Core Functions

1. High‑precision closed‑loop speed control to maintain stable frequency under load fluctuations

2. Direct PWM driving for Woodward fuel‑control actuators

3. Integrated overspeed protection, fault diagnosis and alarm output

4. Supports isochronous control for single‑unit operation and droop control for parallel‑running gensets

5. Remote speed setpoint via 4‑20 mA analog input

6. Parameter configuration using dedicated Woodward PC tuning software

Electrical Specifications

• Power Supply: 24 VDC (wide‑range input: 18–40 VDC)

• Speed Input: Magnetic Pickup (MPU) sensor signal

• Actuator Output: PWM drive signal for fuel‑control actuators

• Analog Input: 4‑20 mA for remote speed reference

• Communication: Serial interface for monitoring and parameter adjustment

• EMC: Industrial‑grade electromagnetic interference resistance

Environmental & Mechanical Features

• Operating Temperature: −40 °C ~ +85 °C

• Vibration & Shock: Compliant with marine and heavy‑duty industrial standards

• Mounting: Panel‑mount installation

• Enclosure: Rugged metal housing, dust‑proof and shock‑resistant

Typical Applications

• Diesel & gas engine generator sets

• Marine auxiliary power and propulsion systems

• Oilfield, mining and industrial prime movers

• Continuous‑run and emergency backup power supply systems

WOODWARD 8575‑241

Product Overview

Key Functions

1. Precise closed‑loop speed control for stable frequency under varying loads

2. Direct PWM drive for Woodward fuel‑control actuators

3. Built‑in overspeed protection, fault detection and alarm outputs

4. Isochronous mode for standalone gensets; droop mode for parallel operation

5. Remote speed adjustment via 4‑20 mA analog input

6. Parameter tuning through Woodward dedicated service software

Electrical Specifications

• Power Supply: 24 VDC (18–40 VDC wide‑range input)

• Speed Input: Magnetic Pickup (MPU) signal

• Actuator Output: PWM drive signal

• Analog Input: 4‑20 mA remote speed setpoint

• Communication: Serial port for monitoring and configuration

• EMC: Industrial‑grade anti‑interference capability

Environmental & Mechanical Features

• Operating Temperature: −40 °C ~ +85 °C

• Vibration & Shock: Compliant with marine and heavy‑duty industrial standards

• Mounting: Panel‑mount

• Housing: Rugged metal enclosure, dust‑proof and shock‑resistant

Typical Applications

• Diesel and gas generator sets

• Marine auxiliary power and propulsion engines

• Oilfield, mining and industrial prime movers

• Continuous‑run and emergency standby power systems