中文版
Description
Technical Specifications
| Product Model | **Woodward 8440-2168** |
| Manufacturer | Woodward, Inc. |
| Product Type | Digital Speed Control Module (Engine Governor) |
| Input Voltage | 18-32 VDC (Isolated, Redundant Inputs) |
| Output Signals | 4-20 mA Analog, PWM, CANbus (SAE J1939) |
| Speed Range | 0-12,000 RPM (Configurable) |
| Load Capacity | 10A @ 30 VDC (Actuator/Solenoid Drive) |
| Communication | Modbus RTU, Woodward EasyGEN Protocol |
| Operating Temperature | -40°C to 85°C (Conformal Coating Optional) |
| Certifications | UL 508, CE, ATEX Zone 2, IEC 60068 (Vibration/Shock) |
8440-2165–SPM-D2-11
Key Features & Advantages
The **Woodward 8440-2168** is a high-performance engine governor designed for precision speed control in demanding industrial and marine applications. Its adaptive PID algorithms automatically adjust to load changes, maintaining ±0.2% speed regulation accuracy. Dual-redundant CANbus interfaces ensure seamless communication with engine ECUs and control systems, while integrated diagnostics monitor overspeed, underspeed, and actuator health. The module supports Woodward’s Load Sharing Module (LSM) for parallel generator synchronization with <2% load imbalance.
Enhanced EMI shielding protects against interference from VFDs and welding equipment. The firmware includes pre-configured curves for gas, diesel, and dual-fuel engines. Woodward’s ToolKit software enables real-time tuning of acceleration/deceleration rates and transient response parameters.
Applications
Ideal for **marine propulsion engines** requiring dynamic positioning and throttle control. Used in **power generation** for prime/standby gensets (ISO 8528 compliance). **Oil & gas** applications include compressor engine control and offshore platform power management. Also deployed in **locomotives** and **mining vehicles** requiring MIL-STD-810G shock/vibration tolerance.
Related Products
**Woodward 2301A Load Sharing Module**.
**EGB-101P Actuator**. **ProAct Digital Governor**.
**LSM-322 Load Shedding Module**.
**EasyGEN-4500 Control System**.
Installation & Maintenance
**Installation**: Mount on DIN rail or panel with ≥50 mm airflow clearance. Use shielded twisted-pair cables for analog/CANbus signals. Calibrate speed sensors (magnetic pickups or encoders) via ToolKit’s autoconfiguration. **Maintenance**: Perform PID tuning biannually using load-step tests. Replace electrolytic capacitors every 8-10 years. Update firmware via Woodward’s USB Service Adapter (PN 9908-256). Validate redundancy failover annually.
Product Assurance
The 8440-2168 undergoes 1,000-hour accelerated life testing under full load cycling. Rated for 500,000+ operational hours MTBF. Includes a 2-year warranty with 15-year lifecycle support. Complies with ISO 8528-5 transient response and NFPA 110 emergency power standards. Woodward’s Global Service Network provides onsite calibration and legacy system upgrades (e.g., replacing 8232 analog governors).
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