The GE IS200TBAIH1CDC is an Analog Input/Output Terminal Board designed for GE Mark VI and Mark VIe turbine control systems. It functions as a critical field termination layer, interfacing analog signals from industrial sensors and transmitters to the control system’s VAIC/PAIC modules. Its role is essential in ensuring accurate signal conditioning, stable data transmission, and reliable control of turbine and process variables.
In demanding power generation environments, this module is widely valued for its strong noise immunity, flexible signal handling, and dependable long-term operation under harsh industrial conditions.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | General Electric (GE) |
| Model | IS200TBAIH1CDC |
| Series | Mark VI / Mark VIe Speedtronic |
| Module Type | Analog Input/Output Terminal Board |
| Function | Signal termination for analog I/O channels |
| Analog Inputs | 10 channels |
| Analog Outputs | 2 channels |
| Input Signal Range | 1–5 V DC / 4–20 mA |
| Output Capability | Current loop outputs (configurable load) |
| Power Distribution | 24 VDC field supply support |
| Signal Conditioning | Load resistors & current limiting circuits |
| Communication Interface | VAIC / PAIC controller integration |
| System Compatibility | Simplex or TMR configurations |
| Operating Temperature | -30°C to 65°C |
| Power Consumption | < 31 W |
| Connectors | 3 × DC-37 pin connectors |
| Dimensions | Approx. 101 × 330 mm |
| Weight | ~0.5–1.0 kg |
The board is designed to support both input acquisition and output signal distribution within GE turbine control architectures, making it a key part of the field interface layer.
System Role & Functional Behavior
The IS200TBAIH1CDC operates as the physical interface between field instrumentation and control logic, performing several essential functions:
- Receives analog signals from process sensors (pressure, temperature, flow, etc.)
- Conditions signals using filtering, load balancing, and protection circuits
- Routes data to VAIC/PAIC control modules for processing
- Distributes controlled analog outputs back to field devices
- Supports redundant signal paths in TMR systems for higher reliability
In turbine systems, it ensures that analog measurements remain stable and accurate even in electrically noisy environments typical of power plants.
Recommended Related Modules
To build a complete Mark VI analog control architecture, IS200TBAIH1CDC is commonly paired with:
- IS200VAICH1C Analog Input Controller Module
- IS200PAICH1A Analog Output Controller Module
- IS200TBCIH1C Discrete Input Terminal Board
- IS215UCVEM06A Control Processor Module
These modules work together to achieve full sensing, processing, and actuation capability.
Common GE Mark VI System Modules
Frequently used alongside this board:
- IS200TRLYH1B Relay Output Board
- IS200TSVOH1B Servo Control Module
- IS200TVIBH2B Vibration Monitoring Board
- IS200TTURH1B Turbine Protection Board
- IS220PDIOH1A Distributed I/O Pack
Each module supports a different layer of turbine control and protection.
