ABB Orion1 Base - Installation of Several Adjacent Aopds

2TLC172287M0201 Rev B 16 www.abb.com/jokabsafety
2015-09-17
Warning! Please note that TX
A
can interfere with RX
B
in the same way as TX
B
with RX
A
and, if the two pairs of AOPD
have different operating distances, the longest one should be used for the calculation of D
do
.
3.2.4 Installation of several adjacent AOPDs
When several AOPDs must be installed close to each other, interferences between the transmitter of one device and
the receiver of the other must be avoided.
Figure 13 provides some examples of correct and incorrect installations when it comes to interferences.
Figure 13 – Installation of several devices close to each other
NO
YES
RX
TX
YES