1.2 Typographical conventions
1.2.1 Safety notes
This User Manual contains information which must be observed to ensure your own
personal safety and to prevent damage to equipment and property. The instructions
and notes are highlighted by warning triangles, a hand or arrow symbol and are
presented as follows, depending on the hazard level:
Only qualified personnel are allowed to install and operate the equipment.
Qualified personnel in the context of the safety-related notes contained in this
document are persons who are authorized to commission, ground and tag devices,
systems and electrical circuits in compliance with established safety practices and
standards.
Note the following:
The controller may only be used on the applications described in the technical
documentation and only in connection with devices or components from other suppliers
that have been approved or recommended by Siemens.
The product can only function correctly and safely if shipped, stored, set up and
installed correctly, and operated and maintained as specified.
1.2.2 Warning symbols
The symbols for Caution and Attention are used in this User Manual under the
following conditions:
Caution This symbol is used where there may be a danger to
personnel if the instructions are disregarded or not
strictly observed!
Attention This symbol is used where damage to equipment or
data can occur if the instructions are disregarded or not
strictly observed!
Attention This symbol is used if precautionary measures must
be taken when handling electrostatically sensitive
components.
Qualified personnel
Correct use
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