Siemens Sinumerik 840D sl Programming Manual page 50

Motion commands
3.2 Defining the input modes of the coordinate values
_N_0513_MPF
N01 G291
N10 G90 X10. Y10.
N20 X50
N30 Y50
N40 X10. Y10.
N50 M99
Figure 3-9
Tool offset
This scaling is not valid for cutter radius compensations, tool length compensations and tool
offset values.
Commands for reference point approach and for changing the coordinate system
The G27, G28 and G30 functions as well as commands related to the coordinate system
(G52 to G59, G92), should not be used when scaling is active.
50
Scaling for each axis and programmable mirroring
;(Subroutine of 00512)
Programming Manual, 06/09, 6FC5398-7BP10-1BA0
ISO Milling