Woodward 9907-772 Digital Speed Controller

Product Brief Introduction The Woodward 9907-772 digital speed controller is designed for engine governing and safety protection of generator sets, applicable to diesel and gas prime movers.
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Technical Specifications 24VDC power supply, magnetic pickup speed input, proportional actuator drive output. Operating temperature: -40℃ ~ +70℃.

Functional Features Speed closed-loop regulation, overspeed trip, startup fuel limiting, fault self-diagnosis and alarm output.

Application Scenarios Emergency standby generators, remote unattended power supply units and pump prime movers.

Performance Parameters Fast protection action, strong environmental adaptability, stable continuous operation.

Structural Characteristics Panel-mounted controller, wiring terminals, status LED indicators for running, alarm and fault.

Working Principle Real-time speed feedback is compared with preset speed, the controller adjusts fuel actuator position to eliminate speed deviation.

Installation Requirements Adopt shock-absorbing installation, shielded twisted-pair wire for speed sensor.

Usage Notes Do not operate the controller without valid speed feedback signal for a long time.




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