Woodward 9907-559 Digital Speed Controller

Product Brief Introduction The Woodward 9907-559 digital speed controller is a closed-loop governor for diesel and gas prime movers, designed for genset speed stabilization and safety protection.
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Technical Specifications 24VDC power supply, magnetic pickup speed input, proportional actuator drive output. Operating temperature: -40℃ ~ +70℃.

Functional Features PID speed regulation, overspeed trip, soft startup ramp, fault self-diagnosis and parameter storage.

Application Scenarios Land standby generator sets, industrial drive prime movers and auxiliary power units.

Performance Parameters Stable speed output, simple parameter adjustment, strong shock resistance.

Structural Characteristics Panel-mounted controller, wiring terminal block, running, alarm and fault LED indicators.

Working Principle It collects speed pulse signals, compares actual speed with set value, and outputs drive current to adjust fuel actuator to stabilize rotational speed.

Installation Requirements Use shielded twisted pair for speed sensor wiring, install with shock-absorbing pads.

Usage Notes Check overspeed protection function before putting into formal operation.




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