Digital guide
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Woodward 5464-658
Product Name: Digital Speed Sensor Module (4-Channel)
Product Introduction: A high-precision speed detection module for turbine and engine control systems, processing signals from magnetic pick-up (MPU) and proximity sensors to provide accurate speed feedback. It delivers reliable speed measurement for critical safety and control applications.
Technical Specifications:
- Input Channels: 4 channels (MPU/proximity detector)
Detailed content
- MPU Frequency Range: 50 Hz – 25 kHz
- Proximity Frequency Range: 0.04 Hz – 2 kHz
- Input Impedance: 2000 ohms
- Resolution: 16 bits
- Power Supply: 12 VDC or 24 VDC, max 50 mA
- Operating Temperature: -40°C to +105°C
- Protection: IP65 rated
- Accuracy: Software calibrated to 0.03% full scale
Functional Features:
- Processes digital speed signals for turbine overspeed protection
- TTL/differential square wave output for controller compatibility
- High noise immunity for industrial electromagnetic environments
- Short-circuit protection per channel (100 mA fuse)
- 5 ms time stamping resolution for event tracking
Application Scenarios:
- Gas turbine overspeed protection systems
- Steam turbine speed control
- Hydro turbine monitoring
- Large diesel/gas engine speed detection
- Compressor and pump prime mover control
