Mechanical and Electrical Installation VD120 Series Inverter User Manual
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3.3.2 Function Description of Control Circuit Terminal
Table 3-1 Function description of control circuit terminal
Type
Terminal
Sign
Terminal
Name
Function
10V-GND
10V power
supply
1.
Provide 10V power supply for
external-units.
2.
It is generally used as the external
potentiometer power. The potentiometer
resistance range is 1kΩ~10KΩ.
3.
Maximum output current 10mA.
Power Supply
+24V-GND
24V power
supply
4.
P24V power supply for external
units, only used as the working power
supply of digital output terminals.
5.
The maximum output current 100mA.
6.
Don’t use this power as an external
power supply.
Communication
485+-485-
RS-485
communicati
on terminals
Standard RS-485 communication terminal,
should use twisted pair cable
Analog Input
AI1-GND
Analog input
terminal 1
Support 0V~10V voltage or 0/4Ma~20mA
current input, selected by AI jumpers, default
to 0V~10V voltage input.
DI1-GND
Digital input
terminal 1
DI2-GND
Digital input
terminal 2
DI3-GND
Digital input
terminal 3
DI4-GND
Digital input
terminal 4
Digital Input
DI5-GND
Digital input
terminal 5
Multi-function digital input, the function set by
F5-01~F5-05.
Analog Output
AO1-GND
Analog
output
terminal 1
Support 0V~10V voltage or 0/4mA~20mA
current output, selected by jumper J3, default
to 0V~10V voltage output
Digital Output
DO1
Digital output
1
1.
Optical coupling isolation, dual polarity
open collector output;
2.
Pull-up voltage range: 5V~24V(pull-up
resistance range: 0.48kΩ~10kΩ);
3.
Output current range: 2mA~50mA.
Summary of Contents for VD120 Series
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