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Woodward PROTECHGII 8237-1596
Product Name: Woodward ProTech-GII 8237-1596 Second-Generation Triple Redundant Overspeed Protection Device
Product Introduction: Upgraded successor model of ProTech203, 8237-1596 version adopts high-voltage/high-voltage dual redundant power supply, 2-out-of-3 voting architecture, integrated overspeed & overacceleration detection, industrial panel-mounted overspeed safety protection equipment.
Detailed content
Technical Specifications:
- Power Supply: Dual redundant high-voltage AC/DC input
- Speed Inputs: 3 active/passive MPU speed sensors
- Speed Range: 0.5–32000 RPM
- Trip Response Time: <12ms
- Operating Temperature: -20°C to +60°C
- Protection Class: Front IP56, rear IP20
- Communication: Modbus RTU RS485
- Outputs: Dual redundant trip relays, independent alarm relays, 4–20mA speed output
- Hardware: Sulfur-resistant conformal coating, suitable for corrosive gas environments
- Architecture: Triple modular redundant (TMR), 2-out-of-3 voting logic
Functional Features:
- Integrated overspeed and overacceleration (df/dt) detection and trip logic
- Automatic periodic overspeed test routine and fault self-diagnosis
- MPU open-wire detection, signal loss and abnormal state protection
- Large-capacity trip/alarm/peak speed historical data logging
- Independent module hot maintenance, stable operation under single module fault
- Flexible configuration of trip threshold, delay time and logic mode
Application Scenarios: Steam turbine power generation units, gas turbine power stations, hydropower turbines, petrochemical high-speed rotating machinery safety protection systems.
