Operating Instructions
LE 20
8 008 685/Q913/2007-05-21
Contents
Contents
1 1 1 1 1
2 2 2 2 2
Safety notes .............................................................................................. 2 8 7
2 . 1
2 . 2
Safety regulations ................................................................................ 2 8 8
2.3
2.3.1
and LE 20 Muting ........................................................... 2 8 9
2.3.2
Ensuring the protective function,
LE 20 Muting ...................................................................... 2 9 0
2.3.3
2.3.4
2.3.5
3 3 3 3 3
Product description .............................................................................. 2 9 4
3 . 1
System design ....................................................................................... 2 9 4
3 . 2
3 . 3
3.3.1
Test functions ................................................................... 2 9 6
3 . 3 . 2
3 . 3 . 3
3 . 4
3.4.1
Muting mode ...................................................................... 2 9 9
3 . 4 . 2
3.4.3
Override ................................................................................. 3 0 1
3 . 5
System components .......................................................................... 3 0 2
3 . 6
Display elements .................................................................................. 3 0 5
4 4 4 4 4
Installation ................................................................................................ 3 0 6
4 . 1
IP 20 version .......................................................................................... 3 0 6
4 . 2
IP 65 version .......................................................................................... 3 0 6
5 5 5 5 5
6 6 6 6 6
Commissioning ........................................................................................ 3 1 1
6 . 1
6 . 2
Functional test ....................................................................................... 3 1 1
6 . 3
Inspection of the LE 20 .................................................................. 3 1 2
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
GB
2 8 5