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Woodward 8237-1401
Product Full Name: Woodward 8237-1401 Independent Electronic Overspeed Protection Detection Module
Product Introduction: Original dedicated independent overspeed safety protection module from Woodward 8237 series. It works independently from main governor control system, monitors prime mover speed in real time, and outputs emergency shutdown signal immediately when overspeed fault occurs. It is a mandatory safety protection component for turbines and engines.
Detailed content
Technical Specifications:
- Operating Power Supply: DC 24V (18–32V wide voltage)
- Input Signal: Magnetic pickup speed pulse signal
- Overspeed Action Threshold: Adjustable rated speed 110%–120%
- Action Response Time: ≤50ms ultra-fast shutdown response
- Operating Temperature: -40°C to +70°C
- Output Contact: Normally closed safety shutdown relay contact
- Safety Certification: SIL2 functional safety compliant
Functional Features:
- Fully independent hardware overspeed detection, not controlled by main governor
- Real-time continuous speed monitoring without dead zone
- Instant emergency shutdown output under overspeed fault
- Built-in sensor open/short circuit fault detection protection
- Complete electrical isolation between detection circuit and shutdown circuit
- Independent power supply ensures reliable operation under main system failure
Application Scenarios:
- Steam turbine independent overspeed safety protection systems
- Gas engine generator overspeed shutdown control
- Industrial turbocompressor prime mover safety protection
- Marine engine propulsion overspeed protection equipment
- Power plant turbine emergency safety control systems
