Program-Section Repeats; Label G98; Operating Sequence; Programming Notes - HEIDENHAIN TNC 640 User Manual

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Subprograms and Program Section Repeats | Program-section repeats

Program-section repeats

The beginning of a program section repeat is marked by the label

G98 L. The end of a program section repeat is identified by

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

You can repeat a program section up to 65 534 times in

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.

HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017