Woodward 5437-672 NetCon Field Terminal Module

Description

Product Introduction & Engineering Value

The 5437-672 is not a standalone governor or CPU. It functions as the field-side termination hardware associated with compatible Woodward actuator-control arrangements. The documented 5009FT configuration identifies it as the FTM paired with the two-channel 5501-432 actuator controller.

That distinction matters during replacement. Some secondary-market listings describe the part more generally as a NetCon field terminal module, while Woodward’s system documentation provides the more specific actuator-controller relationship. For procurement, the installed controller, cable, terminal wiring, and system configuration should therefore be checked together.

Technical Specifications

Woodward documentation provides the strongest evidence for the 5437-672 ↔ 5501-432 ↔ 5417-041 relationship. A secondary-market listing reports dimensions of approximately 6.25 × 3.50 × 2.75 inches.

Engineering note: I would not use the 18–36 VDC, processor, CAN, Ethernet/IP, or other specifications appearing on some unrelated reseller pages for this part. Those listings conflict with Woodward’s documentation and appear to describe a different product architecture.

Field Application & the “Trench” Experience

A turbine maintenance team is replacing an actuator-control component during a planned outage. The controller itself has been identified as a Woodward 5501-432, but the field termination assembly has suffered connector and wiring damage.

The technician checks the system drawings and finds that the 5501-432 is connected through a 5417-041 cable to the 5437-672 FTM. That confirmation prevents a common procurement mistake: ordering a controller when the failed component is actually the field termination hardware. Woodward’s system documentation explicitly lists this combination.

Niche application scenarios

1. 5009FT MicroNet+ TMR Actuator Control — field termination associated with a two-channel actuator-controller arrangement.
2. Steam Turbine Actuator Interface — maintaining the field wiring interface between turbine control electronics and actuator-control equipment.
3. Gas Turbine Control Maintenance — replacing legacy NetCon/MicroNet field termination hardware during planned control-system outages.

5437-672

5437-672

Transparency SOP: QA & Testing

For New Surplus or refurbished 5437-672 inventory, the test process should concentrate on physical integrity and system compatibility.

1. Identification
Confirm the Woodward label, complete 5437-672 part number, revision marking, and serial information.

2. Mechanical inspection
Check the housing, mounting points, terminal hardware, connectors, and cable interface for damage.

3. Wiring inspection
Compare terminal identification against the approved Woodward system drawing. Pay particular attention to actuator wiring and shield/ground arrangements.

4. Mating-hardware verification
Confirm compatibility with the intended 5501-432 actuator controller and 5417-041 interconnection cable where applicable.

5. Continuity testing
Where appropriate, verify terminal-to-connector continuity using a controlled test procedure rather than applying arbitrary voltage to the assembly.

6. System-level verification
After installation, perform the site-approved actuator loop checks and control-system commissioning procedures before returning the turbine to service.

The Veteran’s Tech Trap Guide

⚠️ Trap #1 — Calling it an actuator controller.
The 5437-672 is the Field Terminal Module. The documented two-channel actuator controller is 5501-432.

⚠️ Trap #2 — Buying by number without checking the mating hardware.
Verify the controller, cable, FTM, terminal assignment, and system drawing as a complete chain.

⚠️ Trap #3 — Trusting generic online specifications.
Some listings incorrectly characterize the 5437-672 as a modern digital speed-control module with ARM processors, CAN, Ethernet/IP, and extensive onboard I/O. Those specifications conflict with Woodward’s documented use of the part as an FTM.

PRO TIP: Before purchasing, photograph the existing 5437-672, the connected cable, and the mating controller. For legacy turbine-control hardware, the surrounding system identification can be as important as the part number itself.

Dynamic FAQ

Q: What is the Woodward 5437-672?
A: It is a NetCon Field Terminal Module (FTM) used with compatible Woodward turbine-control hardware. Woodward documentation specifically associates it with the 5501-432 two-channel actuator controller in the 5009FT MicroNet+ TMR configuration.

Q: Is 5437-672 an actuator controller?
A: No. The documented actuator controller is 5501-432; 5437-672 is the associated Field Terminal Module.

Q: What cable is associated with the 5437-672?
A: Woodward’s system documentation lists 5417-041 / 12 ft with the 5501-432 actuator controller and 5437-672 FTM combination.

Q: Is New Surplus Woodward 5437-672 available?
A: Secondary-market suppliers currently list the part in unused, new-surplus, and rebuilt/refurbished conditions. Actual stock condition should be verified with the supplier before purchase.

Q: How should New Surplus authenticity be checked?
A: Request photographs of the original Woodward label, complete part number, revision information, serial number, connector/terminal condition, and packaging if available. For this part, also verify the intended mating controller and cable.

Q: What warranty should I request?
A: Confirm the supplier’s exact warranty period, DOA coverage, inspection/testing scope, and return terms. One secondary-market supplier advertises a two-year warranty on surplus parts, while other sellers offer different terms; warranty coverage is therefore supplier-specific.