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:
indicates that death, severe personal injury or substantial property damage can result if proper precautions are
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 sysĆ
tems in accordance with established safety practices and standards.
Note the following:
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.
! UL + CSA: Lithium Battery Replacement
Danger of explosion if battery is incorrectly replaced. Replace only with same or equivalent type
recommended by the manufacturer. Dispose of used batteries according to the manufacturer's instructions.
! FM WARNING - DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS LOCATION IS KNOWN TO
SIMATIC® and SIMATIC NET®, and SIMATIC HMI® 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.
Copyright © Siemens AG 1993 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
Bereich Automatisierungs- und Antriebstechnik
Postfach 4848, D-90327 Nuernberg
Disclaimer of Liability
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.
© Siemens AG 1993
Subject to change without prior notice.