SICK L4000 Instrucciones De Operación página 63

Operating Instructions
L4000 system

WARNING
ρ θ
8010009/YTA2/2016-05-02
Subject to change without notice
About this document
Warning!
A warning notice indicates an actual or potential risk or health
hazard. They are designed to help you to prevent accidents.
Always read warnings attentively and follow instructions carefully!
Sender and receiver
In drawings and diagrams, the symbol ρ denotes the sender and the
symbol θ 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
movement of a machine part. In practical operation, there may be a
number 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
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Chapter 1
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