YASKAWA yasnac i80m

2.6
REFERENCE
POINT
RETURN
The
reference
point
means
a
fixed
position
on
the
machine.
2.6.1
Automatic
Reference
Point
Return
(G28)
G28
X
......
Y
......
Z
......
(;:r
a
):
(1)
This
command
allows
the
machine
to
be
restored
to
the
reference
point.
The
machine
is
automatically
restored
to
the
reference
point
after
being
positioned
at
the
specified
position
by
rapid
feed.
I
(2)
This
operation
can
be
performed
simultaneously
up
to
three
axes
(ÿ!>
up
to
five
axes)
in
one
system.
However,
any
axis
for
which
coordinate
command
is omitted
does
not
move.
Example
of
Programming
J
it;
'.in
G
w
i
i
x
,\
.....
y
.....
Z-AXIS
REFERENCE
POINT
1
__
Z-AXIS
DECELERATION
LS
POSITIONING
REFERENCE
POINT
RF.STORE
OPERATION
INTERMEDIATE
POSITIONING
POINT
V
X
z
START
POINT
Y-AXIS
DECELERATION
LS
Y
Y-AXIS
Fig.
2.6.1
-
67
-