HEIDENHAIN TNC 320 - 15.8 Optional program-run interruption; Application

Test Run and Program Run | Optional program-run interruption
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HEIDENHAIN | TNC 320 | ISO Programming User's Manual | 10/2017
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15.8 Optional program-run interruption
Application
Refer to your machine manual.
The behavior of this function varies depending on the
respective machine.
The control optionally interrupts program run at blocks in which
an M1 has been programmed. If you use M1 in the Program run
operating mode, then the control does not switch off the spindle or
the coolant.
Do not interrupt Program run or Test Run with
blocks containing M1: Set the soft key to OFF
Interrupt Program run or Test Run with blocks
containing M1: Set the soft key to ON