Subprograms and Program Section Repeats | Program-section repeats
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HEIDENHAIN | TNC 320 | ISO Programming User's Manual | 10/2017
321
8.3 Program-section repeats
Label G98
The beginning of a program section repeat is marked by the label
G98 L. The end of a program section repeat is identified by
Ln,m.
Operating sequence
1 The control executes the part program up to the end of the
program section (Ln,m)
2 Then the program section between the called LABEL and the
label call Ln,m is repeated the number of times entered after m
3 The control then continues with the part program
Programming notes
You can repeat a program section up to 65 534 times in
succession
The total number of times the program section is executed is
always one more than the programmed number of repeats,
because the first repeat starts after the first machining process.
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