Ge IS200TBTCH1B
1. Product Overview
The GE IS200TBTCH1B is a thermocouple input terminal board of the General Electric (GE) Mark VI series, which is primarily applied to temperature measurement and control in industrial automation and control systems. As a core component of the Mark VI speed electronic series, this module is specially designed for the management and automatic operation of gas turbine and steam turbine control systems.
First launched alongside the GE Mark I product line in 1969, the IS200TBTCH1B has been widely adopted in industrial scenarios. It serves as a key functional module of the GE Digital Mark VI series.
2. Technical Specifications
2.1 Basic Parameters
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Parameter Item
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Specification
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Product Model
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IS200TBTCH1B
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Brand
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GE Fanuc / GE Digital
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Series
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Mark VI / Versamax
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Type
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Thermocouple Input Terminal Board
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Warranty Period
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3 years (12-month warranty provided by partial suppliers)
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2.2 Electrical Parameters
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Parameter Item
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Specification
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Input Voltage
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24V DC
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Output Voltage
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5V DC and 3.3V DC
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Maximum Power Consumption
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5W
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Communication Interface
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RS485
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2.3 Performance Parameters
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Parameter Item
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Specification
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Supported Thermocouple Types
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Type E, J, K, S, T (24-channel input)
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Channel Quantity
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16-channel or 24-channel input (records vary in different technical documents)
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Boolean Execution Speed
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0.8ms
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2.4 Environmental & Physical Parameters
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Parameter Item
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Specification
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Operating Temperature
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-40°C to +70°C or +85°C
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Storage Temperature
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-40°C to +85°C
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Relative Humidity
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5% to 95% (non-condensing)
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Ingress Protection Level
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IP20
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Dimensions
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120mm×80mm×45mm or 118×71×39mm
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Weight
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Approx. 0.2kg
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3. Product Features
- Multi-type Thermocouple Support: Compatible with input signals from Type E, J, K, S and T thermocouples to meet diverse industrial temperature detection demands.
- High-speed Data Processing: Equipped with a fast boolean execution speed of 0.8 milliseconds, ensuring efficient real-time data processing.
- Powerful Communication Capability: Adopts standard RS485 communication interface to support stable data transmission and signal processing.
- High Reliability & Stability: Features professional printed circuit board (PCB) design and is equipped with two terminal blocks for stable connection of sensors and actuators.
- Optimized Modular Design: Effectively reduces the Mean Time To Repair (MTTR) and simplifies daily maintenance work with excellent maintainability.
- Industrial Durability: Specially developed and manufactured for harsh and complex industrial operating environments.
- Electrical Isolation Protection: All input channels are equipped with independent electrical isolation functions to avoid signal interference and equipment damage.
4. Structure and Composition
The GE IS200TBTCH1B is a long-format printed circuit board with complete and standardized internal structural components. Its core configurations are as follows:
- Terminal Blocks: Two rectangular black terminal blocks, each with 24 silver terminals, totaling 48 terminals marked with white serial numbers from 1 to 48.
- Jack Connectors: Two independent jack connector ports marked JA1 and JB1.
- Resistor Components: Two rows of blue resistors arranged alternately in the center of the circuit board.
- Capacitor Components: Two rows of miniature silver capacitors arranged in an alternating layout.
- Edge Components: A row of functional components marked with the letter L on the right side of the board.
The module connects with external sensors and actuators through its terminal blocks, acting as a core interface to realize signal transmission and functional docking between the control engine and external field hardware.
5. Application Fields
The IS200TBTCH1B module is widely applied in industrial control scenarios requiring high-precision temperature monitoring and turbine automatic control, with specific application fields as follows:
- Gas Turbine Power Generation Systems: Realizes automatic control and stable operation of gas turbine and steam turbine systems.
- Steam Turbine Power Generation Systems: Serves as an essential core component of steam turbine control systems.
- Industrial Facilities: Applicable to real-time temperature monitoring and automatic control of various industrial production processes.
- Oil and Gas Production Platforms: Used for precision turbine control in oil and gas production processes.
- Speedtronic Turbine Control Systems: Special supporting module for GE official Speedtronic turbine control systems.

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