Siemens SINUMERIK 840D sl Commissioning Manual page 242

Collision avoidance
14.3 Set collision avoidance
No. Identifier
MD18899 $MN_PROT_AREA_TOOL_MASK
MD51160 $MNS_ACCESS_WRITE_CA_MACH_JOG
MD51161 $MNS_ACCESS_WRITE_CA_MACH_AUTO
MD51162 $MNS_ACCESS_WRITE_CA_TOOL
Note
If a specific safety clearance has been set for a collision pair via the system variable
$NP_SAFETY_DIST, this has priority over the NC-specific safety clearance set in the
MD10622 $MN_COLLISION_SAFETY_DIST machine data.
NC/PLC interface signals
Signal
DB10.DBX58.0 - 7
DB10.DBX234.0 - DBX241.7
Note
The $NP_BIT_NO protection area can be assigned to an arbitrary bit number of the
DB10.DBX234.0 - DBX241.7 interface signals.
The following setting is precondition: $NP_INIT_STAT == "P" (preactivated or PLC-
controlled)
References
Detailed machine data:
List Manual (book 1), Section "Detailed description of the machine and setting data"
236
Meaning
Collision avoidance: Deactivate protection area group
Collision avoidance: Activate protection area
Meaning
Creation mode for automatic tool protection areas
Write protection level, collision monitoring
machine jog
Write protection level, collision monitoring
machine automatic
Write protection level collision monitoring tool
Commissioning Manual, 03/2013, 6FC5397-1DP40-3BA1
SINUMERIK Operate (IM9)