Product Core Brief

• Model: 5X00109G02
• Brand: WESTINGHOUSE / Emerson Ovation
• Series: Emerson Ovation HART High-Performance Analog Input Module
• Core Function: 2-channel, 4–20 mA HART high-performance analog input module for the Emerson Ovation DCS, converting field current signals into process values while supporting HART device communication for diagnostics and configuration.
• Product Type: HART Analog Input Module
• Key Specs: 2 analog input channels | 4–20 mA | 16-bit resolution | HART protocol support | 250 Hz sampling rate | 250 Ω input impedance | 24 V DC supply
• Condition: New Original / New Surplus
• Status: Limited availability; confirm full part number, revision, terminal base, and HART configuration before ordering

Key Technical Specifications

• Product type: Ovation HART high-performance analog input module
• Part number: 5X00109G02
• System platform: Emerson Ovation DCS, originally developed from Westinghouse DCS technology
• Channel count: 2 analog input channels
• Input signal: 4–20 mA current
• Resolution: 16-bit ADC
• Sampling rate: 250 Hz
• Input impedance: 250 Ω
• Supply voltage: 24 V DC
• HART support: Yes, bidirectional HART communication for diagnostics and calibration
• Operating temperature: -40 °C to +70 °C / +85 °C depending on source; verify from nameplate
• Mounting / terminal type: DIN-rail / screw-type terminal reported in spare-parts listings; confirm against installed hardware
• Typical applications: Ovation DCS maintenance spares, HART transmitter integration, critical analog loop replacement, plant turnaround support, and legacy Ovation system upgrades
• Handling: ESD-sensitive analog/HART module; verify part number, revision, slot, terminal base, and field wiring before installation

Note: Some third-party listings describe 5X00109G02 as a power module, but this conflicts with multiple spare-parts references identifying it as a 2-channel HART high-performance analog input module. Always verify against the installed module nameplate and Emerson Ovation documentation.

 

Product Introduction

The 5X00109G02 is a Westinghouse / Emerson Ovation HART high-performance analog input module used in Ovation DCS installations. It accepts 4–20 mA signals from field transmitters and converts them into digital process values for control, monitoring, and data acquisition. With 16-bit resolution and HART communication support, it can also read device diagnostics, status, and configuration data from HART-enabled instruments.

Ovation is a distributed control system originally developed by Westinghouse and now produced by Emerson for power generation, water/wastewater, and other process industries. The 5X00109G02 is typically used as a maintenance spare or replacement module in existing Ovation systems where high-accuracy analog input and HART device communication must be maintained.

Because Ovation analog input channels depend on both the electronics module and the paired terminal/characteristic module, replacement must be verified against the original installed configuration.

 

QA & Inspection SOP

Each unit is inspected before release:

1. Nameplate verification: Confirm part number 5X00109G02 and record revision, style, and serial number.
2. Visual inspection: Check housing, connectors, terminals, and PCB for damage, corrosion, or burn marks.
3. Connector check: Inspect backplane and terminal-side connectors for bent pins, looseness, or oxidation.
4. Insulation check: Verify no visible short circuits between input terminals, connectors, and ground.
5. Label check: Confirm slot ID, loop tags, and wiring labels match the original module.
6. Power-on test: If testable, install in a compatible Ovation rack and verify normal module indication.
7. Input/HART check: Apply safe 4–20 mA test signals and verify channel readings and HART communication through authorized engineering tools.
8. Packaging: Protect connectors and terminals with anti-static packaging.

Full functional validation requires installation in a compatible Ovation I/O rack with authorized configuration access.

 

Installation Pitfalls & Guide

❗ Confirm the exact module type. 5X00109G02 is identified as a 2-channel HART high-performance analog input module. Do not substitute with non-HART AI modules, AO modules, or unrelated controller/power cards.

❗ Verify paired terminal/characteristic module. Ovation analog input channels require a matching terminal/characteristic module. Mismatched pairs may cause incorrect readings or loss of HART communication.

❗ Check HART configuration. HART functionality depends on system configuration, loop wiring, and field device compatibility.

❗ Confirm slot and scaling. The module slot, point configuration, engineering units, and alarm limits must match the existing Ovation database.

❗ Follow plant change procedures. Analog input replacement in control, monitoring, or protection loops should follow approved maintenance and management-of-change procedures.

Installation steps:

1. Pre-install: Record the original module part number, revision, slot position, terminal base, and loop wiring labels.
2. Isolate power: De-energize the I/O rack or follow approved online replacement procedures.
3. Install: Seat the 5X00109G02 firmly in the correct Ovation I/O slot.
4. Connect: Reconnect the terminal/characteristic module and field wiring according to the original diagram.
5. Power-up: Restore power and check module status indicators.
6. Verify: Confirm correct 4–20 mA readings, HART device communication, scaling, alarms, and control loop behavior through authorized engineering tools.

 

Technical FAQ

What is WESTINGHOUSE 5X00109G02?
It is an Emerson Ovation 2-channel HART high-performance analog input module for 4–20 mA signals.

Which system does it belong to?
It belongs to the Emerson Ovation DCS, originally developed from Westinghouse DCS technology.

Does it support HART?
Yes. It supports bidirectional HART communication for diagnostics, calibration, and device configuration.

Why do some listings call it a power module?
Some third-party listings incorrectly label 5X00109G02 as a power module, but multiple spare-parts references identify it as a HART analog input module. Always verify against the installed module nameplate and Emerson Ovation documentation.

What should I check before ordering?
Confirm the full part number 5X00109G02, revision, input type, paired terminal/characteristic module, slot position, loop wiring, and HART configuration. A nameplate photo is the most reliable way to verify compatibility.