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The GE DS3800XCIA is a backplane card for the GE Speedtronic Mark IV turbine control system.
Its main function is to serve as the structural and electrical backbone for the system’s other circuit boards. Rather than having a single large motherboard, a backplane system uses a main board with a series of slots and connectors. The other, more specialized, cards (often called “daughter cards”) plug directly into these slots. The DS3800XCIA provides the electrical pathways for communication and power distribution among all the connected cards. This modular design makes the system more reliable, as it eliminates the need for numerous cables and allows for easier replacement of individual cards.
Key Functions & Features
- Interconnects PCBs: The backplane card provides a group of parallel electrical connectors that link the pins of each connector together, forming a computer bus. This allows various printed circuit boards (PCBs) to be connected together to form a complete system.
- Power Distribution: The backplane not only provides data connections but also distributes power from the power supply cards to the other cards plugged into it. This ensures all components receive the necessary voltage to operate.
- Modularity and Reliability: Using a backplane design allows for a more modular system, as individual cards can be easily added, removed, or replaced. This improves system reliability by reducing the number of failure points associated with cables and makes maintenance more straightforward.
Technical Specifications (Inferred)
Due to the age of the Mark IV system, detailed public specifications for the DS3800XCIA are not widely available. However, based on its function and series, we can infer its role:
- Part Number: DS3800XCIA
- Series: GE Speedtronic Mark IV
- Function: Backplane card, providing a main hub for power and data
- Application: Turbine control systems
Related Components
As a backplane card, the DS3800XCIA is central to the system’s operation and interacts with nearly all other cards, including:
- Processor Cards: The main processing unit, such as the DS3800HCDA, plugs into the backplane to communicate with other I/O cards.
- I/O (Input/Output) Cards: Various I/O cards, such as thermocouple, digital, and analog I/O boards, connect to the backplane to send and receive data from field devices.
- Power Supply Cards: Power cards like the DS3800NTRF would connect to the backplane to supply the necessary power to all the other modules.
