Description
⚙️ Product Description
The GE IS200TBAIH1B is a TBAI Analog Terminal Board designed for GE Mark VI turbine control systems. It provides the field termination and signal interface for analog inputs and outputs used in turbine monitoring and control applications. The board supports 10 analog inputs and 2 analog outputs, with the inputs accommodating 2-wire, 3-wire, 4-wire, and externally powered transmitters. Its three DC-37 pin connectors allow the board to interface with associated VAIC electronics in simplex or TMR configurations. Jumpers can be used to configure input signal types and output current ranges. The board also incorporates signal-conditioning and noise-suppression circuitry for analog field signals. The supplied identification IS200TBAIH1BAA is the associated artwork/configuration identifier for the H1B board family, so the complete marking should be verified before replacement.
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | General Electric (GE) |
| Model | IS200TBAIH1B |
| Alternate / Artwork Marking | IS200TBAIH1BAA |
| Series | Mark VI |
| Product Name | Analog Terminal Board |
| Functional Acronym | TBAI |
| Product Type | Analog Input/Output Terminal Board |
| Analog Inputs | 10 |
| Analog Outputs | 2 |
| Supported Transmitters | 2-wire, 3-wire, 4-wire, externally powered |
| Output Configuration | 4–20 mA / configurable current output depending on application |
| I/O Interface | 3 × DC-37 pin connectors |
| System Configuration | Simplex and TMR |
| Auxiliary Transducer Supply | 24 VDC available for compatible transmitters |
| Revision | H1B / Revision B |
| Place of Origin | USA |
| Product Status | Used / Surplus – verify actual stock condition |
| Dimensions | Approx. 11 × 4.5 × 1 in; verify before installation |
| Weight | Approx. 2 lb reference value |
| Discontinued | Legacy / obsolete Mark VI component |
🔧 Functional Features
• Provides analog field termination for GE Mark VI turbine controls
• Supports 10 analog input channels
• Provides 2 analog output channels
• Supports simplex and Triple Modular Redundant (TMR) configurations
• Accepts 2-wire, 3-wire, 4-wire, and externally powered transmitters
• Three DC-37 connectors provide interfaces to associated I/O electronics
• 24 VDC transmitter supply is available on the terminal board
• Jumper configuration allows selection of appropriate input/output signal types
• Designed for gas and steam turbine monitoring and control applications
❓ Frequently Asked Questions
Q1: What is the GE IS200TBAIH1B used for?
A: It is an analog terminal board used to connect field analog signals with the GE Mark VI turbine control system.
Q2: How many analog inputs and outputs does it have?
A: The TBAI supports 10 analog inputs and 2 analog outputs.
Q3: What types of transmitters can be connected?
A: The analog inputs can accommodate 2-wire, 3-wire, 4-wire, and externally powered transmitters, subject to the system configuration.
Q4: Can the IS200TBAIH1B be used in TMR systems?
A: Yes. The board supports both simplex and TMR configurations. In TMR applications, the three DC-37 interfaces are used with the associated control electronics.
Q5: What is IS200TBAIH1BAA?
A: IS200TBAIH1BAA is an associated artwork/configuration identifier for the IS200TBAIH1B board family. Always compare the complete markings on the existing board before ordering.
Q6: Is this board compatible with every Mark VI system?
A: Compatibility depends on the installed VAIC/I/O electronics, revision, wiring, and system architecture. A matching part number alone should not be treated as sufficient proof of interchangeability.
Q7: What should be checked before installation?
A: Confirm the board part number, revision, connector arrangement, jumper settings, field wiring, associated VAIC modules, and the required simplex or TMR configuration. Follow the applicable GE system documentation and site electrical procedures.
🛠️ Troubleshooting & Safety
If an analog channel is not operating correctly, inspect the field wiring, terminal connections, transmitter power, jumper configuration, DC-37 connectors, and associated VAIC electronics. Check for loose connections, damaged components, incorrect signal ranges, or configuration mismatches. Before removing or installing the board, isolate the applicable control-system power and follow qualified electrical maintenance procedures. Incorrect jumper settings or field wiring can result in invalid analog readings or incorrect control signals.
⭐ Recommended Same-Brand GE Models
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