GE IS200TTURH1CFD (IS230TNTRH1C) Turbine Terminal Board

Description

The GE IS200TTURH1CFD (compatible with IS230TNTRH1C) is a Turbine Terminal Board designed for the Mark VI and Mark VIe control systems. It serves as a critical interface between field instrumentation and turbine control modules, enabling precise signal conditioning, protection, and synchronization functions in gas and steam turbine applications.

Specifications

• Model Number: IS200TTURH1CFD

• Alternate Module: IS230TNTRH1C

• System Compatibility: Mark VI / Mark VIe Speedtronic™ control systems

• Input Channels: Supports 12 passive pulse rate devices for turbine speed sensing

• Voltage Inputs: Generator and bus voltage signals from potential transformers

• Output Voltage: 125 VDC for main breaker coil (52G)

• Sensor Inputs: Shaft voltage and current sensors

• Relay Configuration: K25, K25P, K25A relays for breaker control

• Communication Ports: JR1, JR5 (simplex); JR1/JS1/JT1 and JR5/JS5/JT5 (TMR)

• Operating Temperature: -30°C to +65°C

• Dimensions: Approx. 305 mm × 229 mm × 76 mm

• Weight: ~1.8 kg

• Mounting: Panel or rack-mounted

Features

• Turbine Protection Interface: Connects to VTUR module for speed and breaker control

• Multi-Signal Processing: Handles voltage, current, and pulse rate inputs for turbine diagnostics

• Relay Voting Logic: Supports 2-out-of-3 voting in TMR systems for fault tolerance

• Soft-Start Power Sequencing: Regulates inrush current during power-up

• Diagnostic LEDs: Indicate power status, signal health, and relay actuation

• Modular Design: Supports simplex and TMR configurations with scalable I/O packs

• Environmental Resilience: Conformal-coated PCB and EMI shielding for harsh conditions

• System Integration: Seamlessly connects with GE control boards like IS200UCSAH1A and IS200DSCCB1B