Omron F3SJ-A series User Manual page 69

2. Alternate the direction of emission between 2 sets (alternation)
Receiver
Receiver
Emitter
If 2 sets are installed near each other, reflection from the surfaces may cause mutual interference.
3. Keep sufficient distance between the F3SJs so that mutual interference does not occur
Emitter
Emitter
Distance between emitter and
receiver (operating range L)
For 0.2 to 3m
For 3m or more
When using 4 or more sets that are not series-connected, the installations shown below may cause
mutual interference. When mutual interference occurs, the F3SJ enters lockout.
Emitter
Emitter
Emitter
Aligned horizontally
Emitter Receiver
Emitter
Aligned fore and aft
Emitter
Receiver
Receiver
Emitter
D D
Emitter
Receiver
Allowable installation distance D
0.26m
L x tan5 ° = L x 0.088 (m)
Aligned horizontally
Receiver Emitter
Aligned fore and aft
Receiver
Receiver
Aligned vertically
Emitter
Receiver
Emitter
Receiver
Receiver
5
D
Receiver
5
L
Aligned vertically
Receiver Emitter
Emitter
Wiring/Installation
Receiver
Receiver
F3SJ-A
User's Manual
E
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