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The GE IS200TVIBH2B is a Vibration Terminal Board for the Mark VI series of GE’s Speedtronic Gas Turbine Control Systems. It acts as a critical interface, connecting vibration probes to the main VVIB board in the control system. The ‘H2B’ designation indicates that the board includes BNC connectors, which allow for quick and easy connection of portable vibration analysis equipment.
This board is an updated version of the IS200TVIBH2A and is generally considered a direct substitute. Many suppliers list both models and confirm that the H2B is compatible with both the Mark VI and Mark VIe control systems. Its primary function is to gather and route vibration data from sensors to the controller, which is essential for machine health monitoring.
Key Features and Functionality
The IS200TVIBH2B is a crucial component for maintaining the health and longevity of rotating machinery like turbines. Here’s a breakdown of its functions:
- Vibration Monitoring: The board is designed to interface with various types of vibration probes, including proximity, velocity, acceleration, seismic, and phase sensors. These probes measure different aspects of the machine’s movement, providing a comprehensive picture of its operational state.
- Signal Processing: The board receives the analog signals from the vibration probes and sends them to the VVIB board. The VVIB board then processes and digitizes these signals before transmitting the data to the main controller. The controller uses this data to generate alerts or trigger a trip (shutdown) if vibration levels exceed safe limits.
- Triple Modular Redundancy (TMR) Support: The board is designed to support both Simplex and TMR systems. In a TMR setup, a single TVIB board can be connected to three VVIB boards, providing a redundant system for enhanced reliability and safety. This redundancy is vital in critical applications where a single point of failure could be catastrophic.
- Maintenance Features: A key feature of the H2B board is its BNC connectors. These connectors are a significant benefit for maintenance, as they allow technicians to quickly plug in portable vibration data collection equipment. This enables on-site analysis without needing to interrupt the permanent monitoring system, making it an invaluable tool for preventive and predictive maintenance programs.
Technical Specifications
