DS200TBQEG1A - Analog Termination Module

DS200TBQEG1A - Analog Termination Module DS200TBQEG1A - Analog Termination Module

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SPECIFICATIONS

Part No.: DS200TBQEG1A
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Product Type: Analog Termination Module
Availability: In Stock
Series: Mark V

Functional Description

DS200TBQEG1A is an Analog Termination Module developed by GE. It is a part of Mark V control system, specifically in LM6000 gas turbine control applications. It functions as an interface point for various analog and speed-related signals between field devices and the TCQE (Turbine Control and Quasi-Analog I/O) board within the R1 core. Its primary role is to route incoming and outgoing analog signals, supporting both measurement and actuation functionalities for turbine control.

Application and Mounting

Within the LM6000 turbine control architecture, the TBQE module is physically located in slot seven of the R1 core, where it handles the full suite of analog signal routing used by the TCQE board. It is utilized across all LM-series engine applications and acts as the central terminal board for receiving and transmitting signals associated with machine protection, vibration monitoring, shaft speed, and position feedback.

Signal Interface and Functionality

The board interfaces with several types of analog sensors and feedback devices. The input signals it receives include:

  • Proximity transducers for position and displacement measurements.
  • Accelerometers for vibration monitoring.
  • LVDT/R (Linear Variable Differential Transformer or Rotary feedback) position feedback inputs for precise valve and shaft positioning.
  • RTD (Resistance Temperature Detector) inputs for temperature sensing.
  • Pulse rate inputs used for Low-Pressure (LP) shaft speed monitoring and shear protection logic.

These input signals are routed from the TBQE to the TCQE board, where they undergo signal processing and conversion for use within the turbine control logic. Conversely, analog output signals (in the 4–20 mA range) generated by the TCQE board are sent back to the TBQE board for distribution to external actuators or control devices.

Connection Points and Signal Routing

The board includes several dedicated connectors used to route signals between itself and the TCQE board:

  • JLLR: This is the primary connector that carries LVDT/R position feedback, RTD inputs, and pulse rate inputs to the TCQE board. It also receives the 4–20 mA output signals from the TCQE board for further transmission to the field.
  • JQQR: Used to transfer proximitor (proximity probe) and vibration sensor signals to the TCQE board for condition monitoring and protective actions.
  • JLLS/T and JQQS/T: These connectors are present on the board but are typically not used in standard configurations.

This modular connection design enables ease of installation and maintenance, and it ensures signal integrity through direct point-to-point cabling within the R1 core.

Hardware Configuration Options

The module features configurable hardware jumpers, specifically BJ1 and BJ2, which are used to select the maximum output current range for the analog output signals. The selectable output ranges are:

  • 0–20 mA, for standard analog signal transmission.
  • 0–200 mA, for higher-current applications where long-distance transmission or high-impedance loads require stronger signal drive.
  • These settings must be configured to match the requirements of the connected output devices to ensure proper operation and prevent overdriving of field components.

The WOC team is always available to help you with your Mark V requirements. For more information, please contact WOC.

Frequently Asked Questions

What is DS200TBQEG1A?
It is an Analog Termination Module developed by GE under the Mark V series.

Where is the TBQE board located in the Mark V system?
In LM6000 applications, the TBQE board is typically mounted in location seven of the R1 core.

What configuration options are available on the board?
The board includes jumpers BJ1 and BJ2, which allow users to select the maximum current output range for the analog outputs either 20 mA or 200 mA to match field device requirements.

Are there any unused connectors on the board?
Yes, the connectors labeled JLLS/T and JQQS/T are typically not used in standard configurations but are available for future expansion or custom applications.