IS200TBQBH1A - Thermocouple Termination Module

IS200TBQBH1A - Thermocouple Termination Module IS200TBQBH1A - Thermocouple Termination Module

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Part Number: IS200TBQBH1A
Manufacturer: General Electric
Series: Mark VI
Product Type: Thermocouple Termination Module
Number of channels: 24
Power supply voltage: 28 V dc
Voltage Range: 14 to 32 V dc
Mounting: DIN-rail mounting
Technology: Surface mount
Operating temperature: -30 to 65°C
Size: 33.02 cm high x 17.8 cm
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States
Manual: GEH-6153


IS200TBQBH1A is a Thermocouple Termination Module manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic Gas Turbine Control Systems. The Input Termination Module (TBQB) is situated in position seven within both the and cores. In the core, the TBQB board establishes connections to the TCQA and TCQC boards located in the core. Conversely, in the core, the TBQB connects to the TCQA and TCQC boards within the same core. This module is designed to manage various input signals, including voltage, vibration, and pulse rate signals.


  • JGR: This connector transmits vibration signals, as well as analog current and voltage signals, to the TCQA board within the respective cores (both and ).
  • JHR: This connector sends pulse rate input signals and compressor stall detection inputs to the TCQC board in the respective cores (both and ).


  • BJ1 to BJ4: These connectors are used in older applications to distribute the pressure transducer #1 input signal, which is used for compressor stall detection.
  • BJ5 to BJ7: When used in conjunction with BJ1 to BJ4, these connectors allow for the installation of a burden resistor on the pressure transducer #1 input signal. This modification converts the signal from a voltage to a current format.
  • BJ8 to BJ15: These connectors are used to configure the analog input signals, allowing them to be set as either current or voltage inputs.

WOC has the largest stock of OEM Replacement Parts for GE Speedtronic Control Systems. We can also repair your faulty boards and supply unused and rebuilt boards backed up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on parts and repairs, kindly contact our team by phone or email.


What types of thermocouples are supported?

Thermocouple Termination Modules typically support various thermocouple types, such as Type J, K, T, E, N, R, S, and B. Compatibility depends on the specific module and its configuration options.

Why is signal conditioning important for thermocouples?

Signal conditioning is crucial because thermocouple signals are low voltage and susceptible to noise and interference. Conditioning improves signal quality, accuracy, and reliability, ensuring precise temperature measurements are sent to the control system.

How are thermocouple connections organized in the module?

Thermocouple Termination Modules usually have labeled terminals or connectors for each thermocouple input. This organization simplifies installation, maintenance, and troubleshooting by providing a clear and structured connection point for each thermocouple.