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Table 3-1 RT20 series drive strong power terminals
Terminal
Labels
Name
Specifications
L1C
Control power
input terminals
Connect to single-phase 380V AC power
380V (-15%)-440V (+10%)
L2C
L1
Main power
supply input
terminals
Connect to three-phase 380V AC power
380V (-15%)-440V (+10%)
L2
L3
B1/P(+)
Braking resistor
terminals,
common DC
bus terminal
When using internal braking resistor, short
circuit B2 and B3.
When using external braking resistor,
disconnect B2 and B3, and connect the
braking resistor between P and B2.
When using a common DC bus, P/N
terminals are connected to positive/negative
voltage respectively.
B2
B3
N(-)
U
Motor power
terminals
It must be connected with the U, V, W, PE
terminals of the motor correspondingly.
(Note, the PE is the terminal on the metal
V
W