HEIDENHAIN TNC 320 User Manual page 307

Repeating program section repeats
Example NC blocks
0 BEGIN PGM REPS MM
...
15 LBL 1
...
20 LBL 2
...
27 CALL LBL 2 REP 2
...
35 CALL LBL 1 REP 1
...
50 END PGM REPS MM
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.
Return jump to block 1 and end of program.
HEIDENHAIN | TNC 320 | Conversational Programming User's Manual | 9/2016
Beginning of program section repeat 1
Beginning of program section repeat 2
Program section call with two repeats
The program section between this block and LBL 1
(block 15) is repeated once
Nesting 8.5
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