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Safety
14
SOLID-4
Leuze electronic
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2.7
Additional safety instructions for access guarding with SOLID-4
Warning!
SOLID-4 Safety Light Curtains with a resolution of 14, 20, 30 or 40 mm detect hands, arms
or bodies of a person entering the danger zone, and therefore can be placed closer to the
danger zone than Safety Light Curtains with a resolution of 90 mm. In this case, the height
of the highest and lowest beam above the reference plane must be selected in accordance
with EN ISO 3857.
It applies for all versions that people are only detected during the access, their presence in
the danger zone, however, is not detected! When one or more beams are interrupted by a
person, the machine control unit must therefore go into safe interlock.
The start/restart interlock function is therefore obligatory for access guarding! The start/
restart button for unlocking the device must be mounted in such a way that it cannot be
reached from inside the danger zone and the entire danger zone is fully visible from its
installation position. For this, see also Chapter 6.1.3.