YASKAWA yasnac i80m

2.12
TOOL
OFFSET
(Cont’d)
NOTE
(Precautions
on
tool
radius
compensation-C)
1.
Limits
on
the
maximum command
values
of
coordinate
words
(Tables
2.1.12,
2.1.13
and
2.1.14)
are
applied
even
in
tool
radius
compensation-C.
2.
Command
shapes
causing
alarm
The
following
command
shapes
result
in
alarm
“1S4.”
(a)
When
an
arc
(radius
of
command
circle
r+5
tool
radius
dj
is
commanded
for
inside
offset
of
arc
command.
&
TOOL
/
rÿd
I
d
I
<1
I
r
sd
<l>)
INSIDE
OFFSET
ALAKM
(a)
OUTSIDE OFFSET
ALARM
rx
d
i
\
Evenifr<d.
•inside-
<>fl»ei
is
correct
I
y
performed.
i
f
r<t1
r
I
f
i
Fig.
2.12.64
Command
T>
Occurred
Alarm
(b)
When
no
intersection
resides
on
the
offset
tool
center
locus.
NO-INTERSECl
ION
ERROR
.This
occurs
when
i
« »
»1
radius
d
is
excessively
large
compared
to
the
command
shape.
S
/
s\
\
"N
j
1
NO
INTER5EC1
ION
%
j
4
TOOL
i
Fig.
2.12.65
Command
>1*
Occurred
Alarm
156
-