HEIDENHAIN TNC 620 Programming Station

Subprograms and program section repeats | Nesting
Subprogram within a subprogram
Example
0 BEGIN PGM UPGMS MM
...
17 CALL LBL "UP1"
Call the subprogram marked with LBL UP1
...
35 L Z+100 R0 FMAX M2
Last program block of the main program with M2
36 LBL "UP1"
Beginning of subprogram UP1
...
39 CALL LBL 2
Call the subprogram marked with LBL 2
...
45 LBL 0
End of subprogram 1
46 LBL 2
Beginning of subprogram 2
...
62 LBL 0
End of subprogram 2
63 END PGM SUBPGMS MM
Program execution
1 Main program UPGMS is executed up to NCblock17
2 Subprogram UP1 is called, and executed up to NCblock39
3 Subprogram 2 is called, and executed up to NCblock62. End of
subprogram 2 and return jump to the subprogram from which it
was called.
4 Subprogram UP1 is called, and executed from NCblock40 up to
NCblock45. End of subprogram 1 and return jump to the main
program UPGMS.
5 Main program UPGMS is executed from NCblock18 up to
NCblock35. Return jump to NCblock1 and end of program
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HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 01/2022
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