Woodward 9906-620 Digital Governor Module

Product Brief Introduction Rack-mounted digital governor module developed for prime mover speed and load control. It executes closed-loop speed regulation logic and outputs control commands to actuators to maintain stable prime mover rotating speed and power output.
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Technical Specifications 24VDC power supply; built-in speed signal input channel; analog and discrete I/O interfaces; industrial EMC protection. Operating temperature: -40℃ ~ +85℃.

Functional Features PID closed-loop speed governing; load regulation control; overspeed alarm and monitoring; fault self-diagnosis and event recording.

Application Scenarios Industrial gas engine and diesel genset control cabinets.

Performance Parameters Fast dynamic response during load fluctuation; high speed control accuracy; stable long-time continuous operation.

Structural Characteristics Metal shielding housing, standard rack pluggable structure, detachable plug terminal blocks for wiring.

Working Principle The module receives real-time speed feedback signal, compares measured speed with setpoint, calculates control output through internal PID algorithm, and sends driving command to actuator to adjust fuel or gas flow.

Installation Requirements Install in sealed dust-proof cabinet; separate weak signal cable and power cable; reliable grounding of module shell.

Usage Notes Backup parameter configuration before modification; anti-static operation when replacing the module.




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