Detailed Description
2.9 Mode group, channel, program operation, reset response (K1)
NC/PLC Interface Signals (Z1)
2-94 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
DB21, ...
DBX7.1
NC START
Edge evaluation: yes Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
AUTOMATIC mode: The selected NC program is started or continued, or the auxiliary functions that
were saved during the program interruption are output.
If data are transferred from the PLC to the NC during program status "Program interrupted," then
these data are immediately cleared at NC start.
Operating mode MDA:
The entered block information or part program blocks are released for execution.
Signal state 0 or
edge change
1 → 0
No effect.
Corresponds to .... DB21, ... DBX7.0 (NC start disable)
DB21, ...
DBX7.2
NC STOP at block limit
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
The current NC program is stopped after the current part program block has been completely
processed. Otherwise, as for DB21, ... DBX7.3 (NC stop).
Signal state 0 or
edge change
1 → 0
No effect.
Corresponds to .... DB21, ... DBX7.3 (NC stop)
DB21, ... DBX7.4 (NC stop, axes plus spindles)
DB21, ... DBX35.2 (program status stopped)
DB21, ... DBX35.6 (channel status interrupted)
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