8516-038
May 26, 2026

8516-038

Woodward 8516‑038 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 integrates high‑precision closed‑loop speed regulation, direct PWM fuel‑actuator driving, overspeed protection and fault self‑diagnosis. Featuring fast dynamic response, strong anti‑interference performance and wide‑temperature adaptability, it is widely used in power generation, oil & gas, mining and heavy‑duty marine applications.

Description

Core Functions

  1. High‑precision closed‑loop speed control to keep stable frequency under variable‑load conditions

  2. Direct PWM drive for Woodward fuel‑control actuators

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

  4. Supports isochronous mode for single‑unit operation and droop mode for parallel 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 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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