Omron CS1W-MC221 - 02-2008 Operation Manual page 420

G-language Commands
The following program shows circular interpolation with radius specification
(R>0). An arc smaller than a semicircle will be drawn when R>0.
:
N010 G91
N011 G17
N012 G02
:
Starting point
(present value)
The following program shows circular interpolation of a complete circle.
: :
N010 G90
N011 G17
N012 G02 X100 Y10
: :
:
Incremental specification
Makes X-Y the circular plane.
X40 Y40 R40
:
Absolute specification
Makes X-Y the circular plane.
I0 J40
Center
Starting point and end point
Section 7-3
F300
End point
(target value)
Center
F500
393