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1.2 Inverter and peripheral devices
Three-phase AC power supply
Use within the permissible power supply
specifications of the inverter.
(Refer to page 294)
Moulded case circuit
breaker (MCCB)
or earth leakage circuit
breaker (ELB), fuse
The breaker must be selected carefully since
an in-rush current flows in the inverter at
power on.
(Refer to page 4)
Magnetic contactor(MC)
Install the magnetic contactor to ensure safety.
Do not use this magnetic contactor to start and
stop the inverter.
Doing so will cause the inverter life to be shorten.
(Refer to page 4)
Reactor (FR-HAL, FR-HEL)
Reactors (option) should be used when power
harmonics measures are taken, the power factor is
to be improved or the inverter is installed near a
large power supply system (1000kVA or more). The
inverter may be damaged if you do not use reactors.
Select the reactor according to the model.
For the 55K or less, remove the jumpers across
terminals P/+-P1 to connect to the DC reactor.
(Refer topage 4.)
AC reactor
(FR-HAL)
EMC filter
(ferrite core)
(FR-BLF)
The 55K or less
has a built-in common
mode choke.
High power factor
converter
(FR-HC
, MT-HC
)
*1
*2
Power supply harmonics
can be greatly suppressed.
Install this as required.
*1 Compatible with the 55K or less.
*2 Compatible with the 75K or more.
CAUTION
· Do not install a power factor correction capacitor, surge suppressor or capacitor type filter on the inverter output side. This will
cause the inverter to trip or the capacitor, and surge suppressor to be damaged. If any of the above devices are connected,
immediately remove them.
· Electromagnetic wave interference
The input/output (main circuit) of the inverter includes high frequency components, which may interfere with the communication
devices (such as AM radios) used near the inverter. In this case, set the EMC filter valid to minimize interference.
(Refer topage 15.)
· Refer to the instruction manual of each option and peripheral devices for details of peripheral devices.
Programmable controller
DC reactor
P/+
(FR-HEL)
For the 75K or more, a DC
reactor is supplied.
Always install the reactor.
(FR-BU2, FR-BU
Power regeneration
common converter
Resistor unit
(FR-CV
)
*1
(FR-BR
*1
Power regeneration
converter (MT-RC
)
The regeneration braking
*2
Greater braking capability
capability of the inverter can be
exhibited fully.
is obtained.
Install this as required.
Install this as required.
Inverter and peripheral devices
Inverter
(FR-F700)
The life of the inverter is influenced by surrounding
air temperature. The surrounding air temperature
should be as low as possible within the permissible
range. Especially when mounting the inverter
RS-485 terminal block
inside
surrounding air temperature. (Refer to page 10)
The inverter can be
Wrong wiring might lead to damage of the inverter.
connected with computers
The control signal lines must be kept fully away
such as programmable
from the main circuit to protect them from
controller.
noise.(Refer to page 14)
It supports Mitsubishi inverter
Refer to page 15 for the built-in EMC filter.
protocol and Modbus-RTU
(binary) protocol.
R/L1 S/L2 T/L3
P1
P/+
N/-
U V W
Earth
(Ground)
Brake unit
, MT-BU5
)
*1
*2
(Ground)
P/+
PR
Devices connected to the output
P/+
Do not install a power factor correction capacitor,
PR
surge suppressor or EMC filter (capacitor) on the
output side of the inverter.
When installing a moulded case circuit breaker on the
output side of the inverter, contact each manufacturer
, MT-BR5
)
*2
for selection of the moulded case circuit breaker.
Earth (Ground)
To prevent an electric shock, always earth
(ground) the motor and inverter.
an
enclosure,
take
cautions
of
the
EMC filter
(ferrite core)
(FR-BSF01, FR-BLF)
Install an EMC filter (ferrite
core) to reduce the
electromagnetic noise
generated from the inverter.
Effective in the range from
about 1MHz to 10MHz.
A wire should be wound four
turns at a maximum.
Motor
Earth
1
3
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