General Electric DS200TBQAG1A Mark V LM Thermocouple Termination Module

Product Description

The DS200TBQAG1A is a Thermocouple Termination Module manufactured by General Electric for the Mark V LM gas turbine control system. It receives thermocouple input signals and distributes them to the corresponding TCQA or TCCA boards across the system cores. Furthermore, the board provides cold junction compensation circuits to support thermocouple signal measurement and processing.

Technical Specifications

Thermocouple Signal Distribution

The DS200TBQAG1A occupies the TBQA position in the R1 and R5 cores. In the R1 core, it receives 45 thermocouple input signals and distributes them in three groups of 15 channels:

• Thermocouples 1-15 are routed to the TCQA board in R1.
• Thermocouples 16-30 are routed to the TCQA board in R2.
• Thermocouples 31-45 are routed to the TCQA board in R3.

Meanwhile, the R5 configuration supports 42 thermocouple input signals connected to the TCCA board. The TBQA also supplies the associated cold junction signals for thermocouple measurement.

TBQA Connection Functions

The board uses three identified connections to transfer thermocouple signals and cold junction information between the cores and their respective control boards.

Cold Junction Compensation

Thermocouples generate voltage signals that correspond to temperature differences between their measuring junctions and reference junctions. The DS200TBQAG1A provides cold junction compensation circuits to account for the reference junction temperature when handling these signals. Therefore, its signal distribution and compensation functions form part of the thermocouple measurement path within the Mark V LM system.

Frequently Asked Questions

Q: What is the main function of the DS200TBQAG1A?

A: It receives thermocouple input signals, distributes them to the appropriate TCQA or TCCA boards, and provides cold junction compensation circuits.

Q: How many thermocouple signals can the DS200TBQAG1A handle?

A: The R1 configuration receives 45 thermocouple signals, distributed in three groups of 15. The R5 configuration supports 42 thermocouple input signals connected to the TCCA board.

Q: What is the difference between the R1 and R5 configurations?

A: R1 distributes 45 thermocouple signals to TCQA boards across R1, R2, and R3. In contrast, R5 handles 42 thermocouple signals associated with the TCCA board in R5.

Other Attributes

• Series: Mark VI IS200
• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of The GE Speedtronic Mark V

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