranges:
    0...20 mA, 4...20 mA, or +10 V
  • Resolution:
    16 bits
  • Terminal bases:
    1794-TB3G, TB3GS, TB3GK, or TB3GSK
  • External supply:
    24 V DC nominal
  • Status:
    Wire off, field power fault, and general fault
  • Safe state:
    Value, reset, or hold selection
  • Operating temperature:
    -20...+60 °C
  • Enclosure:
    Open style
  • Weight:
    0.106 kg
  • Estimated shipping dimensions:
    4.6 x 9.4 x 5.4 cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Singapore
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Channel Pairs Power Check Fault Check Product Applications

Features:

  • Dense analog station: twelve output channels in one FLEX I/O module
  • Shared fault visibility: wire-off, field-power, and general status
  • Grounded base design: dedicated TB3G-family termination and shielding
1794-OE12 reduces module count where many analog final elements are concentrated at one remote station.

Its engineering distinction is the combination of high channel density, grouped configuration, and station-level power diagnostics.

The accepted build should link channel pairs, field supply, grounded terminal base, shields, safe states, and test results.

Apter Power can coordinate official-document review, quotation, and sourcing support for 1794-OE12.
1794-OE12 FLEX I/O 12-Point Analog Output Module Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Device mapping: place compatible signal requirements in the documented adjacent pairs.
  • Range record: preserve the selected mode with the controller word map.
  • Change control: retest both affected channels when a paired setting is altered.
  • Grounded base: use an approved TB3G-family terminal assembly.
  • Supply separation: do not extend an unreviewed digital-base power chain into the analog base.
  • Status first: examine field-power fault data before tracing multiple channel loops.
  • Wire-off flags: identify the affected current-loop channels.
  • General fault: compare module status with supply and configuration information.
  • Fallback check: verify safe-state behavior for every connected final element.
  • Multi-loop process skids: command numerous analog final elements from one station.
  • Concentrated drive references: distribute qualified analog setpoints with a shared diagnostic image.
  • Remote control panels: reduce module count where twelve analog outputs are required.
Description
1794-OE12 is a twelve-channel FLEX I/O analog output module for applications that need dense current or voltage command capacity. The module uses a grounded TB3G-family terminal base and returns both output and diagnostic data to the controller.

With 1794-OE12, adjacent channels share documented configuration grouping while wire-off, field-power, and general-fault information help isolate station-level problems. Safe-state selection defines the commanded behavior when the controlling system changes state.

Panel approval for 1794-OE12 should be based on the complete twelve-channel terminal schedule and the official analog-power segregation rules. Confirm the grounded base, shield treatment, load limits, and controller word map before field outputs are released.
Revisions

Revision Part #

Also known as

1794-OE12 Series A
1794-OE12/A, Series A
Alternative Names
Allen-Bradley FLEX I/O OE12 Rockwell 1794 OE12 High-Density Output 1794OE12 twelve-channel analog module FLEX I/O 16-bit output station
Technical notes
Loss of 24 V DC field power on 1794-OE12 can produce several channel symptoms at once. Check the field-power status before opening individual loops, keep the grounded analog base separate from unreviewed digital power chains, and prove each configured safe-state response under a controlled load after supply restoration.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why can several 1794-OE12 wire-off bits appear at the same time?
A common field-power problem or grouped wiring issue can affect multiple channels; review field-power and general-fault status before opening every loop.
What should be reviewed before rearranging channel assignments on 1794-OE12?
Check the paired range configuration, terminal schedule, controller word map, safe-state values, shield connections, and the compatibility of each connected load.
How can 1794-OE12 power wiring create faults in nearby modules?
An improper daisy-chain between analog and digital bases can disturb power and grounding; follow the official segregation and grounded-base instructions for the complete station.
What proves that a replaced 1794-OE12 channel is ready for service?
Command representative low and high values, measure the field signal, verify status and fallback behavior, and observe the final element under the approved process condition.
Why should 1794-OE12 shield terminations be documented per channel?
A high-density base makes shared cabinet routing easy to confuse; consistent shield and chassis-ground records help prevent noise and speed later loop diagnosis.
Which records should accompany a 1794-OE12 spare request?
Provide complete nameplates, Series, grounded-base catalog, channel and load schedule, supply arrangement, condition, quantity, destination, and required date.