Description

The 5466-316 is a precision-engineered servo driver and amplifier module manufactured by Woodward, a global leader in control solutions for aerospace and industrial prime movers. This specific module is a critical component within Woodward’s extensive portfolio of governing and control systems, designed to provide the high-fidelity interface between a digital or analog governor controller and a high-power electro-hydraulic actuator or servo valve. Its core function is to accurately translate a low-power command signal (e.g., from a Woodward 2301A controller) into a powerful, amplified current output capable of precisely positioning a hydraulic actuator. This precise control of actuator stroke is fundamental for managing fuel flow, steam inlet valves, or compressor guide vanes in turbines and large engines, directly impacting speed, load, and efficiency.

As a vital part of the control loop, the Woodward 5466-316 ensures stability and responsiveness in some of the world’s most critical machinery. It acts as the indispensable muscle, executing the commands from the system’s brain (the main controller) with speed and accuracy. The module is engineered with robust protection circuits and comprehensive self-diagnostics to safeguard against electrical faults, ensuring operational integrity and protecting both the control system and the expensive prime mover it regulates. The reliability of the 5466-316 is paramount, as its performance is directly tied to the safe, efficient, and continuous operation of assets in power generation, marine propulsion, and pipeline compression.

5466-316 WOODWARD

Technical Specifications

Parameter Name	Parameter Value
Product Model	5466-316
Manufacturer	Woodward Inc.
Product Type	Servo Driver / Proportional Amplifier
Input Signal	Typically a command signal from a Woodward governor (e.g., ±200 mA or ±10 VDC)
Output Drive	High-current output (Proportional, typically ±200 mA or higher) to drive a servo valve coil
Supply Voltage	24 VDC or 48 VDC nominal (specific to application requirements)
Output Current Monitoring	Internal sensing for fault detection and feedback
Communication Interface	Legacy analog signaling; designed for integration with Woodward governors
Operating Temperature	-40°C to +70°C (-40°F to +158°F) (estimated based on product family)
Mounting	Designed for chassis or DIN rail mounting within a control cabinet
Protection Features	Short-circuit protection, over-current protection, and internal fault detection
Certifications	Designed to meet applicable marine (ABS, DNV), industrial (API), and quality standards (ISO)

Main Features and Advantages

The 5466-316 excels through its robust design and unwavering reliability in harsh environments. A key advantage is its seamless and optimized integration within the Woodward ecosystem. It is designed to work flawlessly with Woodward’s industry-standard governors and actuators, forming a cohesive and proven control loop that simplifies system engineering, reduces commissioning time, and minimizes compatibility risks. The module provides critical diagnostic capabilities, continuously monitoring its own output current. This allows it to detect faults such as open coils or short circuits internally, triggering an alarm or a safe shutdown to protect the entire asset, thereby adding a vital layer of system protection.

Built to withstand the rigors of industrial and marine applications, the 5466-316 features a wide operating temperature range and is constructed with high-quality components to ensure longevity against vibration and electrical noise. Its design prioritizes deterministic performance, meaning it provides a consistent, rapid response to control signal changes without lag, which is absolutely essential for maintaining stable speed control and preventing hazardous conditions like engine overspeed. The proven track record of the Woodward 5466-316 makes it a trusted component for engineers who prioritize system uptime and operational safety above all else.

Application Field

The primary application of the Woodward 5466-316 is in the control of large, critical prime movers. In the power generation sector, it is extensively used in gas and steam turbine control systems to precisely modulate fuel valves or inlet guide vanes based on the governor’s command, ensuring stable power output and grid frequency regulation. It is equally critical in mechanical drive applications, such as controlling the speed of large compressors on natural gas pipelines or pumps in major water injection systems, where precise speed control is directly tied to process efficiency and safety.

In the marine industry, the 5466-316 is a cornerstone for propulsion control. It is found in the engine control rooms of commercial vessels, oil tankers, and offshore rigs, where it translates the engine governor’s signal to accurately control fuel racks on massive diesel engines, ensuring precise throttle response from the bridge. Its robustness makes it suitable for the challenging vessel environment, characterized by constant vibration, temperature fluctuations, and salty air. In all these applications, the module’s role is mission-critical, making its reliability non-negotiable for ensuring continuous, safe, and efficient operation.

Related Products

2301A: The Woodward 2301A Speed Control and Governor, which is a primary source of the command signal for the 5466-316.

5466-258: Another variant within the 5466 series servo driver family, with potentially different output or input specifications.

ACT-* Series: Woodward’s hydraulic actuators (e.g., ACT-251L), which are the typical final control elements driven by this amplifier.

ProAct® Digital Servo Driver: Woodward’s newer generation of digital servo drivers, representing the modern evolution of this technology.

9907-*: Woodward power supply modules that provide clean, regulated DC power for the control system, including the 5466-316.

SVA-*: Woodward servo valves that are commonly driven by the output of this amplifier module.

5466-316 WOODWARD

Installation and Maintenance

Pre-installation preparation: Before installing the 5466-316, ensure all power to the control cabinet is disconnected and locked out. Verify the compatibility of the input command signal and the output servo valve coil impedance with the module’s specifications. Inspect all wiring for integrity, correct gauge, and proper shielding to prevent electrical noise interference. Ensure the mounting location provides adequate ventilation for heat dissipation and is free from excessive moisture and dust.

Maintenance recommendations: The 5466-316 is designed for high reliability with minimal maintenance. Routine maintenance should include periodic visual inspections for signs of overheating or corrosion and checking that all electrical connections are secure. The status of the module should be monitored during system operation, paying attention to any fault indicators. It is a best practice to keep a pre-calibrated spare 5466-316 module available to facilitate a quick swap in the event of a failure, thereby minimizing critical asset downtime. Faulty units should be returned to Woodward or an authorized service center for professional repair.