Scope; Abbreviations Used; Symbols Used - SICK TR4 Instrucciones De Servicio

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Chapter 1
Note
EDM
OSSD
Recommendation
Note
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Take action ...
WARNING
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About this document
1.4

Scope

These operating instructions are original operating instructions.
These operating instructions are only applicable to the TR4 Direct
safety switch with the following entry on the type label in the field
Operating Instructions: 8014467.
1.5

Abbreviations used

External device monitoring
Output signal switching device
1.6

Symbols used

Recommendations are designed to give you some assistance in your
decision-making process with respect to a certain function or a techni-
cal measure.
Refer to notes for special features of the device.
LED symbols describe the state of a diagnostics LED. Examples:
The LED is illuminated constantly.
The LED is flashing.
The LED is off.
Instructions for taking action are shown by an arrow. Read carefully and
follow the instructions for action.
Warning!
A warning indicates an actual or potential risk or health hazard. They
are designed to help you to prevent accidents.
Read carefully and follow the warning notices!
The term "dangerous state"
The dangerous state (standard term) of the machine is always shown in
the drawings and diagrams of this document as a movement of a ma-
chine 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 risks and hazards
Operating Instructions
TR4
8014467/YIJ2/2015-03-02
Subject to change without notice