Siemens SINUMERIK 840Di sl Programming Manual page 250

Frames
6.4 Programmable rotation (ROT, AROT, RPL)
Requirement:
The tool must be positioned perpendicular to the working plane. The positive direction of the
infeed axis points in the direction of the toolholder. Specifying CUT2DF activates the tool
radius compensation in the rotated plane. For more information please refer to Section
"2D Tool Compensation, CUT2D CUT2DF".
250
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals