Functional Safety; Symbols Used; Safety Symbols; Electrical Symbols - Endress+Hauser iTEMP TMT162 Bedienungsanleitung

iTEMP TMT162
the nameplate. If the two numbers (on the Ex documentation and the nameplate) are
identical, then you may use this Ex-specific documentation.
1.1.2

Functional safety

Please refer to Safety Manual SD01632T/09 for the use of approved devices in protective
systems according to IEC 61508.
1.2

Symbols used

1.2.1

Safety symbols

Symbol
DANGER
WARNING
CAUTION
NOTICE
1.2.2

Electrical symbols

Symbol Meaning
Direct current
Direct current and alternating current
Symbol Meaning
Protective ground connection
A terminal which must be connected to ground prior to establishing any other connections.
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
Meaning
DANGER!
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTE!
This symbol contains information on procedures and other facts which do not result in
personal injury.
Important document information
Symbol Meaning
Alternating current
Ground connection
A grounded terminal which, as far as
the operator is concerned, is grounded
via a grounding system.
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