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EFCS flowmeter monitoring board (bottom view)
2.2.5.2 Flow Sensor Board
The flow sensor board is mainly used to monitor the O2/N2O/air flow and feed back the detected
signals to the EFCS flowmeter monitoring board through the I2C bus.
Installation position of the flow sensor board
Flow sensor board (top view) Flow sensor board (side view)
2.2.5.3 BFCS Switch Board
The BFCS switch board is mainly used to monitor the open/closed status of the BFCS door. Two
Hall switches are used to feed back the status signals of the BFCS door to the EFCS flowmeter
monitoring board.
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