Technical Specifications Supply voltage:24 V DC; Speed input:magnetic pickup frequency signal; Analog output:4–20mA; Communication:Modbus RTU; Operating temperature:-40 °C ~ +85 °C; Enclosure:IP30.
Functional Features Closed-loop speed governing; overspeed protection; 4-20mA analog output for fuel valve; Modbus RTU communication; parameter configurable.
Application Scenarios Gas generator set speed control, diesel engine governing, cogeneration unit speed and load regulation.
Performance Parameters Speed control accuracy: ±0.25% rated speed; Control loop response:<50 ms; Overspeed detection response:<20 ms.
Material Composition Metal enclosure; PCB control board; terminal block; signal isolation circuit.
Structural Characteristics Panel mount metal housing; front keypad and display; terminal block for power, speed pickup and analog output.
Working Principle The controller receives engine speed signal from magnetic pickup, compares actual speed with set speed, calculates PID output, sends 4–20mA signal to proportional gas valve to adjust fuel quantity and stabilize engine speed.
Installation Requirements Panel mounting inside control cabinet; wire speed pickup, power and analog output; set engine parameters and calibrate PID.
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