Description

Product Overview

The 5466-316 is a Woodward MicroNet high-density analog combination I/O module designed primarily for simplex turbine-control applications. It integrates several signal-processing functions into one module: eight 4–20 mA analog inputs, four analog outputs, four speed-sensor inputs, and two proportional actuator outputs. The speed channels can interface with magnetic pickup or proximity-probe signals, while the actuator outputs can support proportional-control applications. Woodward documentation identifies the module as part of the older MicroNet HDCombo architecture used extensively in steam turbine controls and legacy 5009 systems. The module works with the associated 5501-371 simplex FTM. Woodward now classifies this part as non-preferred, but it remains supported for retrofit, spare, and repair applications.

Technical Specifications — 5466-316

Woodward’s official product-change documentation confirms the combination of eight analog inputs, four analog outputs, four speed inputs, and two proportional actuator outputs.

Woodward 5466-316

Key Features and Benefits — 5466-316

• High-density combination of analog, speed, and actuator I/O.
• Eight 4–20 mA analog input channels.
• Four 4–20 mA analog output channels.
• Four dedicated speed-input channels.
• Two proportional actuator driver outputs.
• Designed for simplex MicroNet architectures.
• Compatible with the 5501-371 field termination module.
• Particularly suitable for maintaining legacy turbine-control systems.

The integrated actuator capability is the feature that separates the older HDCombo architecture from newer Woodward combination modules. Personally, I would preserve the original module and FTM pairing when maintaining an existing turbine controller rather than substituting a newer card without checking the application software and wiring changes.

Related Models

5466-253: TMR version of the older HDCombo family, providing a similar combination of analog, speed, and actuator functions for redundant systems.

5466-1115: Newer Speed/Analog combination module with 12 analog inputs, four speed inputs, and four 4–20 mA outputs.

5466-1105: Higher-accuracy version of the newer combination architecture, intended particularly for gas-turbine applications.

5501-371: Simplex MPU and analog I/O field termination module associated with this configuration.

Installation and Maintenance — 5466-316

Before replacement, verify the MicroNet chassis, simplex configuration, FTM type, application software, I/O assignments, and actuator wiring. Record the existing module configuration before removing the card.

During maintenance, inspect the module connector, FTM connections, analog wiring, speed-sensor circuits, and actuator outputs. Speed-input faults should be checked against sensor wiring and signal quality before replacing the module. After installation, verify analog scaling, speed feedback, actuator output behavior, and system diagnostics.

Woodward’s current documentation states that 5466-316 is non-preferred but remains available for retrofit and spare applications, while newer designs use the 5466-1115 or 5466-1105 architecture.

Product Warranty — 5466-316

Warranty coverage should be confirmed according to the supplied condition, such as new surplus, refurbished, repaired, or tested-used. For turbine-control spares, procurement records should include the complete part number, revision, associated FTM, inspection status, and warranty period.

When sourcing the Woodward 5466-316, verify the simplex MicroNet architecture and 5501-371 FTM before purchase. The exact module-to-FTM combination is important for a reliable retrofit or replacement.