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3 program section repeats, Label g98, Operating sequence – HEIDENHAIN iTNC 530 (340 422) ISO programming User Manual

Page 404: Programming notes, Programming a program section repeat, Calling a program section repeat

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404

9 Programming: Subprograms and Program Section Repeats

9

.3 Pr

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Sectio

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eats

9.3 Program Section Repeats

Label G98

The beginning of a program section repeat is marked by the label
G98 L

. A program section repeat ends with Ln,m, where m is the

number of repeats.

Operating sequence

1

The TNC executes the part program up to the end of the program
section (L1.2).

2

Then the program section between the called label and the label
call L 1.2 is repeated the number of times entered after the
decimal point.

3

The TNC then resumes the part program after the last repetition.

Programming notes

n

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

n

The TNC always executes the program section once more than the
programmed number of repeats.

Programming a program section repeat

U

U

U

U

To mark the beginning, press the LBL SET key, then

confirm with the ENT key.

U

U

U

U

Enter a label number for the program section to be

repeated, then confirm with the ENT key.

Calling a program section repeat

U

U

U

U

Press the LBL CALL key.

U

U

U

U

Label number:

Enter the label number of the

subprogram to be called, then confirm with the ENT
key.

U

U

U

U

Repeat REP:

Enter the number of repeats, then

confirm with the ENT key.

% ...

G98 L1 *

L1,2 *

N99999 % ...