Siemens SINUMERIK 840D sl Function Manual page 2087

DB21, ...
DBX7.2
NC STOP at block limit
Edge evaluation: no
Signal state 1 or The current NC program is stopped after the current part program block has been completely
edge change processed. Otherwise, as for DB21, ... DBX7.3 (NC stop).
0 → 1
Signal state 0 or No effect.
edge change
1 → 0
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)
DB21, ...
DBX7.3 NC STOP
Edge evaluation: no
Signal state 1 or AUTOMATIC or MDA mode:
edge change Processing of the part program active in the channel is stopped.
0 → 1 The axes (not spindles) are brought to a standstill within the assigned acceleration parameters.
•
•
JOG mode:
In JOG mode, incompletely traversed incremental paths (INC...) are retracted at the next NC
START.
Note
The signal must be present for at least one PLC cycle (OB1).
Signal state 0 or No effect.
edge change
1 → 0
Signal irrelevant for •
...
•
Special cases, •
errors, ......
Corresponds to .... DB21, ... DBX7.2 (NC STOP at block limit)
DB21, ... DBX7.4 (NC STOP axes plus spindles)
DB21, ... DBX35.2 (program status stopped)
DB21, ... DBX35.6 (channel status interrupted)
Basic logic functions: NC/PLC interface signals (Z1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
2.9 Mode group, channel, program operation, reset response (K1)
Signal(s) updated: cyclic
Signal(s) updated: cyclic
Program status: stopped
Channel status: interrupted
Program status: aborted
Channel status: Reset
If data are transferred to the NCK after NC STOP (e.g., tool offset), the data are cleared at the
next NC START.
Detailed Description
91