YASKAWA yasnac i80m - Page 70

2.4
INTERPOLATION
(Cont’d)
(3)
The end
point
of
the
circular
arc
may
be
specified
by
G90
or
G91
respectively
in
absolute
or
incremental
values.
However,
the
center
of
the circle
is
always
programmed
in
incremental
values
from
the
start
point,
irrespective
of
G90
or
G91.
C
Example
of
Programming
J
i',
17
u
an
<;
«:t
\
ir..
v
-in
i-:m
j
-in.
F
r.u
.
Y
ENLi
I
*01
NT
4iV
>IAKT
POINT
ij
US
20.
T
-
ifi
CENTERÿ,-'
t
-30.
X
55.
Absolute
command
with
G
90
1
«:
17
c;
HI
i;
x-4«.
v
j
-in
K
I
So
:
-
40.
40.
\
20.
KND
POINT
\
CENTERÿ,
-ÿ'*7
I
_
10
\
(1
U3
:
20.
£
-
30.
<>
X
55.
In.
(b»
Incremental
command
with
G
91
Fig.
2.4.5
End
Point
of
Circular
Arc
-
46
-