Woodward 9908-325 Digital Governor Control Module

Product Brief Introduction The Woodward 9908-325 digital governor control module is a core main control board for prime mover speed regulation. It executes closed-loop speed and load control logic, receives speed feedback and process signals, and outputs regulation commands to actuators to control engine and turbine operating conditions.
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Technical Specifications 24VDC power supply, integrated pulse measurement, analog I/O and communication interfaces. Operating temperature: -40℃ ~ +70℃, supports high-speed control loop calculation.

Functional Features Speed closed-loop regulation, load control, start-up sequence management, fault diagnosis, parameter storage.

Application Scenarios Diesel generator sets, gas engines, small and medium-sized gas turbine control systems.

Performance Parameters Fast control loop cycle, stable regulation, strong adaptability to variable load conditions.

Structural Characteristics Standard rack-mounted main control PCB module, multiple LED indicators for system status and faults.

Working Principle The module collects speed feedback and all auxiliary process signals, runs internal control algorithms, calculates the required actuator output, and sends control signals to drive the fuel or steam valve.

Installation Requirements Install in a well-ventilated control cabinet, use shielded wiring for all feedback signals, ensure good grounding.

Usage Notes Back up all unit parameters before replacement, re-calibrate governor PID parameters after installation.




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