Siemens SINUMERIK 840Di sl Function Manual page 107

Cancellation of selective disabling
A previously disabled syncronized action is cleared again by the PLC by setting the ID-, IDS-
number of the corresponding bit to 0 in the interface:
DB21, ... DBX300.0 (disable synchronized action No. 1)
to
DB21, ... DBX307.7 (disable synchronized action No. 64)
Updating the selective disabling
If the PLC-application program has made changes in the range from DB21-30,DBB 300. Bit
0 to DB21-30 BB307 Bit 7, it must activate them with:
DB21, ... DBX280.1
Selective disabling status signal
If selective disablings are activated by the NCK, it is signalled in the interface:
DB21, ... DBX.281.1 (disable synchronized action)
References:
/LIS2/ Lists (Volume 2); Interface solution line or power line.
Figure 2-11
Synchronized actions
Function Manual, 11/2006, 6FC5397-5BP10-2BA0
Axis programs/technology cycles
2.6 Control and protection of synchronized actions
Detailed description
107