Siemens SIMATIC Box PC 820, Manual

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Safety Guidelines
This manual contains notices which you should observe to ensure your own personal safety, as
well as to protect the product and connected equipment. These notices are highlighted in the
manual by a warning triangle and are marked as follows according to the level of danger:
!
Danger
indicates that death, severe personal injury or substantial property damage will result if proper pre-
cautions are not taken.
!
Warning
indicates that death, severe personal injury or substantial property damage can result if proper
precautions are not taken.
!
Caution
indicates that minor personal injury or property damage can result if proper precautions are not
taken.
Note
draws your attention to particularly important information on the product, handling the product,
or to a particular part of the documentation.
Qualified Personnel
Only qualified personnel should be allowed to install and work on this equipment. Qualified
persons are defined as persons who are authorized to commission, to ground, and to tag cir-
cuits, equipment, and systems in accordance with established safety practices and standards.
Correct Usage
Note the following:
!
Warning
This device and its components may only be used for the applications described in the catalog or the manual, and only
in connection with devices or components from other manufacturers which have been approved or recommended by
Siemens.
This product can only function correctly and safely if it is transported, stored, set up, and installed correctly, and oper
ated and maintained as recommended.
Trademarks
SIMATIC , SIMATIC HMI and SIMATIC NET are registered trademarks of Siemens AG.
Third parties using for their own purposes any other names in this document which refer to
trademarks might infringe upon the rights of the trademark owners.
We have checked the contents of this manual for agreement with the
hardware and software described. Since deviations cannot be precluded
entirely, we cannot guarantee full agreement. However, the data in this
manual are reviewed regularly and any necessary corrections included in
subsequent editions. Suggestions for improvement are welcomed.
Subject to change without prior notice
Siemens AG 2000
Disclaimer of Liability
Copyright Siemens AG 2000 All rights reserved
The reproduction, transmission or use of this document or its contents is
not permitted without express written authority. Offenders will be liable for
damages. All rights, including rights created by patent grant or registration
of a utility model or design, are reserved.
Siemens AG
Bereich Automatisierungs und Antriebstechnik
Geschaeftsgebiet IndustrieAutomatisierungssysteme
Postfach 4848,D90327 Nuernberg
Siemens Aktiengesellschaft A5E00051531
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