Figure 23: Tolerance band of the reference contour field (protective field within the protected
openin
g, edge of the protected opening = reference contour)
1
Tolerance band of the reference contour field
2
Distance of the protective field from the reference contour, to ensure availability
Figure 24: Overrun of the protective field in front of an opening
1
Tolerance band of the reference contour field
2
Distance of the protective field from the contour, to ensure availability
3
o = overrun of the protective field over the opening
4.3.5 Monitoring case switching time
When switching between monitoring cases, it is possible that a person may already be
in t
he newly activated protective field when switching takes place. Only switching in time
(namely before the danger arises for the person at this location) ensures protection.
4 P
ROJECT PLANNING
32
O P E R A T I N G I N S T R U C T I O N S | microScan3 – EFI-pro 8021913/15ZW/2019-11-14 | SICK
Subject to change without notice