Simatic - Siemens simatic c7-621 Hardware Installation Manual

Safety Guidelines
Qualified Personnel
Correct Usage
Trademarks
Copyright
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
Industrial Automation Systems
Postfach 4848, D-90327 Nuernberg
Siemens Aktiengesellschaft
ii
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.
The device/system may only be set up and operated in conjunction with this manual.
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 sys-
tems 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 SMATIC NET
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.
Siemens AG 1997 All rights reserved
are registered trademarks of SIEMENS AG.
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 1997
C79000-G7076-C621
C7-621 / C7-621 AS-i Control Systems
C79000 G7076 C621 01