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LBK System| Instruction manual v1.3 SEP 2019 |LBK-System_instructions_en v1.3|© 2018-2019 Inxpect SpA
5.2 Sensor field of vision
5.2.1 Types of field of vision
During the configuration phase it is possible to select the type of field of vision for each sensor:
l 110°
l 50°
The actual field of vision of the sensor also depends on the sensor installation height and inclination. See
"Calculation of position for sensor height < 1 m" on page28 and "Calculation of position for sensor height > 1
m" on page32.
5.2.2 Features of the 50° field of vision
For the access detection function, the 50° field of vision makes the sensor more robust against interference
from materials such as iron and water that reflect the radar signal (e.g. iron shavings, water splatters, rain). It
is therefore also suitable for outdoor installations.
For the restart prevention function, a sensor set with 50° field of vision has the same coverage as the 110°
field of vision.
NOTICE: during the configuration phase, take this aspect into consideration to avoid generating false alarms.
5.2.3 Areas and dimensions of the field of vision
The sensor field of vision is composed of two areas:
l detection area [A]:where detection of objects similar to humans in any position is guaranteed.
l uncertainty area [B]:where the actual detection of motion depends on the characteristics of the object
(see "Factors that influence the reflected signal" on page18).
Dimensions of the 110° field of vision
Top view
Side view
Dimensions of the 50° field of vision
Top view
Side view
5. Sensor position
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