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YASKAWA yasnac i80m

YASKAWA yasnac i80m
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3.6
VARIOUS
OPERATIONS
AND
FUNCTIONS
(Cont’d)
3.6.1
.3
2nd
manual
reference
point
return
#
This
is
a
function
in
the
MANUAL
mode
to
automatically
position
the
machine
in
its
2nd
reference
point.
.
Positioning
is
possible
regardless
of
which
side
of
the
2nd
reference
point
the
current
position
is
located.
(1)
Description
of
the
function
(a)
If
ZRN2
(2nd
reference
point
return
request)
and
+
X
(or
+
Y,
+
Z)
are
set
to
ON
in
the
JOG
or
RAPID
mode,
the
X-axis
(or
Y-
or
Z-axis)
will
be
positioned
at
the
2nd
reference
point.
The
moving
speed
of
positioning
will
be
of
JOG
or
RAPID
speed.
(b)
If
ZRN2
is
set
to
OFF
(
=
0)
when
moving,
to
the
2nd
reference
point,
movement
will
stop.
To
restart
2nd
reference
point
return,
set
ZRN2'to
ON
and
depress
the
+
or
-
direction
input
of
manual
feed.
(c)
1
Although
movement'
will
also
stop
if
+
X
(or
+
Y,
+
Z)
is
set
to
OFF
when
moving
to
the
2nd
reference
point,
movement
will
also
start
if
+
X
(or
+
Y,
+
Z)
is
set
to
ON
(
=
1)
again.
—
NOTE.
—
1.
Input
of
2nd
reference
point
return
mode
will
be
invalid
if
still
in
1st
'
reference
point
unretumed
state.
2.
In
the
2nd
reference
point
return
mode,
input
of
-
X
(or
—
Y,
-
Z)
will
also
be
invalid.
The
mode
switching
is
regarded
as
ZRN2
input
OFF.
3.
The
1st
reference
point
return
mode
and
2nd
reference
point
return
mode
cannot
be
used
simultaneously.
When
both
inputs
are
ON
at
the
same
time,
both
modes
will
become
invalid
and,
from
a
safety
standpoint,
JOG
feed
and
rapid
feed
will
not
operate.
4.
The
-
X
(or
=
Y,
—
Z)
input
is
the
same
as
the
+
X
(or
+
Y,
+
Z)
input
and
is
valid
as
the
2nd
reference
point
return
input.
5.
In
states
such
as
machine
lock
(including
machine
lock
by
axis)
and
Z
-
axis
command
cancel,
it
becomes
normal
JOG
feed
operation
6.
instead
of
2nd
reference
point
return.
Movement
by
manual
operation
is
not
possible
in
relation
to
an
axis
on
which
manual
2nd
reference
point
return
was
completed
unless
the
“2nd
7.
Reference
Point
Return”
switch
is
set
to
OFF.
Reverse
setup
is
used
on
the
axis
on
which
manual
2nd
reference
point
return
is
complete.
8.
If
the
+
and
—
direction
manual
feed
inputs
are
set
to
ON
at
the
same
time,
it
will
be
considered
as
OFF
and
the
machine
will
stop.
-
602
-

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