2Nd Manual Reference Point Return - YASKAWA yasnac i80m Instruction Manual

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
-