119
F3SJ-A
User’s Manual
Chapter
4
Ins
ta
llat
io
n
Co
nditions
Wiring/Installation
E
Mutual Interference Prevention
Do not use the sensor system with mirrors in a retro-reflective configuration. Doing so may hinder
detection. It is possible to use mirrors to "bend" the detection zone to a 90-degree angle.
When using more than 1 set of F3SJ, install them so that mutual interference does not occur, such as
by configuring series connections or using physical barriers between adjacent sets.
Series Connection
Series connection can prevent mutual interference when multiple sensors are used. Up to 4 sets, 400
beams, can be connected. The emission of series-connected F3SJ is time-divided, so mutual
interference does not occur and safety is ensured.
How to perform series connection p.122
Emitter
Receiver
Emitter
Receiver
Emitter
Receiver
Emitter
Receiver
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