Main Circuit Terminals - INVT Goodrive20-UL VFD Series Operation Manual

Goodrive20-UL Series VFD
 Remove the yellow warning labels of PB, (+) and (-) on the terminals before connecting the
braking resistor; otherwise, poor connection may occur.

3.2.2 Main circuit terminals

Terminal
L
Power input of the main
N
U
V
W
PB, (+) Braking resistor terminal PB and (+) are connected to the external resistor.
PE Grounding terminal
Terminal
Power input of the main
R, S, T
U, V, W
PB, (+) Braking resistor terminal PB and (+) are connected to the external resistor.
PE Grounding terminal
Note:
 Do not use asymmetrically motor cables. If there is a symmetrically grounding conductor in
the motor cable in addition to the conductive shield, connect the grounding conductor to the
grounding terminal at the VFD and motor ends.
Figure 3-4 1PH terminals of main circuit
Terminal name
circuit
The VFD output
Figure 3-5 3PH terminals of main circuit
Terminal name
circuit
The VFD output
1-phase AC input terminals which are generally
connected with the power supply.
3-phase AC output terminals which are generally
connected with the motor.
Each machine should be grounded.
3-phase AC input terminals which are generally
connected with the power supply.
3-phase AC output terminals which are generally
connected with the motor.
Each machine should be grounded.
-15-
Installation guidelines
Function
Function