GE IS200TVIBH2BBB

1. Product Overview

The GE IS200TVIBH2BBB is a Vibration Terminal Board (TVIB) designed for use in the GE Mark VI and Mark VIe turbine control systems. It serves as the interface between field-mounted vibration sensors and the system’s processing modules, providing a stable, noise-free path for accurate vibration monitoring and machinery protection.

This board is essential in turbine, generator, and rotating equipment control, where precise vibration measurement ensures safe and reliable operation. Built with rugged materials and enhanced shielding, the IS200TVIBH2BBB maintains signal fidelity even in high-vibration, high-temperature industrial environments.

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2. Technical Specifications 

Parameter	Description
Manufacturer	General Electric (GE)
Model	IS200TVIBH2BBB
Type	Vibration Terminal Board (TVIB)
System Compatibility	Mark VI / Mark VIe Control Systems
Number of Channels	8 vibration sensor input channels
Sensor Types Supported	Accelerometers, velocity probes, proximity probes
Input Signal Range	±50 mV to ±20 V (sensor dependent)
Signal Conditioning	Differential input filtering, bias removal, signal isolation
Interface	Connects to I/O packs (such as IS220PVIBH1A) via DC-37 connector
Isolation	Channel-to-channel and field-to-system galvanic isolation
Operating Voltage	Supplied via Mark VIe backplane
Operating Temperature	–30°C to +65°C
Mounting Type	Panel or rack mounting
Connector Type	Screw terminals for field sensors, DC-37 for I/O pack connection
Shielding	EMI/RFI protection built in
Typical Applications	Turbine, compressor, and generator vibration monitoring

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3. Design and Construction

The IS200TVIBH2BBB board features eight individually isolated input channels, each equipped with signal conditioning components to ensure accurate sensor readings. The board connects directly to the IS220PVIB I/O pack, which processes the vibration data for diagnostics and protective actions.

Front-mounted screw terminals allow secure field wiring for proximity probes, velocity sensors, or accelerometers, while shielded traces and grounding paths minimize electrical noise. The DC-37 connector provides a reliable digital interface between the TVIB and the control module.

The “H2BBB” revision includes updated components for improved noise immunity and more robust physical construction, enhancing long-term reliability under continuous operation.

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4. Key Features

• Eight-channel vibration input interface

• Supports proximity, velocity, and acceleration sensors

• High signal accuracy with noise filtering and isolation

• Compatible with IS220PVIB I/O pack modules

• Rugged design for harsh industrial conditions

• Built-in shielding for EMI/RFI noise reduction

• Screw terminal access for easy field wiring

• Long operational life and minimal maintenance

• Integral grounding and overvoltage protection circuits

  
  

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5. Application Fields

The GE IS200TVIBH2BBB is typically used in:

• Gas and steam turbine vibration monitoring systems

• Generator and compressor control systems

• Power generation plants and rotating equipment diagnostics

• Industrial vibration analysis and machinery protection systems

• Oil and gas compressor stations and refineries

• High-performance automation systems requiring vibration data acquisition

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6. Installation and Maintenance

1. Mounting: Install the board onto a designated control panel or rack using approved mounting hardware.

2. Wiring: Connect field vibration probes to the terminal blocks, observing polarity and shielding instructions.

3. Connection to I/O Pack: Attach the IS220PVIBH1A I/O pack to the DC-37 connector to establish data communication.

4. Grounding: Properly ground the board and cable shields to minimize interference.

5. Testing: Verify channel functionality using GE ToolboxST software or system diagnostics.

6. Maintenance: Inspect terminals regularly for loosened connections, corrosion, or cable wear. Replace the board if signal irregularities persist.

   
   

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7. Advantages and Reliability

The GE IS200TVIBH2BBB ensures high signal integrity, dependable vibration measurement, and simplified maintenance. Its rugged design and advanced filtering allow continuous monitoring of critical rotating machinery, enabling predictive maintenance and preventing costly failures. This terminal board forms a vital part of GE’s Mark VIe control architecture, trusted worldwide for turbine and generator protection.