HEIDENHAIN iTNC 530 (340 420) - Manual (Page 461)

HEIDENHAIN iTNC 530 433
1
1
.4 Pr
ogr
am Run
Interrupting machining
There are several ways to interrupt a program run:
n Programmed interruptions
n
Pressing the machine STOP button
n
Switching to Program Run, Single Block
If the TNC registers an error during program run, it automatically
interrupts the machining process.
Programmed interruptions
You can program interruptions directly in the part program. The TNC
interrupts the program run at a block containing one of the following
entries:
n STOP (with and without a miscellaneous function)
n Miscellaneous function M0, M2 or M30
n Miscellaneous function M6 (determined by the machine tool builder)
Interrupting the machining process with the machine STOP
button
U U U U Press the machine STOP button: The block which the TNC is
currently executing is not completed. The asterisk in the status
display blinks.
U U U U If you do not wish to continue the machining process, you can reset
the TNC with the INTERNAL STOP soft key. The asterisk in the
status display goes out. In this case, the program must be restarted
from the program beginning.
Interrupting the machining process by switching to the Program
Run, Single Block mode of operation
You can interrupt a program that is being run in the Program Run, Full
Sequence mode of operation by switching to the Program Run, Single
Block mode. The TNC interrupts the machining process at the end of
the current block.