Description
The WOODWARD 5466-020 is a high-precision Integrating Actuator Driver designed to manage the positioning of actuators in sophisticated turbine and engine control systems. This module serves as a critical component in the control loop, ensuring that physical actuators—such as fuel metering valves or inlet guide vanes—respond with exceptional accuracy and stability. By incorporating advanced integration logic, the 5466-020 eliminates steady-state positioning errors, providing the reliable motion control necessary for maintaining engine efficiency and operational safety under varying load conditions.
Technical Specifications
- Series: Integrating Actuator Driver
- Function: Precision Actuator Positioning / Feedback Integration
- Compatibility: Woodward industrial governing and control platforms
- Output Performance: Stable high-fidelity current drive for actuators
- Dimensions: 230 mm x 180 mm x 70 mm (Approximate)
- Weight: 1.15 kg
- Country of Origin: United States
Frequently Asked Questions (Q&A)
⚙️ What specific advantage does the “Integrating” design provide? Standard drivers often suffer from “droop” or slight positioning offsets due to mechanical friction or load variations. The “Integrating” circuitry in the 5466-020 continuously sums the error between the command and the actual position, applying corrective current until the target position is met exactly.
⚡ How does this module ensure system safety? The module is equipped with comprehensive fault-monitoring circuits. If it detects a loss of feedback signal (e.g., from an LVDT) or an internal drive fault, it can trigger an alarm or signal the main controller to move the actuator to a “Fail-Safe” position, protecting the turbine from overspeed or fuel instability.
🔍 Can the integration parameters be fine-tuned? Yes, the integration response (or “gain”) can be adjusted within the control software to match the physical characteristics of the actuator, such as its mass, linkage stiffness, and friction, ensuring optimal responsiveness without oscillation.
🛠️ What are the signs of a failing actuator driver? Key indicators include unstable actuator movement (hunting), “Actuator Fault” error messages on the system HMI, or a total lack of movement despite the controller sending a valid command signal. Always verify field wiring and sensor integrity before assuming a module hardware failure.
Recommended Woodward Stock Models
- Woodward 5466-021
- Woodward 5466-022
- Woodward 5464-645
- Woodward 5464-555
- Woodward 5464-551
- Woodward 5464-421
- Woodward 5464-217
- Woodward 5464-210
- Woodward 5463-873
- Woodward 9907-162
