Safety Guidelines
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Qualified Personnel
Correct Usage
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Trademarks
Copyright
Siemens AG 1994 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
Automation Group
Industrial Automation Systems
P.O. Box 4848, D-90327 Nuremberg
Siemens Aktiengesellschaft
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
precautions 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.
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 circuits,
equipment, and systems in accordance with established safety practices and standards.
Note the following:
Warning
This device and its components may only be used for the applications described in the catalog or the
technical description, 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 operated and maintained as recommended.
SIMATIC
and SIMATIC NET
Third parties using for their own purposes any other names in this document which refer to trade-
marks might infringe upon the rights of the trademark owners.
are registered trademarks of SIEMENS AG.
Disclaimer of Liability
We have checked the contents of this manual for agreement with the
hardware and software described. Since deviations cannot be pre-
cluded 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 im-
provement are welcomed.
Technical data subject to change.
Siemens AG 1994
S7-300, Installation and Hardware
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