Woodward 8521-0312 Enhanced Digital Governor Controller

Product Brief Introduction Upgraded version of 8521 series governor, with improved anti-interference performance and extended I/O capacity for heavy-duty engine governing.
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Technical Specifications Supply voltage: 24 V DC; Speed input: 0–10 kHz; Communication: Modbus RTU; Discrete I/O: configurable digital channels; Operating temperature: -40 °C to +85 °C; Enclosure: IP30.

Functional Features Enhanced EMC anti-interference; expanded digital input and output; speed and load control; event fault recording.

Application Scenarios Heavy-duty gas generator sets, landfill gas engines, high vibration industrial power units.

Performance Parameters Speed governing accuracy: ±0.2% rated speed; Fault log storage: up to 1000 event records.

Material Composition Reinforced metal housing; EMC-shielded PCB; isolated signal terminals.

Structural Characteristics Panel mount casing; front LCD and keypad; multi-channel terminal block for digital and analog signals.

Working Principle Collect engine speed signal, compute PID control value, drive fuel actuator, read digital status signals and record fault events for troubleshooting.

Installation Requirements Install in control cabinet; connect speed sensor, power, digital I/O and communication wiring; complete parameter configuration and tuning.




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