GE DS200TBQAG1A Thermocouple Termination Module

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Product Overview

The GE DS200TBQAG1A is a TBQA thermocouple termination module for the Speedtronic Mark V LM turbine control system. It brings turbine temperature signals onto one termination board and routes them to the associated TCQA or TCCA I/O board. The TBQA design accommodates up to 45 thermocouple inputs, arranged in three groups of 15, and provides cold-junction compensation circuits for temperature measurement. Its dedicated thermocouple function makes it distinct from the Mark V boards used for RTD, vibration, or milliamp signals.

Technical Specifications

Manufacturer: GE
Model: DS200TBQAG1A
Module type: TBQA thermocouple termination module
Control platform: Speedtronic Mark V LM
Signal type: Thermocouple inputs
Input capacity: Up to 45 thermocouple signals
Signal grouping: Three groups of 15

Features & Model Benefits

Industries Served
• Power Generation: Temperature monitoring in Mark V-controlled gas turbine units and generating plants.
• Oil & Gas: Turbine control systems used with gas compression and other turbine-driven equipment.
• Petrochemicals: Temperature signal handling for gas turbines supporting continuous plant operations.
• Industrial Cogeneration: Turbine temperature monitoring in facilities producing both electricity and process heat.

Frequently Asked Questions

Q1. What does the DS200TBQAG1A do?
It terminates thermocouple temperature signals and passes them, together with cold-junction signals, to the appropriate Mark V I/O board.
Q2. How many thermocouple signals can the TBQA board receive?
The board can receive up to 45 signals in three groups of 15. The GE manual also describes a 42-input arrangement connected to the TCCA board in a different core configuration.
Q3. Which boards receive signals from the TBQA?
The manual identifies the TCQA and TCCA boards; the destination depends on how the Mark V control cores are configured.
Q4. What are JAR, JAS, and JAT used for?
They carry the three thermocouple signal groups and their corresponding cold-junction signals from the TBQA board.

Company Profile
About Us:A professional supplier of industrial automation spare parts, mainly providing module spare parts for globally renowned brands of DCS systems, PLC systems, robot systems, and large servo control systems.
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Product category: Rare, legacy or brand new PLC, HMI, DCS, hard drive, sensor, power supply.