Key Features
✔ Advanced Dual-Loop Control – Speed & load regulation with auto-tuning PID
✔ Multi-Unit Synchronization – Isochronous (0% droop) or droop operation (0-10%)
✔ Dynamic Response Optimization – Adjustable gain for fast transient recovery
✔ Integrated Protection Functions – Overspeed, underspeed, load rejection, and sensor fail-safe
✔ Flexible I/O Configuration – 6x analog inputs, 8x digital I/O, 4x relay outputs
✔ Robust Industrial Design – IP65-rated enclosure for harsh environments

3. Technical Specifications
Electrical & Control Parameters
Parameter Specification
Power Supply 18–36V DC (24V nominal)
Current Draw ≤1.5A @ 24V DC (operational)
Speed Input Magnetic pickup (1–12,000 Hz) or analog (4–20mA/0–10V)
Analog Outputs 2x 4–20mA (actuator control)
Digital I/O 8x programmable inputs (24V DC), 4x relay outputs (5A @ 30V DC)
Performance Specifications
Parameter Specification
Speed Range 50–10,000 RPM (configurable)
Control Accuracy ±0.1% of setpoint (steady state)
Response Time <50ms (for 10% load step)
Droop Adjustment 0–10% (0.1% increments)
Environmental & Mechanical
Parameter Specification
Operating Temperature -40°C to +85°C (-40°F to +185°F)
Vibration Resistance 10G (IEC 60068-2-6)
Enclosure Rating IP65 (dust/water-resistant)
Dimensions 180 x 140 x 50mm (7.1" x 5.5" x 2")
Weight 1.4 kg (3.1 lbs)
4. Applications
Power Plants: Diesel/gas gensets, turbine control

Marine: Main propulsion engines, auxiliary power

Industrial: Compressors, pumps, and backup power systems

Oil & Gas: Pipeline compression, drilling rigs

5. Communication & Integration
Protocols: Modbus RTU (RS-485), CANbus (J1939)

Software: Configurable via Woodward Toolkit™ (v4.0+)

Compatibility: Interfaces with Woodward 2301D, ProAct® systems

6. Ordering Information
Base Model: 8273-1011 (standard version)

Optional Accessories:

8273-1011-CBL: Pre-wired harness kit

8273-1011-ETH: Ethernet communication module

7. Certifications & Compliance
Standards: IEC 61800, UL 508, CE, DNV-GL (marine)

EMC: EN 61000-6-4 (industrial immunity)

8. Notes
⚠ Configuration requires Woodward software (Toolkit v4.0+ recommended).
⚠ For marine applications, specify 8273-1011-M (marine-certified version).

This controller is ideal for modernizing mechanical governors or upgrading legacy systems to digital control. It can replace UG-8 or PG governors while offering superior precision and diagnostics.