YASKAWA yasnac i80m

3.6
VARIOUS OPERATIONS
AND
FUNCTIONS
(Cont’d)
The
bias
can
also
be
set
by
the
following
procedure
on
the
tool
length
measurement
screen
:
(D
Depress
the
| B1AS|
function
key.
“BIAS
(B)”
is
highlighted
in
reverse
display.
®
Enter
the
bias
value,
then
depress
the
|WRITE|
key.
The
bias
value
is
written.
WRITE
RETRAC
c\
[8]
Depress
the
push-button
swjtch.
The
system
performs
as
*
follows
:
(P
The.distance
from
the home
position
to
the
reference
level,
that
is,
the measured
length
of
travel
(ML)
is
stored
at
the
specified
offset
number.
(ML)
=
Z-B.
®
At
the
same
time,
the
Z-axis
automatically
returns
to
the
home
position
in
rapid
traverse.
(3)
After
the above
operations,
a
new
offset
number
that
is
greater
than the
specified
one
by
1
is
prepared
for
the
next
write
of
a
tool
offset
value.
(After
H99,
HOI
is
used.)
[9]
Replace
the tool
by
manual
or
MDI
operation.
The
MEASURE¬
MENT
lamp
remains
on
even
after
change
to
the
MDI
mode.
Return
to
the manual mode
after
tool
replacement.
[10]'
Repeat
steps
[7]
to
[9]
to
save
all
offset
values
for
necessary
tools.
[11]
Depress
the
iRETURNl
key.
The
offset
screen
appears.
AUS119
This
step
can
be
omitted.
MEASURE-
QMENT
[12]
Depress
the
push-button
switch.
.:
:
The
MEASUREMENT
lamp
goes
off
and the
auto
write
function
is
canceled.
If
the
tool
length
measurement
screen
has
been
on,
it
.
changes
to
the
offset
screen.
-
612
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