©
CIAS Elettronica S.r.l.
Ed. 2.4
2 INSTALLATION
2.1 Mounting of the Unit
Bothe units (TX and RX) are mounted by fixing the support base to the ground.
Position the lower cover over the base, insert the column in the appropriate spine and after
positioning the locking “L” bracket fix ever thing using the screws provided.
2.2 Number of Zones
When planning protection of a closed perimeter using volumetric barriers, as well as the normal
considerations relating to the subdivision of the system into a specific number of zones to suit
the management of the systems, it is also necessary to remember that it is preferable to install
an even number of zones for this type of technology. This is because in a closed perimeter
created by a odd number of zones it would be necessary to have an overlap/crossover between
a transmitter and a receiver which could cause mutual interference.
In figure 1a) the corner between the two Tx and Rx is correct, but the two heads are very close
and the transmitter that corresponds to the receiver positioned on this corner is a very long way
away. In figure 1d) the two Tx and RX heads create a corner greater than 90° and are therefore
not correct because the two heads are very close together.
Fig.1a
Fig.1d
CORRECT
CORRECT
INCORRECT
INCORRECT
CORRECT
CORRECT
Fig.1e
Fig.1b
Fig.1c
Fig.1f
Installation Manual
Page
31
of
56
PYTHAGORAS
