What system function does 1794-OE4XT provide?

1794-OE4XT is the flex i/o four-channel analog output module used in the documented Allen-Bradley FLEX I/O analog system arrangement. It converts four controller output words into independent voltage or current commands for compatible field devices on a FLEX I/O station.

Which host hardware must be checked before installing 1794-OE4XT?

Confirm the exact Allen-Bradley FLEX I/O analog system host, assigned position, mating connectors and companion hardware against the controlling manufacturer record for 1794-OE4XT.

What wiring or connector record is required before replacing 1794-OE4XT?

Record every connector identifier, terminal, conductor, polarity, shield, jumper and channel or node assignment before removal.

How should power be isolated for 1794-OE4XT?

Follow the equipment-specific isolation procedure, remove applicable control and field energy, discharge stored energy and prove the required safe state before touching the module.

Which configuration should be restored after replacing 1794-OE4XT?

Restore only the approved project, parameters, addresses and channel assignments retained from the installed system record; do not copy settings from a different catalog number.

How should engineers commission 1794-OE4XT?

Energize in the documented sequence, review device and host diagnostics, test the intended input, output or communication path under controlled conditions and retain the results.

Can 1794-OE4XT be replaced by a visually similar module?

A substitute requires an explicit manufacturer-supported match for the complete 1794-OE4XT catalog identity, host platform, interface, ratings and configuration.

What maintenance evidence should be retained for 1794-OE4XT?

Keep the as-found connection record, installed position, software or parameter revision, diagnostic state and signed functional-test result.

1794-OE4XT

Name: 1794-OE4XT
Brand: Allen-Bradley
SKU: 1794-OE4XT

FLEX I/O four-channel analog output module

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

Allen-Bradley 1794-OE4XT is flex i/o four-channel analog output module. It converts four controller output words into independent voltage or current commands for compatible field devices on a FLEX I/O station.

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Technical specifications for 1794-OE4XT

Manufacturer:

Allen-Bradley
Product Category:

PLC Systems
Spare Part Number:

1794-OE4XT
Estimated shipping dimensions:

9.3x5.3x4.8cm
Weight:

0.1 kg
Tariff Code:

8537101190
Counliy of origin:

USA
Analog outputs:

4 single-ended, non-isolated
Voltage output range:

+/-10 V
Current output range:

0-20 mA
Voltage resolution:

2.56 mV/count
Current resolution:

5.13 uA/count
Voltage output load:

3 mA maximum
Current output load:

15-750 ohm at 24 V DC
Data format:

16-bit two's complement, left justified
External supply:

24 V DC nominal
External supply range:

19.2-31.2 V DC
External supply current:

70 mA at 24 V DC
FlexBus current:

70 mA
Keyswitch position:

4
Calibration:

None required
Status indicator:

1 green power indicator
Operating temperature:

0-55 degC
Storage temperature:

-40-85 degC

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Information

Overview Manuals Common Applications Product Precautions

Provides four configurable analog output channels
Supports voltage and current command modes
Maintains customer-selected safe-state output values
Mounts on the documented FLEX I/O terminal bases

1794-OE4XT is installed with FLEX I/O adapter and backplane, 1794-TB2, TB3, TB3S, TB3T, TB3TS or TBN base, 24 V DC external field supply, compatible analog actuators or reference inputs.

Engineered applications include Valve-positioner command outputs, Variable-speed drive reference signals, Process setpoint generation, FLEX I/O analog-output modernization.

Important Notice: Isolate the FLEX I/O station and field supply, key the terminal base to position 4, preserve channel polarity and commons, then validate each output at low, midpoint and high command values.

Apter Power 1794-OE4XT Manuals and Guides

Apter Power 1794-OE4XT Product Technical Reference PDF Rockwell Automation 1794-OE4XT FLEX I/O User Manual PDF

The first document presents model-specific technical identity and engineering data. The second provides a separate installation, connection and commissioning workflow.

Valve-positioner command outputs

1794-OE4XT supports this documented Allen-Bradley FLEX I/O analog system engineering task.

Variable-speed drive reference signals

1794-OE4XT supports this documented Allen-Bradley FLEX I/O analog system engineering task.

Process setpoint generation

1794-OE4XT supports this documented Allen-Bradley FLEX I/O analog system engineering task.

FLEX I/O analog-output modernization

1794-OE4XT supports this documented Allen-Bradley FLEX I/O analog system engineering task.

Read the applicable Allen-Bradley instructions before work. Verify 1794-OE4XT and the installed-system configuration.

Verify the complete 1794-OE4XT marking and its documented Allen-Bradley FLEX I/O analog system position before field work.

Place the connected equipment in the approved maintenance state before removing 1794-OE4XT.

Isolate every applicable power, signal and stored-energy source, then prove a safe state at 1794-OE4XT.

Record the installed connectors, terminals, jumpers and channel or node assignments before disconnection.

Use ESD controls and protect keyed interfaces, edge connectors and exposed electronic assemblies.

Restore only the approved Allen-Bradley FLEX I/O analog system hardware arrangement and configuration after replacement.

Energize 1794-OE4XT in the documented sequence and review local, host and network diagnostics.

Prove the intended controlled function and retain the final acceptance record before production release.

Technical notes

Isolate the FLEX I/O station and field supply, key the terminal base to position 4, preserve channel polarity and commons, then validate each output at low, midpoint and high command values.

FAQ View All FAQ

What system function does 1794-OE4XT provide?

1794-OE4XT is the flex i/o four-channel analog output module used in the documented Allen-Bradley FLEX I/O analog system arrangement. It converts four controller output words into independent voltage or current commands for compatible field devices on a FLEX I/O station.
Which host hardware must be checked before installing 1794-OE4XT?

Confirm the exact Allen-Bradley FLEX I/O analog system host, assigned position, mating connectors and companion hardware against the controlling manufacturer record for 1794-OE4XT.
What wiring or connector record is required before replacing 1794-OE4XT?

Record every connector identifier, terminal, conductor, polarity, shield, jumper and channel or node assignment before removal.
How should power be isolated for 1794-OE4XT?

Follow the equipment-specific isolation procedure, remove applicable control and field energy, discharge stored energy and prove the required safe state before touching the module.

Which configuration should be restored after replacing 1794-OE4XT?

Restore only the approved project, parameters, addresses and channel assignments retained from the installed system record; do not copy settings from a different catalog number.
How should engineers commission 1794-OE4XT?

Energize in the documented sequence, review device and host diagnostics, test the intended input, output or communication path under controlled conditions and retain the results.
Can 1794-OE4XT be replaced by a visually similar module?

A substitute requires an explicit manufacturer-supported match for the complete 1794-OE4XT catalog identity, host platform, interface, ratings and configuration.
What maintenance evidence should be retained for 1794-OE4XT?

Keep the as-found connection record, installed position, software or parameter revision, diagnostic state and signed functional-test result.

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