Digital guide
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Woodward 9905-998
- Product Name: ProTech 203 Digital Overspeed Trip Device
- Product Description: A triple‑sensor overspeed protection system for prime movers, monitoring speed via three independent MPUs and triggering a safe shutdown on overspeed faults.
- Technical Specifications:
- Series: ProTech 203
Detailed content
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- Speed Sensors: 3 × independent magnetic pickups (MPUs)
- Trip Speed Range: 250–25,000 RPM (user‑configurable)
- MPU Fault Range: 100–25,000 RPM
- Power Supply: 24 V DC
- Outputs: 3 × relay trip outputs, alarm contacts
- Dimensions: 483 mm (W) × 311 mm (H) × 143 mm (D)
- Key Features:
- Triple‑modular redundant speed monitoring for safety
- Independent MPU fault detection with user‑adjustable timeout
- LED indicators for trip, MPU failure, and CPU fault
- Remote reset capability for system recovery
- Compliance with API 670 and IEC 61508 SIL 2 standards
- Applications:
- Gas/steam turbines, diesel engines, and generators
- Power generation, oil & gas, and petrochemical industries
- Critical rotating machinery requiring overspeed protection
