Preface
v
7SS52 V4 Manual
C53000-G1176-C182-3
QUALIFIED PERSONNEL
For the purpose of this instruction manual and product labels, a qualified person is one
who is familiar with the installation, construction and operation of the equipment and
the hazards involved. In addition, he or she has the following qualifications:
•
Is trained and authorized to energize, de-energize, clear, ground and tag circuits
and equipment in accordance with established safety practices.
•
Is trained in the proper care and use of protective equipment in accordance with es-
tablished safety practices.
•
Is trained in rendering first aid.
Typographic
and symbol
conventions
The following text formats are used when literal information from the device or to the
device appear in the text flow:
Parameter names
, i.e. designators of configuration or function parameters, which
may appear word-for-word in the display of the device or on the screen of a personal
computer (with DIGSI), are marked in bold letters of a monospace type style.
Parameter options
, i.e. possible settings of text parameters, which may appear
word-for-word in the display of the device or on the screen of a personal computer
(with DIGSI), are written in italic style, additionally. This applies also for options in
menus.
“
Annunciations
”, i.e. designators for information, which may be output by the relay
or required from other devices or from the switch gear, are marked in a monospace
type style in quotes.
Deviations may be permitted in drawings when the type of designator can be obviously
derived from the illustration.
The following symbols are used in drawings:
Device-internal logical input signal
Device-internal logical output signal
Internal input signal of an analog quantity
External binary input signal with number (binary input,
input indication)
External binary output signal with number (device indi-
cation)
Example of a parameter switch designated with the
address and the possible settings
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