HEIDENHAIN iTNC 530 (340 422) - Manual (Page 493)

HEIDENHAIN iTNC 530 493
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.4 Separ
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10.4 Separate Program as
Subprogram
Operating sequence
1 The TNC executes the part program up to the block in which
another program is called with CALL PGM.
2 Then the other program is run from beginning to end.
3 The TNC then resumes the first (calling) part program with the
block behind the program call.
Programming notes
„ No labels are needed to call any program as a subprogram.
„ The called program must not contain the miscellaneous functions
M2 or M30.
„ The called program must not contain a CALL PGM call into the calling
program, otherwise an infinite loop will result.
0 BEGIN PGM A
CALL PGM B
END PGM A
0 BEGIN PGM B
END PGM B