Description
The Woodward 9905-377 is a digital speed control module designed to regulate the speed of engines, turbines, or other prime movers. It provides precise PID control, actuator output, and flexible configuration for industrial and power generation applications.
Specifications
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Model: 9905-377
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Function: Speed control for prime movers
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Input Voltage: 24 VDC nominal
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Speed Sensing: Magnetic pickup input (MPU), typically 1–20 kHz
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Control Algorithm: PID-based speed regulation
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Actuator Output: Proportional output for electric actuators
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Ramp Rates: Adjustable acceleration/deceleration settings
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Mounting: Panel or DIN rail
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Operating Temperature: -40°C to +70°C
Features
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Precise Speed Regulation: Maintains stable RPM under varying load conditions
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PID Tuning: Fully adjustable gain, reset, and derivative parameters
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Actuator Compatibility: Interfaces with Woodward electric actuators and governors
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Start/Stop Logic: Supports remote control and sequencing
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Ramp Control: Smooth acceleration and deceleration for mechanical protection
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Diagnostics: LED indicators for status, fault, and operational feedback
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Industrial Reliability: Built for continuous operation in harsh environments
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