Siemens SINUMERIK 840D sl Programming Manual page 215

Example
Main program:
Program code
...
DEF STRING[20] STARTLABEL, ENDLABEL
STARTLABEL="LABEL_1"
ENDLABEL="LABEL_2"
...
CALL "CONTUR_1" BLOCK STARTLABEL TO ENDLABEL
...
Subprogram:
Program code
PROC CONTUR_1 ...
LABEL_1
N1000 G1 ...
...
LABEL_2
...
Job Planning
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
Comments
; Start label: Start of program part execution.
; End label: End of program part execution.
Flexible NC programming
1.25 Subprogram technique
Comment
; Variable definition for the
start and end labels.
; Indirect subprogram call and
identifier associated with
the calling program part.
215