Emerson 5X00119G01 Ovation 8-Channel RTD Input Module

Product Introduction & Engineering Value

The 5X00119G01 is the electronics module used in an Ovation eight-channel RTD input subsystem. Its job is to convert RTD resistance measurements into digital data and transmit that information to the Ovation controller. Emerson’s reference documentation is particularly useful here because it identifies the exact EMOD/PMOD pairing rather than treating the part as a generic temperature-input card.

This distinction matters during a spare-parts purchase. 5X00119G01 is the EMOD, while 5X00121G01 is the compatible PMOD. The two form the complete eight-channel RTD input module. A visually similar Ovation analog-input assembly should not be assumed to be interchangeable.

Technical Specifications

The factory-derived Ovation reference material states that the eight-channel RTD module converts RTD inputs to digital data and identifies 5X00119G01 as the sole electronics-module variant for the eight-channel RTD configuration. It also identifies 5X00121G01 as its compatible Personality Module.

The EMOD/PMOD pairing

The architecture is straightforward:

RTD sensor → 5X00121G01 PMOD → 5X00119G01 EMOD → Ovation controller

The reference manual describes the electronics module as containing the logic and field-interface circuitry, while the Personality Module provides the field-side RTD interface.

This is the identification point I would put at the top of a procurement request.

5X00119G01

5X00119G01

Field Application & the “Trench” Experience

A turbine auxiliary cabinet starts reporting abnormal temperature values from several bearing RTDs. The field instruments test normally, and the resistance measurements at the termination point are consistent with the expected temperatures.

One channel could be a sensor problem.

Several channels changing together point somewhere else.

With a 5X00119G01 subsystem, the engineer should separate the investigation into the RTD sensors and wiring, the 5X00121G01 PMOD, the 5X00119G01 EMOD, and the controller-side configuration. Replacing the transmitter is not an appropriate first response because an RTD is a passive resistance sensor rather than a conventional 4–20 mA transmitter.

Specific application scenarios

• Steam-turbine bearing temperature monitoring: multiple RTDs distributed across bearing housings.
• Generator temperature monitoring: RTD measurements associated with stator or auxiliary equipment.
• Boiler and feedwater equipment: multi-point temperature measurement using resistance temperature detectors.
• Process skids: grouped temperature measurements where eight RTD channels can be handled by one Ovation I/O subsystem.

Transparency SOP: QA & Testing

For New Surplus or refurbished 5X00119G01 inventory, the most important point is to test it as an RTD EMOD, not merely as a powered circuit board.

1. Confirm identity

Verify:

5X00119G01

Also record the board revision and any assembly markings.

2. Verify the companion PMOD

Confirm that the test assembly uses:

5X00121G01

The Ovation reference manual explicitly identifies this PMOD as compatible with 5X00119G01.

3. Inspect all eight channels

Check the connectors and circuitry for:

• Bent pins
• Corrosion
• Contamination
• Heat damage
• Damaged components
• Previous repair work

4. Simulate RTD inputs

Use a calibrated RTD simulator or precision resistance source.

Test representative resistance values across multiple channels rather than testing only channel 1.

5. Verify controller data

Where an Ovation test environment is available, confirm that the simulated resistance produces the expected temperature value at the controller.

The objective is to verify the complete path:

Simulated RTD → PMOD → EMOD → Controller

6. Record the acceptance data

For surplus inventory, retain the actual-unit photograph, part number, revision, channel-test results, condition, packaging status, and warranty documentation.

One current supplier lists the part as available in new/used conditions with a 365-day supplier warranty; Radwell separately lists new, never-used, and refurbished condition categories and provides its own 2-year warranty. These are supplier terms, not evidence of an OEM warranty.

The Veteran’s Tech Trap Guide

⚠️ PRO TIP — Do not buy 5X00119G01 without checking the PMOD.

The correct documented pairing is:

5X00119G01 EMOD + 5X00121G01 PMOD

The Ovation manual specifically states that the two are compatible with each other.

⚠️ Do not confuse RTD input with thermocouple input.

An RTD measures temperature through electrical resistance. A thermocouple produces a thermoelectric voltage. Their signal-conditioning requirements are fundamentally different.

⚠️ Watch the part-number typo.

Some industrial listings identify 5X00119GO1 as a common typographical error, with the final character incorrectly shown as the letter “O” instead of the number “0.” The actual part number is 5X00119G01.

PRO TIP: If the existing cabinet has a 5X00119G01, photograph both the EMOD and PMOD before ordering. That gives the supplier enough information to verify the complete assembly rather than quoting a visually similar Ovation module.

Dynamic FAQ

What is Emerson 5X00119G01?

It is an 8-channel RTD Input Electronics Module (EMOD) for the Emerson/Westinghouse Ovation DCS. Its function is to convert RTD inputs into digital data for the Ovation controller.

How many RTD channels does 5X00119G01 provide?

It provides eight RTD input channels in the documented Ovation configuration.

What PMOD works with 5X00119G01?

The specified compatible Personality Module is 5X00121G01. The Ovation reference manual identifies this exact EMOD/PMOD combination.

Is 5X00119G01 the complete RTD input assembly?

No. 5X00119G01 is the EMOD. The complete eight-channel RTD subsystem uses the EMOD together with the 5X00121G01 PMOD.

Is 5X00119G01 discontinued?

Radwell currently identifies 5X00119G01 as discontinued by the manufacturer while continuing to list new, never-used, and refurbished inventory.

Can I purchase it as New Surplus?

Yes. Current industrial suppliers advertise new and never-used inventory. For procurement, require an actual-unit photograph, exact part-number marking, revision information, test report, condition declaration, and written warranty. Do not treat a generic product photograph or a supplier’s “new” designation as proof of current OEM production.