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6.7 Multiple systems
The use of several safety light curtains / light grids can lead to malfunction
and disable the protective function.
The safety light curtains / light grids are to be installed so that the beam sent by
the transmitter of a system can only be detected by the respective receiver.
The following important rules for installation are to be observed to avoid mutual
interference of several systems:
Arrangement A
Arrangement B
R1
T1
T2
R2
T1
R1
Possible arrangements:
A: Position of both transmitters
next to each other
B: Position transmitter 1 and
receiver 2 on top of each other
C: Combination in "L" shape
Arrangement C
R1
R2
T2
T2
T = transmitter; R = receiver
