HEIDENHAIN iTNC 530 245
8.5 Nesting
Repeating a subprogram
Example NC blocks
Program execution
1 Main program UPGREP 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.
%SUBPGREP G71 *
...
N10 G98 L1 *
Beginning of program section repeat 1
N11 L2,0 *
Subprogram call
N12 L1,2 *
Program section between this block and G98 L1
...
(block N100) is repeated twice
N19 G00 G40 Z+100 M2 *
Last block of the main program with M2
N20 G98 L2 *
Beginning of subprogram
...
N28 G98 L0 *
End of subprogram
N99999999 %SUBPGREP G71 *
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