Chengdu Hilin Technology Hilintec S23 Series, User Manual

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S23 Micro Vacuum Liquid Pump Series User Guide
Copyright © Chengdu Hilin Technology Co., Ltd.
10
5
Electrical Connection
The electrical connection is a description of the external power
supply and signal wire connection of the product. The product
comes with standard connection wires, and the definitions of the
wires are distinguished by colors.
5.1
Definition of Signals
There are 5 motor wires for this product. The wiring and usage instructions are as
follows.
S.N. Color Function Explanation Remarks
1 Black Negative pole of
the power supply
2 Red Positive pole of the
power supply
DC12V
（±
10%
）
3 Yellow
FG feedback
signal (motor
speed feedback
signal, pulse
signal), the motor
outputs 6 pulses
per rotation
Output:
4V
≤
High Level
Low Level
≤
0.6V
The maximum rated
current of the FG
feedback signal is
3mA.
The internal of the
motor is open-drain, so
which requires a
pull-up externally.
Voltage DC 5V,
resistance 4.7k
Ω
.
4 White
Pulse Width
Modulation
（
PWM
）
Input
：
0V
≤
VIL
≤
0.8V
2V
≤
VIH
≤
..5V
（
15kHz
～
25kHz
）
Use PWM to change
the motor speed and
adjust the flow. PWM
input signal frequency
range: 15kHz
～
25kHz.
This port cannot be
used to control the start
and stop of the pump.
5 Orange
Control the start
and stop of the
Input
This signal line can be
used to control the start