YASKAWA yasnac i80m

3.6
VARIOUS
OPERATIONS
AND
FUNCTIONS
(Cont'd)
(4)
How
to
set
imaginary
phase-C
shiting
values
(
i
)
When
the
machine
zero-point
and
dc.eleration
.limit
switch
are
at
arbi¬
trary
positions.
(D
Set
the
parameter.
As
temporary
setting,
set
the
reference
point
return
traveling
distance
(pm4451
to
4455)
to
0
and
the
imaginary
phase-C
shift
distance
(pm4551
to
4555)
to
1000.
(%)
Execute
reference
point
return.
®
When
the
tool
stops
before
the machine
zero-point,
the
distance
from
the
stopped
position"
to
the machine
zero-point
is
added
to
the
imagi¬
nary
phase-C
shift
distance.
.
When
it
stops
after
the
machine
zero-point,
the distance
from
the
stopped position
to
the machine
zero-point
is
subtracted
from
the
imaginary
phase-C
shift
distance.
•
0
Inching
adjustment
to
the actual
machine
zero-point
is
possible
at
the
imaginary
phase-C
shit distance
or
reference
point
return
traveling
distance.
(
ii
)
When the
machine
zero-point
and
deceleration
limit
switch
are
at
a
distance
of
1/2
of
the
ball
screw
pitch
"
Perform
adjustment
assuming
that
the
machine
zero-point
described
above
(c)
is
at
a
distance
of
1/2
of
the
ball
screw
pitch.
Inching
adjustment
to
the
actual
machine
zero-point
is
possible
at
the
refer¬
ence
point
return
traveling
distance.
-
600
-