DS3800NBIC Bridge interface circuit board

Part Number DS3800NBIC Manufacturer General Electric Country of Manufacture As Per GE Manufacturing Policy Series Mark VI/VIe Function Module Availability In StockGE Speedtronic Mark IV DS3800NBIC is a bridge interface circuit board on the Gas Turbine Control. The DS3800HBIC is made up of 26 integrated circuits that store a variety of minor electrical components like diodes, capacitors, and resistors. On the board, there are 12 transistors labeled with the reference designator Q, ranging from Q4 to Q15. Three more transistors are also recognized by the reference designator Q from Q1 to Q3, for a total of 15. A connector port on one end of the DS3800NBIC allows it to be expanded with additional boards or components. A range of capacitors in various forms and sizes are also included on the DS3800NB1C. Several resistance networks are included on the card. Each resistance network has a collection of resistors. By summing the resistances of each individual resistor inside, the overall resistance of the resistance network may be determined. Aside from the resistance networks, the board contains additional resistors. The resistance levels of each device are represented by bands of varying colors on each resistor. Diodes in black and blue colors are also seen on the board . A series of blue jumper pins are located on the board. Two pins can be connected with these jumpers, allowing for board adjustments. On one side of the board, there are 24 test points lined together. The DS3800NBIC will be tested using these test points to ensure that there are no issues with the part. A light-emitting diode, or LED, is also included in the board.BRIDGE INTERFACE

About the DS3800HCIB

The GE Turbine Control Board DS3800HCIB features a modular connector for attachment to a drive and retention levers to hold the board in the drive. The GE Turbine Control Board DS3800HCIB also is populated with 1 jumper, and 1 amber indicator LED. The board also has 1 20-pin connector, 1 50-pin connector, and multiple capacitors.

The capacitors on the GE Turbine Control Board DS3800HCIB have IDs that are visible on the surface of the board. They have a prefix of the letter C. The prefix is followed by a numerical value that is unique for each capacitor. C16, C19, and C28 are some of the IDs associated with the capacitors. The capacitors require some special consideration when the board is removed from the drive. The capacitors are designed to store high-voltages during normal processing. When needed, they also release the high-voltage current and this cycle of storing and releasing current is performed without hazard to the operator or other in the surrounding area. However, when the board is removed from the drive, the capacitors might still have stored some high-voltage current. This exposes the technician or others who touch the board to the risk of shock or electric burn.

However, the capacitors will release the current after power is removed from the drive in 30 seconds. In other words, the risk to the technician is eliminated if you wait 30 seconds before touching the board. After 30 seconds, open the retention levers and carefully remove the board.

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