+86 15340683922
+86 15340683922الوصف
🔥 GE DS215TCQBG1BZZ01A I/O Extender Board
The GE DS215TCQBG1BZZ01A is an Analog I/O Extender Board (often referred to as the TCQB board) used in the General Electric Speedtronic Mark V Gas and Steam Turbine Control Systems.
It functions as an auxiliary processing board that extends the analog input/output capacity of the main control processors.
⚙️ Key Function and Specifications
The TCQB board handles a specific set of analog signal processing tasks, working in conjunction with other I/O boards in the system’s control core:
- I/O Extender: Its primary role is to provide additional analog I/O channels beyond what is available on the main Analog I/O board (TCQA).
- Analog Input: It is equipped with channels (typically 12 channels) designed to handle the standard industrial signal range of 4-20 mA for monitoring various process parameters from sensors and field devices.
- Analog Output: It provides an analog output current range of 0-20 mA, which is used to interface with control devices like actuators and valve positioners.
- Firmware: The “Circuit Board with Firmware” designation confirms it is a microprocessor-based board containing an EPROM (Erasable Programmable Read-Only Memory) chip to store its operational program instructions and data.
🔌 System Integration
- Series: It is part of the Mark V Series of turbine control systems.
- Application: It is installed within the control panel’s I/O racks, communicating with the main control processors and receiving signals from and sending signals to field terminal boards.
- Role: Its high bandwidth and ability to process both 16-bit and 32-bit addressing make it a robust component for real-time control and monitoring functions crucial for reliable turbine operation.
If you need to replace or repair this board, ensure the EPROM modules are correctly transferred from the old board to the new one, as they contain the specific firmware and configuration for your turbine application.
