Core Functions

1. Dual control modes: isochronous mode for constant‑speed operation of single unit; droop mode for load sharing of parallel‑running multiple units.

2. Built‑in high‑precision auto‑synchronizer to automatically match frequency, phase and voltage for smooth grid connection.

3. High‑precision PID closed‑loop speed control, supporting critical speed avoidance, valve stroke limit, load rejection protection and startup ramp control.

4. Real‑time overspeed monitoring, hardware‑level self‑diagnosis and multi‑channel relay alarm output.

5. 4‑20 mA analog remote setpoint input, compatible with upper‑level DCS/PLC linkage control.

6. Local parameter setting via front panel, online commissioning and real‑time monitoring by dedicated Woodward 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 hydraulic / electric actuators

• I/O: Programmable 4‑20 mA analog signals, multi‑channel digital signals

• Communication: RS‑232 / RS‑422, Modbus‑RTU protocol

• Safety Certification: Class 1 Div 2 hazardous area certified, industrial‑grade anti‑interference

Environmental & Mechanical Features

• Operating Temperature: −40 ℃ ~ +85 ℃

• Mounting Type: Panel‑mount installation

• Enclosure: Reinforced metal housing, dust‑proof and corrosion‑resistant for harsh industrial environments

Typical Applications

• Speed control and automatic grid synchronization for steam/gas turbines, diesel/gas engine generator sets

• Petrochemical plants, power plants and oil‑gas field compressors