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Chapter 4
Fig. 10: Protection of a
hazardous area with
L4000/L400 sensors in
cascade
WARNING
78
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Installation and mounting
4.1.3 Multiple protection
On the usage of two L4000/L400 sensor pairs in cascade, mutual
optical interference must be prevented. The following conditions must
therefore be observed on the placement of the sensors:
No more than two sensor pairs are allowed in a cascade.
Operating Instructions
L4000 system
8010009/1HGT/2022-11-21
Subject to change without notice
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