SICK L 4000 Manual De Instrucciones página 307

Operating Instructions
L 4000 system
8010009/TI69/2009-11-26
About this document
Always read warnings attentively and follow instructions carefully!
Sender and receiver
In drawings and diagrams, the symbol
symbol denotes the receiver.
The term "dangerous state"
The "dangerous state" (standard term) of the machine is always
shown in the drawings and diagrams of this document as the move-
ment of a machine part. In practical operation, there may be a num-
ber of different dangerous states:
Machine movements,
Electrical conductors,
Visible or invisible radiation,
A combination of several hazards.
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Chapter 1
denotes the sender and the
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