Key Specifications
1. Power Supply
Input Voltage: 18-36 VDC (Nominal 24 VDC)

Power Consumption: <15W (Typical)

Redundancy: Optional dual power supply

2. Speed Sensing Inputs
Compatible Sensors:

Magnetic Pickup (MPU)

Proximity Sensor

Hall Effect Sensor

Frequency Range: 10 Hz to 20 kHz

Redundancy: Dual-channel input (Primary + Backup)

3. Control Outputs
Primary Output:

4-20 mA (Analog)

0-10 VDC (Analog)

PWM Output (For actuator control)

Auxiliary Outputs:

2x Analog Outputs (Configurable)

4x Digital Outputs (Relay/Open Collector)

4. Control Performance
Speed Regulation Accuracy: ±0.25% of setpoint

Response Time: <100ms (For 10% load change)

Adjustable PID Parameters:

Proportional (P), Integral (I), Derivative (D)

Acceleration/Deceleration Ramping

5. Communication & Connectivity
Standard Interfaces:

RS-232/RS-485 (For configuration)

CAN Bus (SAE J1939) (For engine communication)

Optional Protocols:

Modbus RTU (For SCADA/DCS integration)

Ethernet (Optional)

6. Protection & Diagnostics
Critical Protections:

Overspeed/Underspeed Shutdown

Loss of Speed Signal Detection

Engine Parameter Monitoring (Oil Pressure, Temp, etc.)

Diagnostic Features:

Fault Logging (Last 10+ Events)

Real-Time Speed Trending

7. Environmental & Mechanical
Operating Temperature: -40°C to +85°C

Humidity Resistance: 5-95% (Non-Condensing)

Vibration Resistance: 5g (MIL-STD-810)

Enclosure Rating: IP66 (Dust & Waterproof)

Functional Description
1. Speed & Load Control
Maintains precise engine speed under varying loads.

Supports isochronous mode (Fixed speed) or droop mode (Speed varies with load).

2. Load Sharing (Parallel Operation)
Enables equal load distribution between multiple generators.

Adjustable droop settings for grid synchronization.

3. System Protection
Overspeed/Underspeed shutdown (Configurable thresholds).

Fail-safe operation (Backup sensor support).

4. User Interface
LCD Display + Keypad for real-time monitoring.

Woodward Toolkit Software for advanced configuration.

5. Flexible I/O Configuration
4x Analog Inputs (For pressure, temperature, etc.).

6x Digital Inputs (Start/Stop, Fault Reset, etc.).

Typical Applications
✔ Power Generation – Diesel/Gas Gensets (Standalone or Parallel).
✔ Marine Propulsion – Engine Control for Ships & Offshore Rigs.
✔ Industrial Turbines – Gas/Steam Turbine Regulation.

Ordering & Documentation
Part Number: 8235-905

Manual Reference: Woodward 8235 Series Manual (PN: 8276-XXX)

For wiring diagrams or configuration, refer to official Woodward documentation.