GE DS200TCQFG1B Analog I/O Extender Board

GE DS200TCQFG1B Analog I/O Extender Board

د.إ8,888.00

The primary function of the $\text{DS200TCQFG1B}$ is to augment the system’s analog processing capacity and is often found in Mark $\text{V}$ panels that control both the turbine and associated systems, such as the $\text{GE EX2000/TC2000}$ drive or excitation equipment.

1. Analog Signal Conditioning

  • Extension: It provides additional ports for connecting and processing analog signals beyond the capacity of the main I/O cards.
  • Signal Integrity: It conditions, filters, and scales a variety of analog inputs (like $\text{mA}$ and $\text{VDC}$) to ensure they are accurately represented and reliable for the digital control processors.

2. Control Loop Support

The configuration of this board is key to managing several control functions, including:

  • Servo Control: It handles the I/O for elements related to servo regulator loops.
  • Position Feedback: It manages the processing of position feedback signals, often related to actuator or valve positions.
  • Regulator Tuning: The board’s onboard components (such as jumpers) allow for configuration of control parameters like regulator time constants.
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The GE DS200TCQFG1B is a specific revision of the Analog I/O Extender Card, also known by the functional acronym TCQF.

This board is an integral component of the GE Mark V Speedtronic Turbine Control System and is functionally titled the TC2000 Analog I/O Extension Card. The revision G1B indicates a minor revision or update compared to the $\text{G1A}$ board.

⚙️ Function and Role in the Mark V System

The primary function of the $\text{DS200TCQFG1B}$ is to augment the system’s analog processing capacity and is often found in Mark $\text{V}$ panels that control both the turbine and associated systems, such as the $\text{GE EX2000/TC2000}$ drive or excitation equipment.

1. Analog Signal Conditioning

  • Extension: It provides additional ports for connecting and processing analog signals beyond the capacity of the main I/O cards.
  • Signal Integrity: It conditions, filters, and scales a variety of analog inputs (like $\text{mA}$ and $\text{VDC}$) to ensure they are accurately represented and reliable for the digital control processors.

2. Control Loop Support

The configuration of this board is key to managing several control functions, including:

  • Servo Control: It handles the I/O for elements related to servo regulator loops.
  • Position Feedback: It manages the processing of position feedback signals, often related to actuator or valve positions.
  • Regulator Tuning: The board’s onboard components (such as jumpers) allow for configuration of control parameters like regulator time constants.

3. Triple Redundancy (TMR)

As a $\text{TCQF}$ board, it is typically housed within one of the three redundant control cores ($\text{R, S, or T}$) of the Mark $\text{V}$ system, ensuring that analog signal processing is backed up for high system reliability.

🔑 Key Difference from G1A

The G1B revision primarily denotes internal updates to the board, which could include:

  • Component obsolescence resolution.
  • Minor bug fixes in the onboard firmware (stored on the EPROM).
  • Changes to the physical component layout (artwork).

Functionally, the $\text{G1B}$ version is generally a direct replacement for the $\text{G1A}$ version, performing the same role of analog $\text{I/O}$ extension within the Mark $\text{V}$/$\text{TC2000}$ environment.

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