Detailed Description
2.4 Protection zones
Axis Monitoring, Protection Zones (A3)
2-42 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Automatic activation after the control powers up
The configuration for automatic activation of a protection zone after the control powers up is
performed via the following system variables:
• Channel-specific protection zone:
$SC_PA_ACTIV_IMMED[ n ]
• Machine or NC-specific protection zone:
$SN_PA_ACTIV_IMMED[ n ]
With automatic activation, no relative offset of the protection zone is possible.
Note
If no toolrelated protection zone is active, the tool path is checked against the workpiece-
related protection zones.
If no workpiece-oriented protection zone is active, protection zone monitoring does not take
place.
Block search with calculation
For block search with calculation, the last programmed activation state of a protection zone
is always taken into account.
Program test
In automatic modes, activated and preactivated protection zones are monitored even during
program control: PROGRAM TEST.
2.4.6 Protection zone violation and temporary enabling of individual protection zones
Function
Workpiece and toolrelated protection zones that are activated or deactivated are monitored
for collision. If a protection zone violation is detected, behavior in the individual operating
modes is as follows.
End of temporary release
Temporary release of a protection zone is terminated after the following events:
• after NC RESET
• Operating modes AUTOMATIC or MDA End of block is outside the protection zone
• Manual operating modes: End of movement is outside the protection zone
• Activating a protection zone
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