Omron F3SJ Series, Original Instructions Manual

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Chapter
4
Ins
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Co
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F3SJ-A
User’s Manual
Wiring/Installation

Distance from Reflective Surfaces
Install the sensor system so that it is not affected by reflective surfaces. Failure to do so
may hinder detection, resulting in serious injury.
Install the sensor system at distance D or further from highly reflective surfaces such as metallic walls,
floors, ceilings, or workpieces, as shown below.
Distance between an emitter and a
receiver (operating range L)
Allowable installation distance
D
For 0.2 to 3m 0.13m
For 3m or more L/2 x tan5 ° = L x 0.044 (m)
L
D
D
L
D
5 5
Detection zone
Emitter
Receiver
Reflective ceiling
Reflective floor
Emitter
Receiver
Reflective surface