Siemens SINUMERIK 840D sl Programming Manual page 246

Motion commands
9.9 Contour definitions
Significance
ANG=... :
RND=... :
CHR=... :
X... :
Z... :
Note
For further information on the programming of a chamfer or rounding, see "Chamfer,
rounding (CHF, CHR, RND, RNDM, FRC, FRCM)".
246
Identifier for angle programming
The specified value (angle) refers to the abscissa of the active working
plane (Z axis with G18).
Identifier for programming a rounding
The specified value corresponds to the radius of the rounding:
Figure 9-5
Identifier for programming a chamfer
The specified value corresponds to the width of the chamfer in the
direction of motion:
Figure 9-6
Coordinates in the X direction
Coordinates in the Z direction
Programming Manual, 09/2011, 6FC5398-1BP40-2BA0
Fundamentals