Key Specifications
1. Power Supply:

Operating Voltage: 18-32 VDC (24 VDC nominal)

Power Consumption: 8W typical

Reverse Polarity Protection: Yes

2. Speed Sensing:

Input Types: Magnetic pickup (MPU) or proximity sensor

Frequency Range: 10 Hz to 15 kHz

Input Sensitivity: 0.5 Vrms minimum

3. Control Outputs:

Actuator Drive:

4-20 mA analog output

0-10 VDC analog output

Output Resolution: 12-bit

4. Performance Characteristics:

Speed Regulation: ±0.5% of setpoint

Stability: <1% speed variation during load changes

Adjustable Parameters:

Speed setpoint

Gain

Stability

Acceleration/deceleration rates

5. Communication:

Configuration Port: RS-232 (front accessible)

Protocol: Proprietary Woodward protocol

6. Protection Features:

Overspeed Protection: Adjustable setpoint

Underspeed Detection: Configurable threshold

Fail-Safe Operation: Defaults to safe position on fault

7. Environmental Specifications:

Operating Temperature: -40°C to +70°C

Storage Temperature: -55°C to +85°C

Humidity: 0-95% non-condensing

Enclosure Rating: IP20 (requires protective enclosure)

8. Physical Characteristics:

Dimensions: 150 x 100 x 50 mm (W x H x D)

Weight: 0.5 kg

Mounting: DIN rail or panel mount

Functional Description
1. Speed Control:

Maintains constant engine speed under varying load conditions

Adjustable speed setpoint with ramp-up/ramp-down capability

Selectable isochronous or droop operation modes

2. Engine Protection:

Configurable overspeed shutdown

Speed signal loss detection

System fault monitoring

3. User Interface:

LED status indicators:

Power ON

Speed signal OK

Fault condition

Front-panel potentiometers for basic adjustments

4. Application Flexibility:

Suitable for mechanical and electronic actuators

Compatible with most small to medium industrial engines

Easy integration with existing control systems

5. Diagnostics:

Built-in fault detection

LED fault code indication

Communication port for detailed diagnostics

Typical Applications
Standby generator sets

Industrial pumping systems

Gas compression units

Small marine propulsion systems

Agricultural power units

Ordering Information
Base Model: 1766-523

Optional Accessories:

Configuration cable

Mounting kit

Protective enclosure

Documentation Reference
Installation Manual: 03072-XX

Technical Bulletin: TB1766-523