Siemens SIMATIC S5 CP 523 Manual page 2

Siemens has developed this document for its licensees and customers. The information contained herein
is the property of Siemens and may not be copied, used, or disclosed to others without prior written
approval from Siemens. Users are cautioned that the material contained herein is subject to change by
Siemens at any time and without prior notice.
Siemens shall not be responsible for any damages, including consequential damages, caused by reliance
on material presented, including but not limited to typographical, electronic, arithmetic, or listing
errors.
Only qualified personnel should install or maintain this equipment after becoming thoroughly familiar
with all warnings, safety notices, and maintenance procedures contained in this manual. The successful
and safe operation of this equipment is dependent upon proper handling, installation, operation, and
maintenance.
The following are definitions of the terms "qualified person," "danger," "warning," and "caution," as
applicable for this document.
Qualified Person
One who is familiar with the installation,
construction, and operation of this equipment and
the hazards involved. In addition, the person
should have the following qualifications:
• Be trained and authorized to use and tag
circuits and equipment in accordance with
established safety practices
• Be trained in the proper care and use of
protective equipment in accordance with
established safety practices
• Be trained in rendering first aid
® ®
STEP 5 and SIMATIC are registered trademarks of Siemens AG.
©
Copyright Siemens AG 1989
Second Printing, march 1991
Printed in the Federal Republic of Germany
WARNING
!
Hazardous voltage.
Can cause death, severe
personal injury, or substantial
property damage.
Restrict use to qualified
personnel.
See safety instructions.
DANGER
Indicates loss of life, severe personal injury, or
substantial property damage will result if
proper precautions are not taken.
WARNING
Indicates loss of life, severe personal injury, or
substantial property damage can result if
proper precautions are not taken.
CAUTION
Indicates minor personal injury or property
damage can result if proper precautions are not
taken.