SF2 Series
Instruction Manual
4
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The height of the protected area
It is important to distinguish between “Height of the sensitive area”
and “Height of the controlled area” (Fig.3).
- The height of the sensitive area is the distance between the lower
and the upper limits respectively of the first and the last lens.
- The height of the controlled area is the effectively protected area. It
delimits the area where an opaque object with larger or equal
dimensions respect to the resolution of the safety light curtain may
certainly cause the interruption of a beam.
Fig. 3
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The safety distance
It is important to carefully calculate the distance between the point
where the safety device will be placed and the possible danger
associated with the machine to be protected (see section 2
“Installation mode” for the calculation of the safety distance).