Description
Emerson 5X00106G02 | 8-Channel HAI Electronics Module 4-20mA
Architect’s Product Breakdown
The Emerson Ovation 5X00106G02 serves as the core signal processing engine for 4-20mA HART transmitter loops within the Ovation I/O sub-rack architecture. Installed on a standard DIN-rail mounted Ovation base unit, it links field-mounted smart transmitters directly to the Ovation Controller over the local I/O backplane bus. Unlike standard non-HART analog input cards, the G02 hardware revision integrates dedicated modem transceivers on a per-channel basis, eliminating multiplexing delays when polling secondary and tertiary field variables like device temperature or diagnostic alerts.
Upgrading or maintaining legacy Ovation racks often comes down to hardware revision compatibility. The 5X00106G02 is designed to drop cleanly into systems using matching personality modules (such as the 5X00109 series). It resolves common thermal throttling and signal attenuation issues observed in earlier board iterations under high-density wiring conditions.
When your plant’s maintenance window is tight and a continuous process loop hangs in the balance, replacing a drifting or failed HAI module with an exact hardware revision avoids backplane timing mismatch errors or software database reconfigurations. The 5X00106G02 handles loop power distribution natively through the base assembly, keeping cabinet footprints tight while maintaining high noise rejection in high-EMI environments like power plants and refinery compressor stations.

5X00106G02
Key Technical Specifications
| Parameter | Specification / Value |
| Number of Channels | 8 isolated input channels |
| Input Signal Range | 4 to 20 mA DC (supports HART FSK modulation) |
| A/D Resolution | 16-bit analog-to-digital converter |
| Isolation Rating | 1500 VAC channel-to-logic backplane |
| HART Protocol Support | Revision 5, 6, and 7 compliant (simultaneous per channel) |
| Power Dissipation | 3.5 Watts maximum (full loop load) |
| Module Power Supply | 24 VDC nominal (supplied via Ovation backplane) |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) |
| Humidity Range | 5% to 95% non-condensing |
| Matching Base Assembly | Standard Ovation 16-slot DIN-rail base / Personality Module |
Field Engineer’s Pitfall Guide
WARNING: Personality Module & Base Seating Mismatch
Never force the 5X00106G02 onto a base unit without verifying the keying pins and matching Personality Module. Inserting this module into a standard non-HART analog base (or a base keyed for high-voltage digital cards) can physically bend the backplane header pins or instantly pop the on-board fuse on the 24 VDC loop distribution line.
WARNING: HART Pass-Through Firmware Alignment
I’ve seen plants lose 12 hours of debugging time because a replacement G02 card failed to report HART secondary variables to the Ovation station. The issue was not hardware failure; the Ovation Controller software version was running a controller drop patch that didn’t support HART pass-through on channels configured as standard 4-20mA. If replacing a non-HART card (e.g., 1C31116G01) with a HART-capable 5X00106G02, you must reconfigure the I/O point types in Developer Studio and download the updated database to the controller drop before HART telemetry will populate.
WARNING: Ground Loops on Shielded Twisted Pair
Ensure signal shields are grounded at one point only—typically at the Ovation cabinet terminal block. Grounding field transmitter shields at both ends creates ground loops that introduce AC ripple into the 4-20mA current loop, causing the 16-bit A/D converter on the G02 to report jittery analog values or drop HART communication entirely.
QA & Testing SOP
Every 5X00106G02 module undergoes a rigorous 4-step bench audit before clearance:
- Physical & Visual Inspection: Full PCB audit under magnification. Verification of base connector pins, conformal coating integrity, OEM serial labels, and ground plane condition.
- Backplane & Power-Up Test: Installed in an active Ovation test chassis with 24 VDC backplane power applied. Logic power rail verification and LED diagnostic handshake check.
- 8-Channel Calibration & HART Scan: A Fluke precision loop calibrator injects 4.00 mA, 12.00 mA, and 20.00 mA across all 8 channels sequentially. Simulated HART transmitters test simultaneous digital data pass-through back to an active Ovation controller drop.
- Thermal Stress & Anti-Static Packing: The unit is run under full channel loading, thermal-scanned for unexpected hot spots, cleared, and packed in ESD-safe shielded bags with protective pin covers.
Technical FAQ
Can I hot-swap the 5X00106G02 module while the Ovation Controller is online?
Yes, Ovation I/O modules support hot-swapping under live power. However, removing the module will instantly set all 8 associated loop points to “BAD” status in the process database and trip any configured hardware interlocks. Always lock out or bypass associated control loops in the graphics workstation prior to extraction.
Is the 5X00106G02 backward compatible with non-HART 4-20mA input modules?
Hardware-wise, it drops into compatible Ovation base slots. However, signal database points in Ovation Developer Studio must match the card type. If swapping out a basic analog card for a HART card, point definitions need to be updated to recognize the new module type to prevent I/O mismatch alarms.
Why is my channel reading 0 mA even though the field transmitter is powered?
Check the personality module fuse and wiring polarity. The 5X00106G02 relies on the base wiring to feed power to field transmitters or receive active signals. A blown loop fuse on the terminal block or reversed signal polarity will cause the A/D converter to read off-scale low.
Does this card retain configuration settings during a power loss?
Yes. The 5X00106G02’s channel definitions, scan rates, and filter constants are held in non-volatile flash memory and pushed dynamically by the Ovation Controller drop upon system reboot. No onboard battery maintenance is required.


