8. Peripherals and Options
- 221 -
When using the drive to drive asynchronous motor, a variety of electrical devices must be installed on both
input and output sides to ensure system safety and stability.
How to configure the drive AC drive (three-phase 380 to 480 V, 18.5 kW and above) to operate with the
peripheral devices is shown as below:
Grounding
Electromagnetic
contactor
Moulded case
circuit breaker
(MCCB) or leakage
breaker
Three
-phase AC
power supply
AC reactor
on input side
Braking
resistor
EMC filter
R S T
P(+)
W
VU
BR
+
-
Grounding
+
BR
-
PE
Braking unit
MDBUN
To prevent electric shock,
AC drive and motor must be
well grounded.
Braking
resistor
MD500
External operating
panel MD32NKE1
Motor
AC reactor
on output side
MF.
K
RUN
STOP
RES
QUICK
PRG ENTER
RUN
LOCAL/REMOT FED/REV TUNE/TC
RPM
%
A V
Hz
Fuse
Do not connect surge suppressor to output side of the AC Drive.
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