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Siemens Building Technologies
Cerberus Division
09.2000
The effective region corresponds to the ribbon connecting transmitter, reflector and re-
ceiver.
The core region contains sufficient radiation energy to operate the system.
The energy in the scattered region is not sufficient to ensure reliable operation of the
system.
100m
DLO
0,43°
Opening angle
0,43°
Diameter of the
core region
Infrared beam
Fig. 5 Diameter of the core region
3.3 Alignment possibilities
The infrared beam can be adjusted by each 10° in horizontal direction and each 5° in
vertical direction from the centre axis. When selecting the optimum mounting location
bear in mind that this adjustment range can be fully used. Experience has shown that
the detector and reflector should be arranged as parallel as possible especially with
distances of >50m, as this makes adjustment simpler.
Diameter of the
core region
100m
16m16m
DLR
10°
10°
DLR
DLO
Fig. 6 Horizontal adjustment range of the optical system max. 10° each side of the axis
Diameter of the
core region
DLO
Fig. 7 Vertical adjustment range of the optical system max. 5° above and below the
axis
One rotation of the knurled screw moves the beam at 100m approx. 1.15m.
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