Woodward PROTECHGII 8237-1597
Product Name: Woodward ProTech-GII 8237-1597 Second-Generation Overspeed Protection Device
Product Introduction: Same ProTech-GII platform as 8237-1596; 8237-1597 version adopts high-voltage/low-voltage mixed redundant power supply, retains full overspeed/acceleration protection performance, dedicated for dual-power-supply industrial turbine safety occasions.
Technical Specifications:
- Power Supply: Dual redundant high-voltage + low-voltage mixed DC input
Detailed content
- Speed Inputs: 3 MPU passive/active speed sensors
- Speed Measuring Range: 0.5–32000 RPM
- Response Time: <12ms overspeed trip
- Operating Temperature: -20°C to +60°C
- Protection Class: IP56 front panel
- Communication: Modbus RTU RS485
- Architecture: 2-out-of-3 triple redundant voting logic
- Output: Dual redundant trip relays, alarm relays, 4–20mA analog speed output
Functional Features:
- Full compatibility with 8237-1596 software algorithm and functions
- Supports mixed high/low voltage power supply environments on site
- Integrated overacceleration detection, automatic self-test and data logging
- Sulfur-resistant anti-corrosion circuit coating
- Panel-mounted embedded installation, local LCD status display
Application Scenarios: Industrial steam/gas turbine units with dual high/low voltage power supply conditions, cogeneration power plants, marine turbine safety control systems.












