Chapter 4 Installation and commissioning
22
Ch
ap
ter 4
4-3-2.Function description of main circuit terminal
Terminal
Name
Explain
R
Inverter input terminals
Connect to three-phase power supply, single-phase
connects to R, T
S
T
Ground terminals
Connect to ground
P, RB
Braking resistor terminals Connect to braking resistor
U
Output terminals
Connect to three-phase motor(Please do not connect single
phase motor)
V
W
+, -
DC bus output terminals
Connect to braking unit
P, +
DC reactor terminals
Connect to DC reactor(remove the shorting block)
4-4.
Control circuit terminals
4-4-1.Control circuit terminals arrangement
1.
Control panel control circuit terminals
Figure 4-15
：
Control panel control circuit terminals
4-4-2.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: 1 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.
