IS200TBQAH2A - Thermocouple Termination Module

SPECIFICATIONS:

Part Number: IS200TBQAH2A
Manufacturer: General Electric
Series: Mark VI
Product Type: Thermocouple Termination Module
Number of Channels: 24
Number of inputs: 12
Number of outputs: 125 V dc
Power supply voltage: 125 V dc
MPU Pulse Rate Range: 2 Hz to 20 kHz
Technology: Surface Mount
Common Mode Voltage Range: ±5 V
Dimensions: 17.8 cm wide x 33.02 cm
Operating Temperature: 30 to 65°C
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States
Manual: GEH-6153

FUNCTIONAL DESCRIPTION:

IS200TBQAH2A is a Thermocouple Termination Module manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic Turbine Control Systems. The Thermocouple Termination Module (TBQA) is located in the and cores. The TBQA terminal board can receive 45 thermocouple input signals. The TBQA in distributes its input signals as follows: 15 signals (thermocouples #1 through #15) to TCQA in , 15 signals (thermocouples #16 through #30) to TCQA in core, and 15 signals (thermocouples #31 through #45) to TCQA in . The TBQA board in can receive 42 thermocouple input signals, which are all connected to the TCCA board in . The TBQA board also provides the cold junction compensation circuits.

TBQA CONNECTIONS:

JAR - From the core, write thermocouple signals #1 through #15 and cold junction signal to the TCQA board in the core. From the core, writes the thermocouple signals #1 through #15 and the cold junction signal to the TCCA board in the core.

JAS - From the core, write thermocouple signals #16 through #30 and cold junction signal to the TCQA board in the core. From the core, write the thermocouple signals #16 through #30 and the cold junction signal to the TCCA board in the core.

JAT - From the core, write thermocouple signals #31 through #45 and cold junction signal to the TCQA board in the core. From the core, write the thermocouple signals #31 through #42 and the cold junction signal to the TCCA board in the core.

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FREQUENTLY ASKED QUESTIONS:

What is a thermocouple termination module?

A thermocouple termination module is a device used to interface and terminate thermocouple sensors. It provides the necessary connections and circuitry to ensure accurate temperature measurement and signal transmission.

How does a thermocouple termination module work?

The module connects to the thermocouple wires, amplifies the small voltage signals generated by the thermocouple, compensates for the cold junction temperature, and conditions the output for accurate temperature readings. It then communicates this data to a data acquisition system or controller.

Why is cold junction compensation important?

Cold junction compensation is essential because thermocouples measure temperature based on the voltage difference between two junctions, one at the measurement point and the other at the termination module. The module compensates for the temperature at its own cold junction, ensuring accurate temperature readings.