Siemens SINUMERIK 840D sl Function Manual page 109

Figure 3-7
The programmed working area limitation has priority and overwrites the values entered in
SD43420 and SD43430.
Activation/Deactivation
Working area limitation through setting data
The activation/deactivation of the working area limitation for each axis takes place in a direction-
specific manner via the immediately effective setting data:
SD43400 $SA_WORKAREA_PLUS_ENABLE (working area limitation active in the positive
direction)
SD43410 $SA_WORKAREA_MINUS_ENABLE (working area limitation active in the negative
direction)
Value
0
1
Programmed working area limitation
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Programmed working area limitation
Meaning
The working area limitation in positive or negative direction is switched off.
The working area limitation in positive or negative direction is active.
A3: Axis Monitoring, Protection Zones
3.2 Axis monitoring functions
109