10
Distance from reflecting surfaces
The presence of reflecting surfaces in the proximity of the photocell may cause spurious
reflections which obstruct the optical path between the emitter and the receiver and
hamper the detection function (fig. 5).
Upon completing the installation process, check for the presence of reflecting surfaces
which might intercept the beam, first in the centre and then in the proximity of the emitter
and the receiver. At each interception stage, the green led on the receiver (fig. 1) must
not light up.
Figure 5
Multiple systems
When using 2 pairs of MINERVA systems, whether placed side by side or one on top of
the other, make sure they do not interfere with one another by arranging the elements so
that the beam emitted by the emitter of either system is received only by the
corresponding receiver
(fig. 6).
Figure 6
Systems arranged side by side: (A+B)
The two projectors are adjacent
to one another.
Systems one on top of the other: (A+C)
Projectors and receivers in cross position.
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