Description
Product Overview
The WOODWARD 5466-316 is a MicroNet / NetCon 5000 High Density Combo I/O module designed for turbine control applications. It combines analog input, analog output, speed sensing, and proportional actuator functions in a single module.
According to Woodward documentation, the 5466-316 provides 8 analog inputs, 4 analog outputs, 4 speed inputs, and 2 proportional actuator outputs. The analog input and output channels use 4–20 mA signal ranges.
The module was developed for Simplex control-system configurations and is particularly relevant to legacy steam turbine and compressor control systems where maintaining the existing I/O architecture is important.
The supplied eBay listing identifies the unit as a Woodward 5466-316 Analog Combo Module, with part number 5466-316, U.S. country of origin, approximately 860 g shipping/listing weight, and a used condition.
Product Summary
WOODWARD 5466-316 is a high-density combination I/O module for legacy Woodward turbine control systems. It allows several signal types to be handled within one module instead of occupying separate analog, speed, and actuator modules.
Woodward introduced the HD Combo family for steam-control applications and later classified the 5466-316 as a non-preferred product. It remains supported for retrofit, spare-part, and repair requirements, making exact-part-number replacement important for installed legacy systems.
Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | WOODWARD |
| Model | 5466-316 |
| Product Type | Analog Combo Module |
| Series | MicroNet / NetCon 5000 |
| System Configuration | Simplex |
| Analog Inputs | 8 × 4–20 mA |
| Analog Outputs | 4 × 4–20 mA |
| Speed Inputs | 4 |
| Proportional Actuator Outputs | 2 |
| FTM | 5501-371 |
| Primary Application | Turbine Control Systems |
| Country of Origin | United States |
| Listing Weight | Approx. 860 g |
| Current Product Status | Non-Preferred |
| Suitable Use | Existing systems, retrofits, spare parts, repairs |
The I/O configuration and FTM association above are based primarily on Woodward’s product-change documentation.
I/O Configuration
The main advantage of the 5466-316 is its combination of several signal functions in one module.
Analog Inputs
Eight 4–20 mA analog input channels can be used for process transmitters and other analog feedback signals within the control system.
Analog Outputs
Four 4–20 mA analog output channels provide interface capability for external control devices and instrumentation.
Speed Inputs
Four dedicated speed inputs provide speed-sensing capability for turbine control applications. Woodward later identified improved speed sensing as one of the major enhancements in its newer HD Combo designs.
Proportional Actuator Outputs
Two proportional actuator outputs are integrated into the module. This is an important difference from newer Woodward combination modules, because the later 5466-1115 does not include the same on-board proportional actuator capability.
System Compatibility
The 5466-316 is associated with the 5501-371 Field Terminal Module (FTM). Woodward specifies this FTM relationship for the Simplex version of the HD Combo module.
When replacing an installed module, check:
- Exact part number: 5466-316
- Existing FTM: 5501-371
- System hardware configuration
- Controller/MPU version
- Application software or GAP configuration
- Existing cables and terminal wiring
- Module revision
- I/O channel assignment
Do not substitute a newer combo module solely because the connector or general product description appears similar.
Replacement and Obsolescence Information
Woodward’s documentation states that the 5466-316 has been replaced by newer HD Combo module configurations, including 5466-1115 and 5466-1105 depending on the required accuracy and system architecture. However, the replacement requires different FTMs and cables.
Woodward’s 2024 product-status notice lists the 5466-316 as Non-Preferred rather than inactive. Non-Preferred means it is not intended for new system installations, but it remains supported for retrofits, spare parts, and repairs.
For an existing machine, the safest spare-part choice is normally an exact 5466-316 replacement unless the complete system has been engineered for the newer architecture.
Typical Applications
The 5466-316 is suited to legacy Woodward control systems requiring combined analog, speed, and actuator I/O.
Typical applications include:
- Steam turbine control
- Turbine speed monitoring
- Compressor control systems
- Valve and actuator control
- Process transmitter monitoring
- Legacy MicroNet control systems
- NetCon 5000-based turbine controls
- Retrofit and maintenance projects
- Critical spare-parts inventory
The HD Combo modules were originally introduced for steam-control applications, with Woodward documentation specifically identifying the 5466-316 as the Simplex version.
Installation Notes
Before installing the module, isolate the control system and follow the applicable Woodward system maintenance procedure.
Verify the module position and FTM wiring before removal. Record the existing channel assignments so that analog, speed, and actuator connections can be restored correctly.
Inspect the module edge connector, terminal wiring, FTM connections, and cabinet condition before commissioning.
After installation:
- Verify the module part number and revision.
- Confirm the correct FTM and cable arrangement.
- Check all field wiring against the system drawings.
- Power up the control system.
- Check module status and fault indication.
- Verify analog input readings.
- Check analog output signals.
- Verify speed-input operation.
- Test proportional actuator outputs under controlled conditions.
- Confirm the complete control loop before returning the equipment to service.
Maintenance Recommendations
For a legacy 5466-316 installation, keeping a tested spare module and the matching FTM available can reduce downtime.
During inspection, pay particular attention to connector condition, corrosion, contamination, damaged components, and signs of overheating.
Avoid installing a replacement without checking the existing system configuration. Although the 5466-316 has a clearly defined I/O structure, the actual turbine control application determines how each channel is configured.
For long-term storage, use ESD-safe packaging and keep the module in a clean, dry environment. Protect connectors from mechanical damage and moisture.
Inspection Before Shipment
For industrial replacement parts, recommended inspection includes:
- Model and part-number verification
- Nameplate and revision check
- Physical condition inspection
- Connector inspection
- PCB and component inspection
- Power-up verification where the proper test equipment is available
- I/O functional testing where applicable
- Fault/status LED verification
- Serial-number recording
- ESD-safe packaging
Because the referenced eBay listing is marked Used, the actual cosmetic condition should be described according to the physical unit being supplied rather than represented as factory-new.
Frequently Asked Questions
What is the WOODWARD 5466-316?
It is a Simplex High Density Combo I/O module used in Woodward turbine control systems.
How many analog inputs does it have?
It provides 8 analog inputs with a 4–20 mA signal range.
How many analog outputs are available?
There are 4 analog outputs, specified for 4–20 mA operation.
Does it support speed inputs?
Yes. The module provides 4 speed inputs.
Does it control proportional actuators?
Yes. Two proportional actuator outputs are integrated into the 5466-316.
What FTM is used with the 5466-316?
Woodward identifies the 5501-371 as the matching FTM for the 5466-316.
Is the 5466-316 still a current preferred module?
No. Woodward currently identifies it as Non-Preferred. It remains supported for retrofit, spare, and repair applications.
Search Terms
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