HEIDENHAIN TNC 620 User Manual page 317

Repeating program section repeats
Example NC blocks
%REPS G71 *
...
N15 G98 L1*
...
N20 G98 L2*
...
N27 L2,2*
...
N35 L1,1*
...
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.
Return jump to block 1 and end of program.
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
Beginning of program section repeat 1
Beginning of program section repeat 2
Program section call with two repeats
Program section between this block and G98 L1
(block N15) is repeated once
Nesting 8.5
317
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