Chapter 4 Installation and commissioning
21
Ch
ap
ter 4
4-5.
Control circuit terminals
4-5-1.
Control circuit terminals arrangement
1.
Control panel control circuit terminals
Diagram 4-13
：
Control panel control circuit terminals
4-5-2.
Description of control circuit terminals
Category
Symbol
Name
Function
Power
supply
+10V-
GND
＋
10V power
supply
10V power supply, maximum output current:
10mA
Generally it is used as power supply of external
potentiometer, potentiometer resistance range: 1kΩ to
5kΩ
+24V-
COM
+24V power
supply
24V power supply, generally it is used as power
supply of digital input and output terminals and external
sensor.
Maximum output current: 200mA
PLC
External power
input terminal
When external signal is used to drive, please unplug PLC
jumpers , PLC must be connected to external power
supply, and to +24V (default).
Analog
input
AI1-
GND
Analog input
terminal 1
1.Input range:(DC 0V to 10V/0 to 20mA), depends on
the selected AI1 jumper on control panel.
2.Input impedance: 20kΩ with voltage input, 510Ω with
current input.
AI2-
GND
Analog input
terminal 2
1.Input range:(DC 0V to 10V/0to 20mA), depends on the
selected AI2 jumper on control panel.
2.Input impedance: 20kΩ with voltage input, 510Ω with
current input.
AI3-
GND
Analog input
terminal 3
1, Input range:DC-10V~+10V
2, Input voltage 20kΩ
Digital
input
DI1
Multi-function
digital input 1
1.Opto-coupler isolation, compatible with bipolar input,
Jump line PLC selection decisions;
