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The GE DS3800HAIA is an Analog Converter Card used in the GE Speedtronic Mark IV series of turbine control systems. This board is no longer in production and is considered a legacy part, primarily used for maintaining older systems.
Function and Purpose
The primary function of the DS3800HAIA is to convert real-world analog signals into a digital format that can be understood and processed by the system’s digital controllers. In a turbine control system, analog signals can come from various sensors that measure things like:
- Temperature (e.g., from thermocouples)
- Pressure
- Flow
By converting these signals, the board allows the digital control system to monitor the turbine’s status and make precise adjustments. It also features signal conditioning to ensure the analog signals are clean and accurate before conversion.
Technical and Design Features
The DS3800HAIA is designed for easy installation and configuration within a larger system.
- Analog-to-Digital Converter: The board is built around an integrated analog-to-digital converter (ADC).
- Connectors: It has two 34-pin connectors that allow it to interface with other boards in the control rack.
- Trimmers and Jumpers: The board includes two trimmer resistors and eight jumpers, which technicians can use to fine-tune the board’s operational settings.
- EEPROM Socket: It has a socket for an Electrically Erasable Programmable Read-Only Memory (EEPROM) module, which stores the board’s firmware and configuration data.
- Retention Levers: The card features retention levers for secure installation in the drive system.
