HEIDENHAIN TNC 620 User Manual page 316

8
Subprograms and program section repeats
8.5 Nesting
Subprogram within a subprogram
Example NC blocks
%UPGMS G71 *
...
N17 L "UP1",0*
...
N35 G00 G40 Z+100 M2*
N36 G98 L "UP1"
...
N39 L2,0*
...
N45 G98 L0*
N46 G98 L2*
...
N62 G98 L0*
N99999999 %UPGMS G71 *
Program execution
1 Main program UPGMS is executed up to block 17 .
2 Subprogram SP1 is called, and executed up to block 39.
3 Subprogram 2 is called, and executed up to block 62. End of
subprogram 2 and return jump to the subprogram from which it
was called.
4 Subprogram 1 is called, and executed from block 40 up to block
45. End of subprogram 1 and return jump to the main program
UPGMS.
5 Main program UPGMS is executed from block 18 up to block 35.
Return jump to block 1 and end of program.
316
Subprogram at label G98 L1 is called
Last program block of the
main program with M2
Beginning of subprogram SP1
Subprogram at label G98 L2 is called
End of subprogram 1
Beginning of subprogram 2
End of subprogram 2
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016