Digital guide
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Woodward 8562-226
- Product Name: Servo Position Controller (SPC)
- Product Overview: A microprocessor-based servo valve driver that precisely positions hydraulic/pneumatic actuators for turbine fuel valve control. It accepts position demand signals and provides closed-loop position control.
- Technical Specifications:
- Input Signals: 4–20 mA, DeviceNet (position demand)
Detailed content
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- Output: Servo valve drive (single-coil actuator)
- Feedback: Single or dual position feedback devices
- Power Supply: 24 VDC (18–32 VDC)
- Communication: Serial port (9-pin D-sub) for configuration
- Operating Temperature: -40°C to +70°C
- Key Features:
- Precision Positioning: Closed-loop control for accurate actuator positioning (±0.1% accuracy).
- Dual Feedback Support: Redundant position feedback for high-reliability applications.
- Multi-Protocol Input: Accepts both analog (4–20 mA) and digital (DeviceNet) demand signals.
- PC Configuration: Software tool for easy calibration, tuning, and monitoring.
- Applications:
- Turbine Fuel Valve Control: Precise positioning of gas/steam turbine fuel and steam valves.
- Industrial Actuators: Control of hydraulic/pneumatic actuators in process industries.
- Power Generation: Actuator control for boiler and balance-of-plant systems.
