Specifications

Chapter 3 Mechanical and Electrical InstallationVFD‐G7 Series Frequency Inverter
Operation Manual

35
The main control circuit terminals
Type
Terminal
Symbol
Terminal Name Function
Power
10V-GND
External
connection+10v
p
owe
r
Provide +10V power for outside, Normally
used as working power of the external
p
otentiometer, potentiometer resistance
range: 1KΩ ~ 5KΩ
Max output current: 10mA
24V-COM
External
connection+24v
p
owe
r
Provide +24 V power for outside, generally
used as the power of digital input an
d
output terminals and external transducers.
Max output current: 200mA
PW
External inpu
t
p
owe
r
The user could directly connect the powe
r
to the external power (with COM), it could
also be connected to the +24V powe
r
p
rovide by native machine, PW and +24
V
are regarded as short circuit when delivery.
The short circuit plate should be remove
d
if the external power is used.
Analog
input
V1-GND
Analog input
terminal 1
1.Input voltage range: DC 0V~10V
2. Input resistance: 20KΩ
V2-GND
Analog input
terminal 2
1. Input range: DC 0V~10V o
r
4mA~20mA, Selected by jumper "JP2" on
the control board.
2. Input resistance: input voltage 20KΩ,
input current 500Ω.