8516-076
May 26, 2026

8516-076

Woodward 8516‑076 is a high‑performance ProAct Series Digital Electronic Governor (Speed Controller) for diesel and gas‑engine‑driven generator sets, marine propulsion engines and industrial prime movers. It integrates precision closed‑loop speed regulation, direct PWM fuel‑actuator drive, overspeed protection and fault self‑diagnosis. Featuring fast dynamic response, strong anti‑interference capability and wide‑temperature stability, it is widely used in power generation, oil & gas, mining and heavy‑duty marine applications.

Description

Key Functions

  1. Stable closed‑loop speed/frequency control under fluctuating loads

  2. Direct PWM output driving Woodward fuel‑control actuators

  3. Integrated overspeed protection, fault detection and alarm outputs

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

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

  6. Parameter configuration using Woodward dedicated service software

Electrical Specifications

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

  • Speed Input: Magnetic Pickup (MPU) sensor signal

  • Actuator Output: PWM drive signal

  • Analog Input: 4‑20 mA remote speed reference

  • Communication: Serial port for monitoring and tuning

  • EMC: Industrial‑grade anti‑interference performance

Environmental & Mechanical Features

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

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

  • Mounting: Panel‑mount

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

Typical Applications

  • Diesel & gas generator sets

  • Marine auxiliary power and propulsion engines

  • Oilfield, mining and industrial prime movers

  • Continuous‑run and emergency standby power systems


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