Endress+Hauser Proline Promag L 400 - Document Information; Symbols Used

Proline Promag L 400 Document information
Endress+Hauser 3
1 Document information
1.1 Symbols used
1.1.1 Safety symbols
Symbol Meaning
DANGER
DANGER!
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
WARNING
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION
CAUTION!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
NOTE!
This symbol contains information on procedures and other facts which do not result in personal
injury.
1.1.2 Electrical symbols
Symbol Meaning
Direct current
A terminal to which DC voltage is applied or through which direct current flows.
Alternating current
A terminal to which alternating voltage is applied or through which alternating current flows.
Direct current and alternating current
• A terminal to which alternating voltage or DC voltage is applied.
• A terminal through which alternating current or direct current flows.
Ground connection
A grounded terminal which, as far as the operator is concerned, is grounded via a grounding system.
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.