Woodward 6945-670
Product Name: Woodward Turbine Protection Monitoring System Component
Product Overview: This model is part of Woodward’s Turbine Protection Monitoring System, contributing to comprehensive protection monitoring for steam turbines, gas turbines, and other prime movers. The system monitors speed conditions, vibration signals, and FSOV conditions to detect hazardous states and initiate protective trips.
Detailed content
Technical Specifications:
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System architecture: Control module with distributed I/O modules
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Monitored parameters: Speed conditions, vibration signal conditioning, FSOV condition monitoring
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Communication: Modbus RTU (RS-485) for integration with plant control systems
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LED indications for diagnostic status
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Configurable via connecting to the device and settings configuration interface
Functional Features: Multi-parameter trip detection; speed condition monitoring; vibration signal conditioning; FSOV condition monitoring; Modbus communication for SCADA/DCS integration; comprehensive troubleshooting and diagnostic capabilities via LED indications.
Application Scenarios: Protection monitoring for steam turbines, gas turbines, and other critical rotating machinery in power generation, mechanical drive, and process industries.
Structural Characteristics: Modular hardware architecture consisting of a central control module and assignable I/O modules. The system supports flexible I/O module assignments to match specific turbine protection requirements.
Working Principle: The control module continuously acquires and processes signals from I/O modules monitoring speed, vibration, and FSOV state. When any monitored parameter exceeds its configured trip threshold, the system initiates a trip action. All logic, thresholds, and I/O assignments are configurable through the device connection interface.
Installation Requirements: Install within a suitable control cabinet or enclosure per the system hardware configuration guidelines. Ensure proper module seating, grounding, and shielding of signal cables. Follow the example hardware configurations provided in the manual for reference.
Usage Notes: Always verify that the documentation is up to date against Woodward’s latest revision status. The turbine must be equipped with independent overspeed and overtemperature/overpressure protection as required by safety standards. Observe ESD precautions when handling electronic modules.












