YASKAWA yasnac MX2

4.2.2
TURNING
OFF
POWER
4.2
POWER
ON/OFF
OPERATION
Depressing
the
POWER OFF
pushbutton
causes
both
the
servo
and
control
powers
to
be
turned
off
simultaneously.
However,
for
more
stable
operation,
use
the
following
procedure.
4.2.1
TURNINC
ON
POWER
Check
the
machine
before
turning
on
power,
re¬
fer
to
the
machine tool
builder's
manual
for
details.
Operations
after
completion
of
preinspections
are
as
follows.
Release
Emergency
Stop
Button
by
turning
clockwise.
•
First
depress
the
EMERGENCY
STOP
push-
The
NRD
button
to
cut
off
the
servo
power.
(NC
READY)
signal
is
interrupted,
which
usually
results
in
turning
the
machine
power,
too.
.
Depress
the
POWER
ON
pushbutton
to
turn
on
the control
power
and
CRT
power.
The
internal
timer
will
be
read
in
about
two
seconds.
Then
the
servo
power
is
ready
for
turning
on,
which
is
shown
by
alarm
code
"310."
•
Depress
the
POWER OFF
pushbutton
to cut
off
the
control
power.
EMERGENCY
STOP
Depress
the
POWER
ON
pushbutton
again
to
turn
on
the
servo
power.
The
NRD
(NC
READ-
Y)
signal
is
sent
out
when
the
NC
power
is
normally
supplied.
POWER
OFF
CRT
POWER
•
When
the
NRD
signal
turns
on
the machine
power,
and
the
MRD
(MACHINE READY)
sig¬
nal
returns
back
to
the
control,
the
READY
lamp
will
be
lit.
CONTROL
POWER
CONTROL
READY
SERVO
POWER
POWER
ON
POWER
ON
NRD
(NC READY)
I
MACHINE
POWER
CRT
POWER
l
!
APPROX
1
\
2
SECONDS
MRD
(MACHINE
READY)
i
CONTROL
POWER
I
1
I
READY
LAMP
NRD
(NC
READY)
I
i
I
i
SERVO POWER
”330"
BLANK
ALARM
CODE
;
NRD
(NC
READY)
Fig.
4.12
Sequence
of
Turning
off
Operation
MACHINE
POWER
MRD
(MACHINE
READY)
READY
LAMP
ALARM
CODE
i
"310"
;'280'|
BLANK
Fig.
4.11
Sequence
of
Turning
on
Operation
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8
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