8. Peripherals and Options
- 229 -
8
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
V
U
BR
+ -
Grounding
+
BR
-
PE
Braking unit
MDBUN
To prevent electric shock,
AC drive and motor must
be well grounded.
Braking
resistor
MD290
External operating
panel MD32NKE1
Motor
AC reactor
on output side
R S T
W
V
U
+
BR
-
PE
MD290
MF.K
RUN
STOP
RES
QUICK
PRG
ENTER
RUN
LOCAL/REMOT
FED/REV
TUNE/TC
RPM
%
A
V
Hz
Fuse
er
Note
Do not connect surge suppressor to output side of the AC Drive.
Summary of Contents for MD290 Series
Page 1: ......
Page 79: ...3 Electrical Installation 78 3 ...
Page 80: ...4 Operating Panel Keypad Display 4 1 Introduction 80 4 2 Inbuilt LED Operating Panel 80 ...
Page 92: ...5 Quick Setup 5 1 Get Familiar With Operating Panel 92 5 2 Setup Flowchart 93 ...
Page 227: ...7 Interfaces and Communication 226 7 ...
Page 285: ...10 Troubleshooting 284 11 ...
Page 349: ......
Page 350: ......