Siemens SIMATIC NET PROFIBUS User Manual

Page 436

Index-2

PROFIBUS Optical Bus Terminal (OBT)

C79000-G8976-C122-02

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.

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

, 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.

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:

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

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 Automatisierungstechnik
Geschäftsgebiet Industrie-Automatisierung
Postfach 4848, D-90327 Nürnberg

Siemens AG 1998

Subject to technical change.

Siemens Aktiengesellschaft

Order no. C79000–G8976–C122