WOODWARD 8444‑1019F

Product Name

Woodward Digital Speed Control Unit

Product Introduction

Woodward digital electronic governor for closed‑loop speed control of internal combustion engines and gas engines. It receives speed feedback and outputs driving signal to actuate throttle adjustment, stabilizes unit rotational speed under load fluctuation.

Category:
Description

Technical Specifications

Power supply: 18‑32VDC; Magnetic pickup speed input; Analog output for actuator driving; Operating temperature: ‑40℃~+85℃; Ingress protection: IP20.

Functional Features

PID closed‑loop speed regulation; Dynamic load response control; Speed alarm; Overspeed protection; Local parameter configuration; Anti‑disturbance speed governing algorithm.

Application Scenarios

Diesel engines, gas engines, stationary generator sets, mobile power equipment, oil‑gas production power units.

Performance Parameters

Speed regulation accuracy: ±0.25%; Overspeed protection response: less than 100ms; Driving output current compatible with Woodward actuators; Power consumption: 12W.

Material Composition

Glass‑epoxy resin PCB; Aluminum alloy metal housing; Industrial‑grade capacitors and resistors; Vibration‑resistant connectors.

Structural Characteristics

Enclosed metal housing; DIN rail mounting; Multi‑group wiring terminals; Heat dissipation slots on housing.

Working Principle

Reads signal from speed sensor, compares actual speed with set value. PID calculation outputs driving current to actuator, adjusts engine fuel supply to maintain stable rotational speed.

Installation Requirements

DIN rail mounting inside control cabinet; Keep away from high‑temperature heat sources; Separate routing for power cables and signal cables; Shell grounding required.

Precautions for Use

Avoid severe vibration; Surge protection for power supply; Do not modify unconfirmed protection parameters; Periodically inspect speed sensor wiring.

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