Technical Specifications 24VDC power supply; speed pulse input channel; analog and discrete I/O interfaces; communication interface for parameter configuration. Operating temperature: -40℃ ~ +85℃.
Functional Features PID closed-loop speed regulation; load limiting control; overspeed monitoring; fault self-diagnosis and historical event storage.
Application Scenarios Steam turbine, gas engine and diesel genset governing cabinets.
Performance Parameters Fast dynamic response during load fluctuation, high speed control precision, reliable long-term continuous operation.
Structural Characteristics Rack pluggable printed circuit board, metal shielding layer, onboard wiring terminals.
Working Principle The board acquires real-time rotational speed pulse signal, compares measured speed with target setpoint, runs PID algorithm and outputs control command to actuator driver to adjust fuel/gas flow.
Installation Requirements Install in ventilated dust-proof cabinet; shielded twisted pair cable for speed pulse signal.
Usage Notes Check speed signal waveform during commissioning; anti-static protection required for disassembly and replacement.
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