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Type Terminal Terminal name Function description
+24V-COM
＋24V power
supply
Provide +24V power supply for
external units. It is generally used as
the operating power supply for digital
input/output terminals.
24V±10%, no-load vitual
voltage can not exceed 30V.
The maximum output current is
200mA. It is internally insulated with
GND.
OP
External power
input terminal
COM and 24V is internally
insulated .Connect to 24V by default
upon delivery.
When external signal is used to drive
DI1
～DI5, OP needs to connect to
the external power supply and
disconnect from the +24V power
terminal.(It is determined by the J4
jumper on the control board.)
AI1-GND
Analog input
terminal 1
（The default
pressure setting）
Input Voltage range：±10V
The resolution is 12 bit, the correction
precision is 0.5 pensent.
2、 Input resistance：100kΩ。Input
resistance: 100kΩ.
AI2-GND
Analog input
terminal 2
（The default flow
settup）
1 、 The resolution is 12 bit, the
correction
precision is 0.5 pensent.
2、 Input resistance：100kΩ。
Anal
og
Input
AI3-GND
Analog input
terminal 3
（default
pressure sensor
signal input）
1. Input range: ±10V/0 to 20mA,
which is determined by J3 jumper on
the control board. There is 12-bit
resolution, the correction
precision
is 0.5 pensent.
2. Input impedance: It is 100kΩ at the
time of voltage input and 500Ω at the
time of current input.
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