14
is under 13.6V, the battery may not be fully charged or not charged.
(3)USB3 socket (BUS3):USB3.0 socket interface. To connect the external 5V DC power
supply, bar code scanner of RS485 serial port, drop sensor signal, nurse call, program
update of the power board and SYS02 board CPU.
The Definition of Socket Signal
+V BA
Drop
Mic_call
GND
CLKDA
/MCLR-VPP
b. The Main Testing Points: none
2.4.7 SYS02 Board
a. Circuit Introduction
The SYS02 board has follows main functions:
(1)The man-machine interactive operation and management: the touch screen and
keyboard input processing; interface and menu display; connecting to the power board
serial ports, to obtain the infusion pump parameters, alarm information, the sensor signal
display and alarm output; output the infusion parameters set by the user to power board to
make a driving operation.
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