Basic Specifications

• Brand: WOODWARD (USA Original)

• Model: 8271‑147

• Series: PG‑PL Analog Governor Controller

• Power Supply: 20–40 VDC

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

• Control Output: 0–200 mA (for driving electric actuators)

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

• Relative Humidity: ≤95% non‑condensing

• Speed Regulation Accuracy: ±0.25% of rated speed

• Protection: Reverse‑polarity protection, surge protection

• Mounting: Panel‑mount / DIN‑rail mount

Main Functions

1. Isochronous and droop speed control for genset parallel operation

2. On‑site calibration via built‑in potentiometers, no programming software needed

3. Fast response to sudden load changes

4. Compatible with Woodward rotary actuators and speed sensors

5. Supports DCS/PLC remote monitoring and control

6. Cooperates with overspeed protection systems for emergency shutdown

Product Advantages

1. Rugged industrial‑grade design, reliable performance in harsh environments

2. Compact structure, simple wiring, easy installation and maintenance

3. Mature analog control circuit, long service life and low failure rate

4. Suitable for new power unit construction and old‑system retrofits

5. Excellent anti‑interference performance for marine and heavy‑duty applications