8440-1715
May 26, 2026

8440-1715

Woodward 8440‑1715 is a ProAct Series Digital Electronic Governor (Speed Controller) designed for diesel and gas‑engine‑driven generator sets, marine prime movers and industrial engines. It provides high‑precision closed‑loop speed regulation, direct PWM drive for fuel actuators, overspeed protection and fault self‑diagnosis. Featuring fast response, robust anti‑interference performance and wide‑temperature adaptability, it is widely applied in power generation, oil & gas, mining and heavy‑duty marine environments.

Description

Core Functions

  1. Precise closed‑loop speed control, stable frequency output under varying load conditions

  2. Direct PWM driving for Woodward fuel‑control actuators

  3. Built‑in overspeed protection, fault diagnosis and alarm output

  4. Supports isochronous control for standalone gensets and droop control for parallel‑running units

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

  6. Parameter tuning through dedicated Woodward PC configuration software

Electrical Specifications

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

  • 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


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