The DS3800DFXX1B1B is a circuit board module part within the Mark IV turbine control system. The Mark IV is just one of the Speedtronic systems created by General Electric for the management and control of industrial gas and steam turbine systems. The Mark IV increased its reliability through the use of a new architecture (TMR) while maintaining low costs through a modular design.
The DS3800DFXX1B1B board functions as an interface board that allows the system to connect to an outside network. This is done directly through ribbon connectors. The ribbon connectors on this board are located on the long board edges, with two on one edge and one on the other edge. The board has seven jumper pins located in a single line near the middle of the board. If you are replacing a current board, you should note your current jumper settings and duplicate them on your replacement board.
Other board components include a single potentiometer, three test points, integrated circuits, resistors, transistors, and capacitors. Most components are marked with some sort of reference designator and may also carry their original manufacturer code. General Electric manuals and user guides will help you with installation and will help you better understand the different codes written on the board’s surface. These codes should give you additional information regarding wiring and the proper positioning of the board.
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