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Repeating a subprogram, 5 nesting – HEIDENHAIN TNC 620 (340 56x-01) User Manual

Page 377

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HEIDENHAIN TNC 620

377

9.5 Nesting

Repeating a subprogram

Example NC blocks

Program execution

1

Main program SPGREP is executed up to block 11

2

Subprogram 2 is called and executed.

3

Program section between block 10 and block 12 is repeated twice.
Subprogram 2 is repeated twice.

4

Main program SPGREP is executed from block 13 to block 19. End
of program.

0 BEGIN PGM SUBPGREP MM

...

10 LBL 1

Beginning of program section repeat 1

11 CALL LBL 2

Subprogram call

12 CALL LBL 1 REP 2

The program section between LBL 1 and this block

...

(block 10) is repeated twice

19 L Z+100 R0 FMAX M2

Last block of the main program with M2

20 LBL 2

Beginning of subprogram

...

28 LBL 0

End of subprogram

29 END PGM SUBPRGREP MM