



The GE IS215VTURH1BAA is a turbine control and protection module used in GE Speedtronic Mark VIe systems. It functions as a key interface between turbine field instrumentation and the control system, handling critical tasks such as speed measurement, overspeed protection coordination, generator synchronization, and system diagnostics.
Designed for power generation environments where stability and safety are non-negotiable, this module integrates real-time data acquisition with protection logic support, ensuring turbines operate within safe mechanical and electrical limits under all load conditions.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | General Electric (GE) |
| Model | IS215VTURH1BAA |
| Series | Mark VI / Mark VIe Speedtronic |
| Module Type | Turbine Control / Protection Interface Board |
| Functional Role | VTUR (Turbine Interface & Protection) |
| Speed Input Range | 2 Hz – 20 kHz |
| Speed Accuracy | ~0.05% of reading |
| MPU Inputs | Multiple passive magnetic pickup inputs |
| Relay Control | Overspeed trip relay coordination (via TRPx) |
| Flame Monitoring | Supports gas turbine flame detector inputs |
| Shaft Monitoring | Shaft voltage and current sensing |
| Synchronization | Automatic generator/bus synchronization |
| Communication | Ethernet / IONet interface |
| Processor | Embedded control processor (RISC architecture) |
| Operating Temperature | -30°C to 65°C |
| Power Supply | 28 VDC typical system supply |
| Dimensions | ~2.1 × 20.2 × 26.1 cm |
| Weight | ~0.42 kg |
The module operates as a high-speed turbine interface card, processing multiple sensor types and coordinating with protection and control subsystems for real-time decision-making.
System Role & Functional Behavior
The IS215VTURH1BAA sits at the heart of turbine supervision logic:
- Collects turbine speed signals from magnetic pickups
- Processes generator and bus voltage signals for synchronization
- Supports overspeed detection and trip coordination
- Interfaces with TRPG/TRPx terminal boards for emergency shutdown
- Monitors flame detection and shaft electrical conditions (gas turbines)
- Enables automatic breaker control and grid synchronization
In redundant architectures, it works alongside protection modules to ensure continuous safe operation even if part of the control system fails.
Recommended Related Modules
For full turbine control and protection architecture, IS215VTURH1BAA is typically used with:
- IS215VPROH1BD Protection Assembly Module
- IS215TREGH1B Emergency Trip Terminal Board
- IS200TTURH1B Turbine Protection Board
- IS200TSVOH1B Servo Control Module
- IS200VAICH1C Analog Input Module
These modules together form a complete turbine sensing–logic–actuation ecosystem.
Common GE Mark VI System Components
In similar industrial setups, engineers also deploy:
- IS200TRLYH1B Relay Output Board
- IS200TBCIH1C Discrete Input Board
- IS200TVIBH2B Vibration Monitoring Board
- IS220PDIOH1A Distributed I/O Pack
- IS200TSVOH1B Servo Terminal Board
Each supports a different layer of turbine control, protection, or field interfacing.