Omron L User Manual page 21

Section 1
FEATURES
Mutual Interference Prevention for Closely Mounted
Sensor Heads
The sensor has a mutual interference prevention function which allows multiple Sensor
Heads to be mounted close to each other.
This function is supported for up to two Sensor Heads by using ZX-CAL2 Calculating
Units.
p.24
ZX-L-N
4
User's Manual
Calculating
Unit