PLC 1794-OE4XT Four-Channel Extended-Temperature Analog Output Module
1794-OE4XT
Four-Channel Extended-Temperature Analog Output Module · Four-channel analog output module for voltage or current field devices in extended-temperature installations.
Lifecycle note: Use the unit nameplate and current official documentation as final references before approving a replacement.
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+86 15359408275Four-Channel Extended-Temperature Analog Output Module · Distributed I/O Hardware
1794-OE4XT is a four-channel extended-temperature analog output module that drives voltage or current field devices from a compatible distributed I/O adapter and terminal base.
Its channels support ±10 V or 0-20 mA output ranges with 12-bit-plus-sign resolution and a 16-bit two’s-complement data format.
Before replacement, verify the adapter, terminal base, keyswitch position, configured range for each channel, field supply, load resistance, scaling and safe output-state behavior.
| Model | 1794-OE4XT |
|---|---|
| Output channels | 4 single-ended, non-isolated |
| Voltage range | ±10 V |
| Current range | 0-20 mA |
| Resolution | 12 bits plus sign |
| Data format | 16-bit two’s complement, left justified |
| Voltage load | 3 mA maximum |
| Current load | 15-750 ohms |
| External supply | 24 VDC nominal |
| Supply range | 19.2-31.2 VDC |
| Keyswitch position | 4 |
| Terminal bases | 1794-TB2, TB3, TB3S, TB3T, TB3TS or TBN |
| Operating temperature | -20 to +70 °C |
1794-OE4XT operates as four-channel extended-temperature analog output module within Distributed I/O Hardware, and its installed role must be confirmed from the host system configuration and field wiring.
1794-OE4XT must be matched by the complete catalog number, channel or interface configuration, electrical ratings, connector arrangement and the limits listed in the technical table.
Before replacing 1794-OE4XT, record the slot or mounting position, wiring and terminal assignments, communication or channel settings, scaling, alarms, firmware or parameter data and the host configuration.
A similar-looking unit should not replace 1794-OE4XT until the electrical function, revision, interfaces, channel count, mounting, software support and application approval are confirmed.
Installation of 1794-OE4XT requires inspection of the connector and nameplate, correct supply polarity and rating, secure mounting, approved grounding and shielding, and controlled functional testing.
1794-OE4XT should be commissioned under the approved site procedure by checking diagnostics, each configured signal or network path, safe-state behavior and the response of the connected equipment.
An inquiry for 1794-OE4XT should include the full nameplate and revision, host equipment, installed configuration, connector or wiring photographs, required quantity, condition requirement and destination.
Send the complete 1794-OE4XT catalog number, revision, quantity, destination and nameplate photo. Identification details will be checked before quotation.
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