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2 subprograms, Procedure, Programming notes – HEIDENHAIN iTNC 530 (60642x-04) ISO programming User Manual

Page 267: Programming a subprogram, 2 subpr ogr ams 8.2 subprograms

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HEIDENHAIN iTNC 530

267

8.2

Subpr

ogr

ams

8.2 Subprograms

Procedure

1 The TNC executes the part program up to the block in which a

subprogram is called with Ln,0

2 The subprogram is then executed from beginning to end. The

subprogram end is marked G98 L0

3 The TNC then resumes the part program from the block after the

subprogram call Ln,0

Programming notes

A main program can contain up to 254 subprograms

You can call subprograms in any sequence and as often as desired

A subprogram cannot call itself

Write subprograms at the end of the main program (behind the block
with M2 or M30)

If subprograms are located before the block with M2 or M30, they
will be executed at least once even if they are not called

Programming a subprogram

To mark the beginning, press the LBL SET key

Enter the subprogram number. If you want to use a

label name, press the LBL NAME soft key to switch
to text entry

To mark the end, press the LBL SET key and enter the

label number "0"

% ...

L1,0

G00 Z+100 M2

G98 L1 *

G98 L0 *

N99999 % ...

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