Basic Specifications

• Brand: WOODWARD (USA Original)

• Model: 8271‑872

• Series: PG‑PL Analog Speed 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 control for genset parallel operation and load sharing

2. On‑site adjustment via built‑in potentiometers, no programming software required

3. Fast dynamic response under sudden load changes

4. Matches Woodward rotary actuators and magnetic speed sensors

5. Compatible with DCS/PLC remote monitoring and control

6. Cooperates with overspeed protection systems for emergency shutdown

Product Advantages

1. Rugged industrial‑grade design for harsh working environments

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

3. Mature analog control circuit with high reliability and long service life

4. Suitable for new‑build and old‑system retrofit projects

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