NO.3 Wiring
7
No.3 Wiring
3.1 Arrangement of main circuit terminals
L1
L2
L3
DC+
DB
U
V
W
[Note] Screws on main control board serve as PE terminals for that of 0.4-1.5kW.
3.2 Arrangement of control terminals
FA
FB
FC
X6
X5
X4
X3
X2
X1
GND
AI1
AI2
12V
A0
3.3 Description of main circuit terminals
Symbol of
terminal
Name of terminal
Description
L1.L2.L3
Input power terminal
Connected to three-phase 380V power
(single-phase
220V
grade
machine
is
connected via terminals L1 and L2)
U.V.W
Inverter output terminal
Connected to three-phase motor.
DC+
DC terminal
DC bus output terminal is used for connecting
external brake unit or common DC bus
system. (DC- is not provided for partial
models)
DC-
DC output - terminal
DB
Brake output terminal
Connecting brake resistor between DB and
DC+.
PE
Earthing terminal
Inverter housing earthing terminal
must be
earthed
.