Programming principles
1.11 Subroutine technique
Turning Part 2: Programming (Siemens instructions)
Programming and Operating Manual, 05/2012, 6FC5398-5DP10-0BA0
95
End of program
The end instruction RET can also be used instead of the M2 program end in the subroutine.
RET must be programmed in a separate block.
The RET instruction is used when G64 continuous-path mode is not to be interrupted by a
return. With M2, G64 is interrupted and exact stop is initiated.
0
1;=
15
/
0
1
&DOO
5HWXUQ
5HWXUQ
1/&DOO
&DOO
6XESURJUDP
0$,1
6HTXHQFH
0DLQSURJUDP
1/&DOO
Figure 1-51 Example of a sequence when a subroutine is called in a two-channel manner.
Subroutine name
The subprogram is given a unique name allowing it to be selected from several subroutines.
When you create the program, the program name may be freely selected provided the
following conventions are observed:
The same rules apply as for the names of main programs.
Example: BUCHSE7
It is also possible to use the address word L... in subroutines. The value can have 7 decimal
places (integers only).
Please observe: With address L, leading zeros are meaningful for differentiation.
Example: L128 ist nicht L0128 oder L00128 !
Dies sind 3 verschiedene Unterprogramme.
Note: The subroutine name LL6 is reserved for tool change.
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