Hardware Description
22
4.9 Distance Potentiometer
a. Distance potentiometer description
A linear sliding resistor is used to implement position detection. When the resistor slides, the resistance
changes and position signal is output.
Note: The sliding resistor is a very sensitive and precise device. When disassembling or assembling the resistor,
be careful not to touch peripheral components and not to pull the connection cable.
b. Main test point: None
c. Socket numbering and definition:
Socket for connection to
pressure and speed
detection board of the
syringe pump
Used for connection to J5 of the syringe
pump’s drive assembly circuit board.
4.10 Syringe Size Potentiometer
a. Syringe Size potentiometer description
A linear sliding resistor is used to implement position detection. When the resistor slides, the resistance
changes and position signal is output. The specification potentiometer is used to identify the syringe size.
Note: The sliding resistor is a very sensitive and precise device. When disassembling or assembling the resistor,
be careful not to touch peripheral components and not to pull the connection cable.
b. Main test point: None
c. Socket numbering and definition:
Socket for connection to
LCD main control board
Used for connection to J4 of the LCD
main control board.
4.11 Battery Pack
a. Description:
The HP-30 adopts a 11.34V/2900mA lithium-ion battery pack.
b. Main test point:
The battery volume
affects the voltage.
Note: The quality of a battery pack cannot be judged based on the battery pack voltage. The actual operation
time of a battery pack can be measured after connecting it to the syringe pump.
c. Socket numbering and definition:
Socket for connection to
main board
Used for connection to J5 of the main
board.
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