HEIDENHAIN iTNC 530 (60642x-04) ISO programming - Manual (Page 275)

HEIDENHAIN iTNC 530 275
8.5
Nesting
Repeating a subprogram
Example NC blocks
Program execution
1 Main program SUBPGREP 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 SUBPGREP 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 N10) 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 *