Veikong VFD500 Series Operation Manual page 19

Chapter3 product appearance and wiring
Table 3-3VFD500 control circuit terminal instruction
Type Terminal
Symbol
+10V
GND
Analog
input AI1
voltage
AI2
AO1
Analog
input
AO2
GND
+24V
Switch
PLC
input
COM
DI1~DI4
HDI
VFD500 high performance vector control frequency inverter user manual
Terminal
Name
10.10V± 1%
Maximum output current:10mA，it provides power
Input voltage
supply to external potentiometer with resistance range
of：1KΩ~51KΩ
Ananog
Internal isolation from COM
ground
Input voltage:0~10V：Impedance 22KΩ，Maximum
input voltage
Input current:0~20mA：Impedance 500Ω，Maximum
Analog
input1 input current
Through the jumper switch AI1 0 ~ 10V and 0 ~ 20mA
analog input switch, the factory default voltage input.
Input voltage:0~10V：Impedance 22KΩ，Maximum
input voltage
Input current:0~20mA：Impedance 500Ω，Maximum
Analog input
2 input current
Through the jumper switch AI1 0 ~ 10V and 0 ~ 20mA
analog input switch, the factory default voltage input.
Output voltage:0~10V：Impedance ≥10KΩ
Output current:0~20mA：Impedance 200Ω~500Ω
Analog
Through the jumper switch AO1 0 ~ 10V and 0 ~ 20mA
output 1
analog output switching, the factory default voltage
output.
Output voltage:0~10V：Impedance ≥10KΩ
Output current:0~20mA：Impedance 200Ω~500Ω
Analog
Through the jumper switch AO1 0 ~ 10V and 0 ~ 20mA
output 2
analog output switching, the factory default voltage
output.
Ananog
Internal isolation from COM
ground
24V± 10%，Internal isolation from GND
Maximum output current：200mA
+24V current To provide 24V power supply, generally used as a
digital input and output terminal power supply and
external sensor power
The factory default setting is connected PLC with
+24V
Digital input
Terminal for on-off input high and low level switch
terminal
When using the external signal to drive DI1~DI5, it
common
will disconnect the connector slip of PLC with the +24V
+24V ground Internal isolation from GND
Optocoupler isolation, compatible with bipolar input
Digital input
Frequency range：0~200Hz
terminal 1~4
Voltage range：10V~30V
Digital input Digital input terminal：same as DI1~DI4
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Terminal function description