Document Information; Document Function; Symbols Used - Endress+Hauser Cerabar M Operating Instructions Manual

Document information

4
1 Document information
1.1

Document function

These Operating Instructions contain all the information that is required in various phases
of the life cycle of the device: from product identification, incoming acceptance and storage,
to mounting, connection, operation and commissioning through to troubleshooting,
maintenance and disposal.
1.2

Symbols used

1.2.1 Safety symbols
Symbol Meaning
DANGER!
DANGER
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
seriousor fatal injury.
A0011189-DE
WARNING!
WARNING
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
seriousor fatal injury.
A0011190-DE
CAUTION!
CAUTION
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minoror medium injury.
A0011191-DE
NOTICE!
NOTICE
This symbol contains information on procedures and other facts which do not result in
personalinjury.
A0011192-DE
1.2.2 Electrical symbols
Symbol Meaning
Direct current
Direct current and alternating current
Protective ground connection
A terminal which must be connected
to ground prior to establishing any
other connections.
1.2.3 Tool symbols
Symbol Meaning
Allen key
A0011221
Hexagon wrench
A0011222
Cerabar M, Deltabar M, Deltapilot M
Symbol Meaning
Alternating current
Ground connection
)
A grounded terminal which, as far as
the operator is concerned, is grounded
via a grounding system.
Equipotential connection
A connection that has to be connected
to the plant grounding system: This
may be a potential equalization line or
a star grounding system depending on
national or company codes of practice.
Endress+Hauser