Siemens Sinumerik 840D sl Programming Manual page 468

Tables
17.4 G commands
Table 17-43
G group 44: SAR path segmentation
G command No.
1)
G340 1
G341 2
Table 17-44
G group 45: Path reference for FGROUP axes
G command No.
1)
SPATH 1
UPATH 2
Table 17-45
G group 46: Plane selection for fast retraction
G command No.
1)
LFTXT 1
LFWP 2
LFPOS 3
Table 17-46
G group 47: Mode switchover for external NC code
G command No.
1)
G290 1
G291 2
468
Meaning
Spatial approach block; in other words, infeed depth
and approach in plane in one block
Start with infeed on perpendicular axis (Z), then ap‐
proach in plane
Meaning
Path reference for FGROUP axes is arc length
Path reference for FGROUP axes is curve parameter
Meaning
The plane is determined from the path tangent and the
current tool orientation
The plane is determined by the current working plane
(G17/G18/G19)
Axial retraction to a position
Meaning
Activate SINUMERIK language mode
Activate ISO language mode
MD20150 W
2)
+ m
+ m
MD20150 W
2)
+ m
+ m
MD20150 W
2)
+ m
+ m
+ m
MD20150 W
2)
+ m
+ m
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
STD
3) 4)
SAG MM
x
STD
3) 4)
SAG MM
x
STD
3) 4)
SAG MM
x
STD
3) 4)
SAG MM
x
Fundamentals