Woodward 8444-1091A
- Product Name: ProTech TMR Overspeed Protection Module
- Product Description: A triple modular redundant (TMR) overspeed protection module designed to prevent catastrophic failure of rotating machinery. It provides independent speed monitoring and trip functionality for engines, turbines, and compressors in safety-critical applications.
- Technical Specifications:
- Power Supply: 120 VAC/VDC (90–150 V range)
Detailed content
-
- Speed Input: 3 independent magnetic pickup channels
- Trip Speed Range: 250 RPM to 25,000 RPM (field-adjustable)
- Voting Logic: 2-out-of-3 voting for fault tolerance
- Response Time: Less than 5 ms
- Operating Temperature: –40 °C to +70 °C
- Safety Rating: SIL 3 compliant
- Dimensions: 274 mm × 214 mm × 59 mm
- Key Features:
- TMR architecture eliminates single points of failure.
- Independent power supplies for each speed sensing channel.
- Hot-swappable design for online replacement without system shutdown.
- Comprehensive self-diagnostics and fault logging.
- Compatible with all Woodward control systems and third-party devices.
- Applications:
- Safety-critical gas/steam turbine overspeed protection.
- Industrial diesel/gas engine protection systems.
- Marine propulsion and auxiliary engine safety systems.
- Oil & gas compressor and pump protection.
- Nuclear and thermal power generation plants.












