22
FA (FAST)
- allows you to
ensure a rapid response
(according to PN-EN 12445)
for the duration of the
photocell. This mode is not
recommended because of
faster battery consumption.
Setting distance
a n d m o d e o f
operation affect
the battery life. If
possible, we suggest using
the TRIG mode and set the
range to 7m.
4.3. Photocell operation
under specific conditions
If the photocell
operates in an environment
exposed to uncontrolled
reflections of the infrared, a
s i t u a t i o n i n w h i c h t h e
photocell does not react to
the emergence of obstacles in
the protected area can occur.
I n o r d e r t o a v o i d t h i s
situation, move the jumper J1 from position 15m to 7m which will reduce the power of photocell
transmitters.(Fig.1, 2).
5. Installation
For proper functioning of the photocell, transmitter and receiver must be installed in
one axis at a height of 40 - 60 cm from the ground. The distance between the transmitter and
receiver should not be less than 1 meter. With the ability to rotate the electronic boards inside
the housing in the range of 200° (Figure 7), photocells can be mounted in a plane parallel to the
barrier line they have to create (Figure 6). The photocells should be mounted vertically so that
the terminal blocks and the moisture drain holes in the cover were in the lower part of the
housing (Figure 7).
Fig. 6
Example location of the transmitter and receiver.
transmitter
TX
receiver
RX
max 15 m
min 1m
DTM System
spółka z ograniczoną odpowiedzialnością spółka komandytowa
ul. Brzeska 7, 85-145 Bydgoszcz
tel./fax. (52) 340-15-83, 340-15-84
www.dtm.pl, [email protected]
EN
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