HEIDENHAIN TNC 640 (34059x-02) ISO programming - Manual (Page 243)

Nesting 8.5
8
TNC 640 | User's Manual for DIN/ISO Programming | 5/2013
243
Repeating program section repeats
Example NC blocks
%REPS G71 *
...
N15 G98 L1 *
Beginning of program section repeat 1
...
N20 G98 L2 *
Beginning of program section repeat 2
...
N27 L2,2 *
Program section between this block and G98 L2
... (block N20) is repeated twice
N35 L1,1 * Program section between this block and G98 L1
... (block N15) is repeated once
N99999999 %REPS G71 *
Program execution
1 Main program REPS is executed up to block 27.
2 Program section between block 27 and block 20 is repeated
twice.
3 Main program REPS is executed from block 28 to block 35.
4 Program section between block 35 and block 15 is repeated
once (including the program section repeat between 20 and
block 27).
5 Main program REPS is executed from block 36 to block 50 (end
of program).