HEIDENHAIN TNC 640 User Manual page 776

19
Manual program interruption
While a machining program is being executed in the Program
run, full sequence operating mode, select the Program run,
single block operating mode. The control interrupts the machining
process at the end of the current machining step.
Abort program run.
Press NC Stop key
The control does not exit the current NC block
The control shows the symbol for stopped status
in the status display
Actions such as a change of operating mode are
not possible
The program can be resumed with theNC Start
key
Press the INTERNAL STOP soft key
The control briefly shows the symbol for aborting
the program in the status display
The control shows the symbol for the exited
inactive status in the status display
Actions such as a change of operating mode are
available again
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Test Run and Program Run | Program run
HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017