Description
Woodward 8200-1302 505 Digital Turbine Governor with HMI Interface
1. Product Overview
The Woodward 8200-1302 is a compact digital governor designed for steam turbines, part of the 505 series, offering precise speed, load, and pressure control. It integrates a multilingual HMI screen (8.4-inch LCD) for intuitive operation, real-time monitoring, and parameter adjustments. The controller supports advanced features like critical speed avoidance, adaptive PID tuning, and remote connectivity via Modbus RTU/ASCII and Ethernet. While compatible with legacy 505 systems (e.g., 9907-164), it also integrates with modern DCS networks, making it ideal for retrofitting and new installations in power generation, oil and gas, and industrial manufacturing.
2. Technical Parameters
| Parameter | Specification |
|---|---|
| Input Voltage | 18–36 VDC (isolated) |
| Communication | Modbus RTU/ASCII, Ethernet |
| Display | 8.4-inch color LCD |
| Operating Temperature | -22°C to +70°C |
| Dimensions | 263 × 58 × 28 mm |
| Weight | 4.3 kg |
| Enclosure Rating | IP54 (optional marine-grade) |
| Control Modes | Speed, load, pressure, ratio/limiter |
| I/O Channels | 8 analog inputs, 20 digital inputs, 2 analog outputs, 8 relay outputs |
3. Advantages and Features
- Multilingual HMI: Supports Chinese and other languages for global accessibility.
- Advanced Control Algorithms: Optitune adaptive PID and acceleration PID minimize overshoot and optimize performance.
- Remote Monitoring: Real-time trending, data logging, and remote control via Woodward’s RemoteView software.
- Safety and Reliability: Three critical speed bands, reverse rotation detection, and vibration monitoring (with optional sensor kit 8928-7482).
- Legacy Compatibility: Direct drop-in replacement for older 505 systems using retrofit kit 5404-1801.
4. Application Areas and Case Study
Industries:
- Power generation (steam turbines).
- Oil and gas (refineries, offshore platforms).
- Industrial machinery (compressors, pumps).
Case Study:
A U.S. power plant upgraded its aging steam turbine control system with the 8200-1302, reducing downtime by 20% and improving load response accuracy by 15%. The HMI’s real-time diagnostics and adaptive tuning optimized energy efficiency, cutting operational costs by 12%.
A U.S. power plant upgraded its aging steam turbine control system with the 8200-1302, reducing downtime by 20% and improving load response accuracy by 15%. The HMI’s real-time diagnostics and adaptive tuning optimized energy efficiency, cutting operational costs by 12%.

5. Competitor Comparison
Compared to similar digital governors, the 8200-1302 offers superior ease of use with its graphical HMI and plug-and-play compatibility with Woodward actuators (e.g., Varistroke). Its adaptive control algorithms and modular design enable faster commissioning and lower maintenance costs than competitors, which often require complex software configuration or hardware modifications.
6. Selection Recommendations
- Compatibility: Verify actuator type (single/multi-stage) and DCS integration needs.
- Environment: Choose the marine-grade enclosure (IACS UR E10) for offshore or corrosive environments.
- Upgrade Path: Consider the 505 XT series (e.g., 8200-1310) for future-proofing and advanced cybersecurity features.
7. Precautions
- Installation: Ensure proper grounding and EMI shielding for reliable sensor performance.
- Software Updates: Regularly update firmware to access the latest control algorithms and security patches.
- Safety Testing: Conduct load rejection tests after installation to validate critical speed avoidance and trip functions.
声明
Shanxi Xinyeda International Trade Co., Ltd. is your trusted partner for Woodward 8200-1302 and other automation spare parts. Visit our website www.xydcontrol.com or contact us for sales and technical support.
Shanxi Xinyeda International Trade Co., Ltd. is your trusted partner for Woodward 8200-1302 and other automation spare parts. Visit our website www.xydcontrol.com or contact us for sales and technical support.


