Automatic Reference Point Return - YASKAWA yasnac i80m Instruction Manual

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
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67
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