Siemens 353 User Manual page 4

Contents
Conventions and Symbols
The following symbols may be used in this manual and may appear on the equipment. The reader should become
familiar with the symbols and their meaning. Symbols are provided to quickly alert the reader to safety related text.
Symbol
DANGER
WARNING
CAUTION
CAUTION
NOTICE
Important
Note
Qualified Persons
The described equipment should be installed, configured, operated, and serviced only by qualified persons
thoroughly familiar with this User's Manual. A copy of this manual accompanies the equipment. The current version
of the manual, in Portable Document Format (PDF), can be downloaded from www.sea.siemens.com/ia/.
For the purpose of this manual and product labels, a qualified person is one who is familiar with the installation,
assembly, commissioning, and operation of the product, and who has the appropriate qualifications for their
activities such as:
•
Training, instruction, or authorization to operate and maintain devices/systems according to the safety standards
for electrical circuits, high pressures, and corrosive, as well as, critical media.
ii
Conventions, Symbols, and General Information
Meaning
Indicates an immediate hazardous situation which, if not avoided, will result in death
or serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death
or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in minor
or moderate injury.
Indicates a potentially hazardous situation which, if not avoided, may result in
property damage.
Indicates a potential situation which, if not avoided, may result in an undesirable result
or state.
Identifies an action that should be taken to avoid an undesirable result or state.
Identifies additional information that should be read.
Electrical shock hazard. The included Warning text states that the danger of
electrical shock is present.
Electrical shock hazard. Indicated that the danger of electrical shock is present.
Explosion hazard. Indicates that the danger of an explosion hazard exists.
Electrostatic discharge. The presence of this symbol indicates that electrostatic
discharge can damage the electronic assembly.
UM353TP-1
April 2002