Woodward 8273-1011 2301E Digital Generator Speed & Load Sharing Governor

Product Description

8273-1011 belongs to Woodward 2301E series, a digital governor for diesel/gas engine generator sets, made in USA.

It realizes precise speed regulation and synchronous load sharing for multiple gensets, supports droop, isochronous control modes. Equipped with MPU speed signal input, analog actuator drive and 8-channel digital I/O, RS232/RS485 communication for parameter configuration and Modbus data upload. All field signals adopt galvanic isolation, PCB with conformal coating, widely used as spare for power plant, offshore and backup generator control systems.

Technical Specifications

Model: 8273-1011, Brand: Woodward, Origin: USA

Application: Diesel / gas engine generator speed & load sharing control

Power Supply: 18–36 VDC nominal 24VDC

Speed Feedback: MPU signal 100–25000Hz

Actuator Output: Configurable 0–10V / 4–20mA drive signal

Digital I/O: 8 DI channels, 4 relay driver outputs

Communication Interfaces: RS232, RS485 Modbus RTU

Control Modes: Isochronous, droop load sharing for multi-generator parallel operation

Operating Temperature: -40℃ ~ +70℃ full load

Storage Temperature: -40℃ ~ +85℃

Humidity: 5%–95% non-condensing, conformal coated PCB

Protection Class: IP20 cabinet installation only

Mounting: Panel embedded mounting

Dimensions: 160 × 120 × 35 mm

Net Weight: ~1.5kg

Certifications: CE, UL industrial compliance

Key Features

Dual control modes for single unit stable speed regulation and multi-generator parallel load balance.

High-precision digital algorithm ensures low frequency fluctuation under variable load conditions.

Complete fault diagnosis detects speed loss, actuator failure, overtravel and power supply abnormality with front indicators.

RS232/Modbus RTU dual ports support local software tuning and remote SCADA alarm & data upload.

Independent opto-isolation for all field signals to resist strong EMI from engine and power equipment.

Built-in overspeed protection logic to cut fuel output and avoid generator damage under abnormal speed.

Compact panel mounting design, direct one-to-one replacement for aging 2301 series analog governors.

Wide temperature range anti-vibration hardware, stable 24/7 continuous operation for power generation equipment.