Universal automatic switch 1.1 m
Figure
6
: Heat sources in buildings
Some of the mentioned effects can be compensated for using intelligent filter switches by cali-
brating the received signals with typical motion patterns. Selecting the device and installation lo-
cation should be made so that the detection field is suited for the intended purpose.
Technical information and statements
On the one hand the effective range of motion detector applications is affected by a wide range
of factors – however, specifications in the technical data typically come out very precise. These
specifications generally refer to the normal area of use of the device. For flush-mounted motion
detector we assume the typical interior situation in a functional building with moderate ambient
conditions, at a temperature of about 64.4 °F (18 °C), average humidity, used in a hallway with
walking people.
Higher ranges are to be expected for:
–
lower ambient temperature (note season specific clothing)
–
more intense movement of persons
–
reflective surfaces
Lower ranges are to be expected for:
–
higher ambient temperatures, where people move less and there is more heating, such as
is the case with meeting rooms, classrooms, waiting areas and office environments
–
significantly cooler ambient temperature, when clothing has a thicker insulating effect
–
Direction of motion to the motion detector for ("radial detection")
–
rising terrain that limits the geometry of the detection field.
5
Operating Control
Slide switch
The slide switch serves for local control and sets the operating mode (function block 1).
Figure
7
: Slide switch
ON position: Switching on, e.g. light.
OFF position: Switching off, e.g. light
AUTO position: Automatic operating mode. Detected movements within the detection field trig-
ger a switch-on signal.
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