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INVT CHV160A Series - Page 39

INVT CHV160A Series
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C.TY TNHH TỰ ĐỘNG HÓA VIỆT TRUNG 02413.281.181-
0989.984.666
Website:www.viet-trung.com.vn Đ/c:194-Nguyễn Trãi-Võ Cường-
TP.Bắc Ninh
All
the
connections
to
the
control
terminals
must
use
shielded
wire.
And
the
shield
layer
of
the
wire
must
ground
near
the
wire
entrance
of
inverter.
The
ground
mode
is
360
degree
annular
connection
formed
by
cable
clips.
It
is
strictly
prohibitive
to
connect
the
twisted
shielding
layer
to
the
ground
of
inverter,
which
greatly
decreases
or
loses
the
shielding
effect.
Connect
inverter
and
motor
with
the
shielded
wire
or
the
separated
cable
tray.
One
side
of
shield
layer
of
shielded
wire
or
metal
cover
of
separated
cable
tray
should
connect
to
ground,
and
the
other
side
should
connect
to
the
motor
cover.
Installing
an
EMC
filter
can
reduce
the
electromagnetic
noise
greatly.
4.6.3.2
Site
wiring
Power
supply
wiring:
the
power
should
be
separated
supplied
from
electrical
transformer.
Normally
it
is
5
core
wires,
three
of
which
are
fire
wires,
one
of
which
is
the
neutral
wire,
and
one
of
which
is
the
ground
wire.
It
is
strictly
prohibitive
to
use
the
same
line
to
be
both
the
neutral
wire
and
the
ground
wire
23
DIEN DAN BIEN TAN HTTP://BIENTAN.HNSV.COM
CHV160A
series
special
inverter
for
water
supply
Device
categorization:
there
are
different
electric
devices
contained
in
one
control
cabinet,
such
as
inverter,
filter,
PLC
and
instrument
etc,
which
have
different
ability
of
emitting
and
withstanding
electromagnetic
noise.
Therefore,
it
needs
to
categorize
these
devices
into
strong
noise
device
and
noise
sensitive
device.
The
same
kinds
of
device
should
be
placed
in
the
same
area,
and
the
distance
between
devices
of
different
category
should
be
more
than
20cm.
Wire
Arrangement
inside
the
control
cabinet:
there
are
signal
wire
(light
current)
and
power
cable
(strong
current)
in
one
cabinet.
For
the
inverter,
the
power
cables
are
categorized
into
input
cable
and
output
cable.
Signal
wires
can
be
easily
disturbed
by

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