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oe
2.7
2.
2.
8
9
400V
class.
(Since
the capacitor
charged
voltage
is still
present,
it is dangerous.)
°
Static
electricity
may
cause
breakdown
to MCU
and
IC
on
PC
board.
Handle
these
parts
after
grounding
the
work
bench,
soldering
iron
and
person
surely.
Insulation
resistance
test
and withstand
voltage
test
Special
care
should
be execised
for
the
insulation
resistance
and
withstand
voltage
tests.
When
conducting
these
tests
actually,
be
sure
to refer
to "Insulation
Resistance
and Withstand
Tests"
given
under
section
11.4
(g).
Storage
of
setting
data
The
soft
memory
element
is
used
to
store
data
input
from
the
digital
operation
panel
when
the
inverter
power
supply
is
cut
off.
Turn
power
OFF
once
to
store
the
data
in memory
when
the
setting
data
have
been
changed.
It
should
be noted
that
the
changed
data
are
not
stored
in memory
if reset
is
performed
before
power
OFF.
Refer
to
page
74 how
to
return
the
setting
data
back
to
that
before
shipment
and
see
page
94 regarding
life
of
soft
memory
element.
Record
of
setting
data
It
is recommended
to
fill
the
setting
data
out
the
data
sheet
shown
in appendix
for
service
and
maintenance.
Standard
V/F
setting:
50 Hz max.
constant
torque
See
page
62,
75 when
output
frequency
is
set
to
50 Hz max.
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