Multiple Protection; Fig. 9: Distance A As A Function Of The L 400 And L 4000; Fig. 10: Protection Of A Hazardous Area With L 4000/L - SICK L 4000 Manual De Instrucciones

Chapter 4
Fig. 9: Distance a as a
function of the L 400 and
L 4000 scanning ranges
Fig. 10: Protection of a
hazardous area with
L 4000/L 400 sensors in
cascade
WARNING
298
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Installation and mounting
a [mm]
3000
2500
2000
1500
1000
500
130
1 3
3 10

4.1.3 Multiple protection

On the usage of two L 4000/L 400 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.
L 400
6 9 12
20 30 40
S
E
UE 401
S
S
UE 401
Operating Instructions
L 4000 system
L 4000
[m]
15 18 21
L 400
50 60 70
L 4000
E
S
E
E
8010009/TI69/2009-11-26