HEIDENHAIN TNC 310 (286 140) - Manual (Page 163)

151 HEIDENHAIN TNC 310
9.4 Nesting
9.4 Nesting
You can nest subprograms and program section repeats in the
following ways:
■ Subprograms within a subprogram
■ Program section repeats within a program section repeat
■ Subprograms repeated
■ Program section repeats within a subprogram
Nesting depth
The nesting depth is the number of successive levels in which
program sections or subprograms can call further program sections
or subprograms.
■ Maximum nesting depth for subprograms: 8
■ You can nest program section repeats as often as desired
Subprogram within a subprogram
Example NC blocks
0 BEGIN PGM 15 MM
...
17 CALL LBL 1
...
35 L Z+100 R0 FMAX M2
36 LBL 1
...
39 39 CALL LBL 2
...
45 LBL 0
46 LBL 2
...
62 LBL 0
63 END PGM 15 MM
Call the subprogram marked with LBL1
Last program block of the
main program (with M2)
Beginning of subprogram 1
Call the subprogram marked with LBL2
End of subprogram 1
Beginning of subprogram 2
End of subprogram 2