Basic Parameters

• Brand: WOODWARD (USA Original)

• Model: 8271‑472

• Type: PG‑PL Analog Speed Governor

• Power Supply: 20–40 VDC

• Speed Input: 1–30 VAC RMS (magnetic pickup signal)

• Output Signal: 0–200 mA (for driving fuel actuators)

• Operating Temperature: −40 °C ~ +70 °C

• Humidity: ≤95% non‑condensing

• Speed Regulation Accuracy: ±0.25%

• Protection: Reverse polarity, surge protection

• Mounting: Panel‑mount / DIN‑rail mount

Main Functions

1. Isochronous & droop control for genset parallel operation and load sharing

2. On‑site adjustment by internal potentiometers, no programming needed

3. Fast dynamic response under sudden load changes

4. Matches Woodward rotary actuators and speed sensors

5. Compatible with DCS/PLC remote monitoring & control

6. Interlocks with overspeed protection for emergency shutdown

Advantages

1. Rugged industrial‑grade design for harsh environments

2. Simple wiring, easy installation and calibration

3. Stable analog circuit with high reliability

4. Suitable for new projects and system retrofits

5. Excellent anti‑interference for marine & heavy‑duty applications