Siemens SIMATIC NET PROFIBUS User Manual

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!
Danger
indicates that death, severe personal injury or substantial property damage will result if proper precau-
tions are not taken.
!
Warning
indicates that death, severe personal injury or substantial property damage can result if proper precau-
tions 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 circuits, equipment, and sy-
stems 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
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 cor-
rectly, and operated and maintained as recommended.
Trademarks
SIMATIC
R
, SIMATIC HMI
R
 and SIMATIC NET
R
 are registered trademarks of SIEMENS AG.
HCS
 is a registered trademark of Ensign–Bickford Optics Company.
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.
Safety Guidelines
We have checked the contents of this manual for agreement with the hard-
ware 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.
Disclaimer of Liability
Copyright Siemens AG 1999 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
Geschäftsgebiet Industrielle Kommunikation
Postfach 4848, D-90327 Nürnberg
E
 Siemens AG 1999
Subject to technical change.
Siemens Aktiengesellschaft
Order no.  6GK 1970–5AC20–0AA1