Woodward 8237-1596
Product Name: ProTech-GII Overspeed Detection System (Bulkhead Mount, HV/LV, Voted Relays)
Product Introduction: An enhanced bulkhead-mounted overspeed protection system with voted relay outputs, designed for high-reliability turbine safety applications. It combines triple-modular redundancy with advanced communication and diagnostic features.
Technical Specifications:
- Mounting Type: Bulkhead mount
- Power Input: HV (90–264 VAC) and LV (24 VDC)
Detailed content
- Operating Temperature: -20°C to +60°C
- Enclosure Rating: IP56
- Dimensions: 330 × 486 × 153 mm
- Weight: Approx. 2.3 kg
- Speed Inputs: 3 MPU channels
- Relay Outputs: 2-out-of-3 voted trip relays
- Communication: Modbus TCP/IP (Ethernet) and RS-485
- Certifications: API 670, API 612, SIL-3 compliant
Functional Features:
- Enhanced 2-out-of-3 voting logic for maximum safety
- Integrated voted input monitoring for critical signals
- Online module replacement without system shutdown
- Advanced self-diagnostics and health monitoring
- Expanded data logging for predictive maintenance
- Improved electromagnetic compatibility (EMC) performance
- Seamless integration with DCS and PLC systems via Modbus
Application Scenarios:
- Large-scale utility turbine protection
- Critical process turbine applications
- Oil and gas offshore platforms
- Power generation plants with high availability requirements
- Industrial facilities with corrosive (sulfurous) environments












