Model 1794-OE4XT identifies the FLEX XT four-channel analog output module. 1794-OE4XT is a Series B four-channel analog output module for extended-temperature installations, with selectable current or voltage ranges and documented safe-state values.
Item NO.:
1794-OE4XTBrand/ Manufacturer:
PLCDimensions:
45.7 x 94 x 53.3 mmWeight:
Not stated in cited manufacturer recordsCountry of Origin: :
Confirm on supplied product documentationDescription:
Four-channel analog output moduleMatch catalog number 1794-OE4XT, Series B, a listed terminal base, keyswitch position 4 and the existing four-channel output map. A neighboring input or mixed-I/O catalog number is not an interchangeable substitute.
Engineering note: Command and measure each channel at low, midpoint and high values, then test power-up and safe-state behavior before process release.
Installation planning
Confirm 1794-OE4XT enclosure protection, cabinet heat dissipation, mounting arrangement and documented environmental limits before installation.
Storage and handling
Keep 1794-OE4XT protected from moisture, contamination, impact and electrostatic discharge from receipt through installation.
Send the exact 1794-OE4XT model, required quantity, destination and installed hardware details. Request current nameplate photographs and confirm compatibility before ordering.
Use this module where four field outputs must deliver the documented 0 to 20 mA, 4 to 20 mA, 0 to 10 V DC or -10 to +10 V DC ranges in the approved distributed-I/O station.
Select by complete catalog number, output range, terminal-base type and Series B project record; appearance alone does not establish compatibility.
Lifecycle assessment: Confirm current availability and lifecycle status against the latest manufacturer notice for the exact article number.
Ordering check: Verify the full model, article number, hardware revision and supported project release before purchasing.
Complete these six checks against the current project documentation and the official exact-model record.
Retain the catalog and series label, terminal-base identity, output ranges, safe-state values and measured acceptance results in the asset record.
Handover must identify channel purpose, range, load, measured result, lifecycle decision and the approved replacement strategy.
It provides four single-ended, nonisolated analog output channels. Confirm the four-channel map before transferring field wiring. Record the result under 1794-OE4XT.
Each channel can be set for 0 to 20 mA or 4 to 20 mA. The selected range must agree with the receiving device and project scaling. Record the result under 1794-OE4XT.
The documented voltage selections are 0 to 10 V DC and -10 to +10 V DC. Verify polarity and common references before energization. Record the result under 1794-OE4XT.
The installation instructions list 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS and 1794-TBN. Record the result under 1794-OE4XT.
Use keyswitch position 4 for this catalog number. Do not force the module into a base keyed for a neighboring analog module. Record the result under 1794-OE4XT.
The nominal supply is 24 V DC and the documented operating range is 10.5 to 31.2 V DC, including the stated ripple allowance. Record the result under 1794-OE4XT.
For current service, keep the resistive load within 15 to 750 ohm at 24 V DC and include wiring resistance in the loop calculation. Record the result under 1794-OE4XT.
The output remains at 0 V or 0 mA until configuration is applied. Commission the range, data value and safe-state behavior under controlled conditions. Record the result under 1794-OE4XT.
The official instructions state that no calibration is required. Functional testing should still confirm commanded and measured output values. Record the result under 1794-OE4XT.
Record the exact catalog number, series, terminal base, range settings, safe-state values and project compatibility before selecting a functional replacement. Record the result under 1794-OE4XT.
Both PDFs are hosted on dcsmodule.com and prepared from the exact official manufacturer records for 1794-OE4XT cited on this page. They are independent Moore Automation references, not manufacturer-issued manuals.
Exact article identity, application context, procurement checks, replacement guidance and manufacturer-source trace.
OPEN SITE PDF → TECHNICAL DATAModel-specific specifications, compatibility boundaries, installation checks, commissioning guidance and official-source trace.
OPEN TECHNICAL DATA PDF →Ask for the exact 1794-OE4XT nameplate, hardware identification, revision, connector condition and packaging. Verify that the supplied unit carries the exact 1794-OE4XT identification.
| Specification | Official identification / verification note |
|---|---|
| Model | 1794-OE4XT |
| Article number | 1794-OE4XT |
| Lifecycle | End of life |
| Series | B |
| Analog outputs | 4, single-ended and nonisolated |
| Output resolution | 12 bits plus sign |
| Current ranges | 0 to 20 mA or 4 to 20 mA |
| Voltage ranges | 0 to 10 V DC or -10 to +10 V DC |
| Data format | Left-justified 16-bit two's complement |
| Conversion type | Pulse-width modulation |
| Step response | 24 ms to 63%, voltage or current terminal |
| Maximum voltage-output load current | 3 mA |
| Current-output resistive load | 15 to 750 ohm at 24 V DC |
| External supply | 24 V DC nominal; 10.5 to 31.2 V DC |
| External supply current | 165 mA at 24 V DC |
| Backplane current | 15 mA at 5 V DC |
| Maximum power dissipation | 4.5 W at 31.2 V DC |
| Maximum thermal dissipation | 13.6 BTU/hr at 31.2 V DC |
| Recommended terminal bases | 1794-TB2, TB3, TB3S, TB3T, TB3TS, or TBN |
| Keyswitch position | 4 |
| Approximate dimensions | 45.7 x 94 x 53.3 mm |
| Enclosure | Open-style |
| Operating temperature | -20 to +70 C |
| Storage temperature | -40 to +85 C |
| Relative humidity | 5 to 95%, noncondensing |
| Operating vibration | 5 g at 10 to 500 Hz |
| Shock | 30 g operating; 50 g nonoperating |
| Lifecycle | End of life; discontinuation announced for 2027-02-28 |
Technical-data note: Values shown here are limited to the exact model and explicitly documented assembly. Confirm field conditions and the applicable project release before installation.
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Moore Automation kept the 1794-OE4XT request focused on article identity and the documented four single-ended nonisolated outputs with voltage or current range selection, which made our internal review straightforward.
Tiffany separated the 1794-OE4XT commercial quote from the required supported terminal base with keyswitch position 4 and shielded signal wiring checks and asked for clear label evidence before confirmation.
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