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The GE DS215TCQBG1BZZ01A is a specialized Analog I/O (Input/Output) Card with firmware. It’s a key component of GE’s Mark V Speedtronic series of turbine and generator control systems, and it’s also known by the part number DS200TCQBG1B.
Function and Purpose
The primary function of this board is to act as a crucial interface between the Mark V’s digital control system and the analog signals from various sensors and field devices. Its key roles include:
- Signal Conditioning: It processes and conditions analog signals from sensors like proximity transducers, accelerometers, LVDT (Linear Variable Differential Transformer), and RTDs (Resistance Temperature Detectors). The board also handles standard current signals like 4-20 mA.
- Data Conversion: It converts these raw analog signals into a digital format that can be used by the main control processors for control, protection, and monitoring.
- Extended I/O: The board is an optional card used for extended I/O functions, which means it provides additional capabilities beyond the standard configuration of the Mark V system.
- Firmware-Driven: The “w/firmware” designation means the board contains its own on-board software that defines its specific functionality and manages the processing and communication of signals.
Technical and Design Features
The DS215TCQBG1BZZ01A is an industrial-grade circuit board designed for reliability in harsh environments.
- Group 1 Product: The “G1” in the part number indicates it belongs to the first group of its product family, representing a specific revision and a particular set of features.
- Redundancy: It can be used in both Simplex and Triple Modular Redundant (TMR) applications, which is a core feature of the Mark V system. In TMR applications, it is located in the R, S, and T cores.
- Hardware Configuration: The board features hardware jumpers that must be properly configured to accept inputs from different types of sensors, such as proximity transducers or accelerometers.
- Connectors and Indicators: The board is equipped with multiple connectors for power, data, and I/O signals, including a 50-pin connector. It also features LEDs to indicate its operational status and aid in diagnostics.
