



The GE IS200TTURH1BCC is a turbine protection input terminal board designed for the Mark VI Speedtronic control platform, serving as a critical interface for turbine speed sensing, voltage monitoring, and breaker control logic. It plays a central role in ensuring safe turbine operation by collecting high-integrity field signals and supporting synchronization and protection functions.
Engineered for demanding power generation environments, this module is built to maintain stable performance under extreme electrical and thermal conditions, making it a dependable component in mission-critical turbine control architectures.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | General Electric (GE) |
| Model | IS200TTURH1BCC |
| Series | Mark VI Speedtronic |
| Module Type | Turbine Protection Input Terminal Board |
| Function | Speed sensing, protection, synchronization |
| Speed Inputs | 12 passive pulse rate inputs |
| Pulse Frequency Range | 2 Hz – 20 kHz |
| Measurement Accuracy | ~0.05% of reading |
| Voltage Inputs | Generator / bus PT monitoring |
| Breaker Output Control | 125 VDC main breaker coil control |
| Operating Temperature | -30°C to +65°C |
| Communication Interfaces | JR1 / JR5 / multi-terminal connectors |
| Dimensions | Approx. 330 × 178 mm |
| Weight | ~0.7 – 1.5 kg (varies by revision) |
| Mounting | Panel / rack-mounted in control cabinet |
The board is typically used alongside VTUR and PTUR interface modules to manage synchronization and turbine protection logic.
Recommended Related Modules
For complete Mark VI system integration, the IS200TTURH1BCC is commonly paired with:
- IS200VTURH1C Turbine Speed Input Module
- IS200PTURH1A Potential Transformer Interface
- IS200TBCIH1C Discrete Input Terminal Board
- IS215UCVEM06A Control Processor Module
These modules ensure coordinated turbine monitoring, protection, and control execution.
Popular GE Mark VI System Components
Frequently used alongside or compared with this module:
- IS200TTURH1B Turbine Protection Board
- IS200TSVOH1B Servo Terminal Board
- IS200VAICH1D Analog Input Module
- IS200TRLYH1B Relay Output Board
- IS220PDIOH1A Distributed I/O Pack
Each plays a distinct role in building a complete turbine control ecosystem.