Programmed stop 1 - optional stop: M1
M1 can be set via:
● HMI / dialog box "Program Control"
or
● NC/PLC interface
The program execution of the NC is stopped by the programmed blocks.
Programmed stop 2 - an auxiliary function associated with M1 with stop in the program
execution
Programmed stop 2 can be set via the HMI / dialog box "Program Control" and allows the
technological sequences to be interrupted at any time at the end of the part to be machined. In
this way, the operator can interrupt the production, e.g. to remove chip flows.
End of program: M2, M17, M30
A program is ended with M2, M17 or M30. If the main program is called from another program
(as subprogram), M2/M30 has the same effect as M17 and vice versa, i.e. M17 has the same
effect in the main program as M2/M30.
Spindle functions: M3, M4, M5, M19, M70
The extended address notation with specification of the spindle number applies for all spindles.
Example:
Program code Comment
M2=3 ; Clockwise spindle rotation for the second spindle
If an address extension has not been programmed, the function applies for the master spindle.
Fundamentals
2.13 Auxiliary function outputs
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 347
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