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GE IS200TTURH1CFD
Product Name: Turbine Terminal Board (also referenced as IS230TNTRH1C)
Product Overview: A turbine-specific terminal board designed for the GE Mark VIe turbine control system. It interfaces with the VTUR module to support speed detection, voltage monitoring, and turbine protection breaker control.
Detailed content
Key Specifications:
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System Compatibility: GE Mark VIe turbine control system
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Speed Sensor Input: Magnetic pulse pick-up (MPU) frequency from 2 Hz to 20 kHz
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Sensing Accuracy: ±0.05%
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MPU Sensitivity: 27 mV peak
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Voltage Inputs: Generator and bus voltage via potential transformers
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Trip Output Channel: 125 VDC for main breaker trip coil energization
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Shaft Sensors: Supports shaft voltage and current sensors
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Pulse-Frequency Devices: Up to 12 passive pulse-frequency devices supported
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Dimensions: 8.26 cm × 4.19 cm × 12.1 cm
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Operating Temperature: –30°C to +65°C
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PCB Technology: Surface-mount; conforms to industrial ruggedization standards
Functional Features:
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Multi-function interface managing speed, voltage, and shaft signal inputs
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High-precision rotational dynamics detection for the turbine
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Provides 125 VDC output for protection breaker trip activation
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Modular compatibility with VTUR and STUR modules (not DIN DTUR)
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Real-time monitoring enabling fast and reliable turbine protection
Application Scenarios:
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Speed detection and overspeed trip control for gas and steam turbines
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Generator and bus voltage supervision
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Main breaker control via trip coil drive
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High-reliability industrial and power-generation environments
Installation & Usage Notes:
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Install inside Mark VIe control cabinet with suitable panel cutouts
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Ensure proper termination of MPU, PT, and shaft signal wiring per GE manual
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Maintain ambient temperature within –30°C to +65°C
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Avoid exposure to moisture or contaminants; conformal coating provides PCB protection
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Verify speed input frequency range (2 Hz–20 kHz) matches sensor specifications before energizing
