Woodward 8444-1082 Digital Governor Controller with CAN Interface

Product Brief Introduction Digital engine governor controller with CAN bus interface, used for engine speed and load control, communicates with proportional gas valves over CAN network.
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Technical Specifications Supply voltage:24 V DC; Speed input:magnetic pickup; Communication:CANopen + Modbus RTU; Analog I/O: configurable 4-20mA; Operating temperature:-40 °C ~ +85 °C; Enclosure:IP30.

Functional Features CANopen bus communication; closed-loop speed and load control; overspeed protection; configurable analog I/O; fault recording.

Application Scenarios CAN bus networked gas engine control, large cogeneration unit, packaged generator set integrated governing system.

Performance Parameters Speed control accuracy: ±0.25% rated speed; CAN bus update cycle:10 ms; Fault log storage: up to 1000 records.

Material Composition Metal panel mount housing; multi-layer control PCB; isolated CAN transceiver; terminal blocks.

Structural Characteristics Panel mount metal enclosure; front LCD display and keypad; terminals for power, speed pickup, CAN and analog signals.

Working Principle Controller samples engine speed, runs PID control algorithm, sends setpoint command to CANopen proportional gas valve, and monitors valve feedback signal to regulate fuel flow and stabilize engine speed and load.

Installation Requirements Panel mount in control cabinet; connect speed sensor, power, CAN bus and analog wiring; configure engine parameters and PID tuning.




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