HEIDENHAIN TNC 640 User Manual page 545

Special Functions | Adaptive Feed Control AFC (option 45)
Proceed as follows to select and, if required, edit the
<name>.H.AFC.DEP file:
Select the Program run, full sequence
operating mode
Shift the soft-key row
Press the AFC SETTINGS soft key
Make optimizations if required
Note that the <name>.H.AFC.DEP file is locked against
editing as long as the NC program <name>.H is running.
The control only removes the editing lock if one of the
following functions has been executed:
M02
M30
END PGM
You can also change the <name>.H.AFC.DEP file in Programming
mode. If necessary, you can even delete a machining step (entire
line) there.
The dependentFiles machine parameter (no. 122101)
must be set to MANUAL so that you can view the
dependent files in the file manager.
In order to edit the <name>.H.AFC.DEP file, you must
first set the file manager so that all file types can be
displayed (SELECT TYPE soft key).
Further information:
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
"Files", page 175
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