Important Document Information; Document Function; Symbols; Safety Symbols - Endress+Hauser Levelflex FMP53 FOUNDATION Fieldbus Operating Instructions Manual

Important document information

6
1 Important 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

1.2.1

Safety symbols

Symbol Meaning
DANGER!
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
DANGER
serious or fatal injury.
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
WARNING
serious or fatal injury.
CAUTION!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
CAUTION
minor or medium injury.
NOTE!
This symbol contains information on procedures and other facts which do not result in
NOTICE
personal injury.
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
Torx screwdriver
A0013442
Flat blade screwdriver
A0011220
Levelflex FMP53 FOUNDATION Fieldbus
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