The GE IS200TVBAH2A is a high-performance VME Termination Board specifically engineered for the Mark VI Speedtronic control system. It serves as a critical interface component, facilitating reliable signal modulation and distribution within gas and steam turbine control architectures. Designed by General Electric, this board ensures the seamless communication of I/O signals between the control processors and the field equipment, maintaining the rigorous stability required for industrial power generation environments.
Product Parameters and Datasheet
General Specifications
- Model Number: IS200TVBAH2A
- Series: Mark VI Speedtronic
- Part Type: VME Termination Board / Modulator Interface
- Revision Codes: IS200TVBAH2ACC (including conformal coating)
- Country of Origin: USA
- Manufacturer: General Electric (GE)
Physical and Environmental Characteristics
- Dimensions: Approximately 17.8 cm x 12.7 cm (Standard GE Mark VI board sizing)
- Weight: 0.45 kg (0.99 lbs)
- Operating Temperature: -30 to +65 degrees Celsius
- Storage Temperature: -40 to +85 degrees Celsius
- Humidity: 5% to 95% non-condensing
Application Fields
The IS200TVBAH2A is primarily utilized in heavy-duty industrial automation and power utility sectors. Key applications include:
- Gas Turbine Control Systems (GE Frame 6, 7, and 9)
- Steam Turbine Control and Monitoring
- Power Plant Combined Cycle Operations
- Large-scale Industrial Process Automation
Product Instructions
To ensure optimal performance and longevity of the IS200TVBAH2A, follow these operational guidelines:
- Installation: Ensure the Mark VI rack is powered down before inserting the board. Use anti-static wrist straps to prevent ESD (Electrostatic Discharge) damage.
- Wiring: Connect field I/O cables to the designated terminal blocks, ensuring all screws are tightened to the specified torque to avoid signal noise.
- Configuration: Software configuration should be performed via the GE Control Toolbox to map the signals correctly to the central processor.
- Maintenance: Periodically check for dust accumulation and ensure the cooling fans within the rack are operational to prevent overheating.
Common Questions and Answers (Q&A)
Q: What is the difference between IS200TVBAH2A and IS200TVBAH2ACC? A: The “CC” suffix indicates that the board features a Conformal Coating. This provides an extra layer of protection against moisture, dust, and chemical contaminants in harsh environments.
Q: Is this board hot-swappable? A: No, GE Mark VI termination boards generally require the system or the specific rack branch to be powered down to prevent electrical surges or data corruption.
Q: How do I verify if the board is functioning? A: Monitor the diagnostic LEDs on the board and check for “Board Healthy” status signals in the HMI or Control Toolbox software.
Related Industry News
The industrial automation sector is currently seeing a significant shift toward the “Life Extension” of legacy systems like the GE Mark VI. As many power plants continue to rely on the robust Mark VI architecture, the demand for high-quality replacement parts such as the IS200TVBAH2A remains high. Recent industry reports highlight that maintaining original GE hardware ensures system integrity and avoids the unpredictable risks associated with third-party retrofitting. Furthermore, the push for digital twin integration in power plants is leading to more sophisticated diagnostic uses for these termination boards, allowing operators to predict maintenance needs before a failure occurs.
Recommended Similar Models
- GE IS200TVBAH1A – The primary predecessor or variant with slight signal configuration differences.
- GE IS200TRPAH1A – A common Turbine Primary Termination Board used in conjunction with the TVBA series.
- GE IS200TBCIH1C – Contact Input Termination Board often found in the same Mark VI cabinets.
- GE IS200TTURH1B – Specifically designed for turbine protection and primary trip functions.
- GE IS200VPROH1B – The associated VME Emergency Protection board that interfaces with termination units.



