Important Document Information; Document Conventions - Endress+Hauser Levelflex FMP53 Technical Information

Levelflex FMP53

Document conventions

Endress+Hauser

Important document information

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.
A0011189-EN
WARNING!
WARNING
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in serious
or fatal injury.
A0011190-EN
CAUTION!
CAUTION
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in minor
or medium injury.
A0011191-EN
NOTICE!
NOTICE
This symbol contains information on procedures and other facts which do not result in personal
injury.
A0011192-EN
Electrical symbols
Symbol Meaning
Direct current
A terminal to which DC voltage is applied or through which direct current flows.
A0011197
Alternating current
A terminal to which alternating voltage is applied or through which alternating current flows.
A0011198
Direct current and alternating current
• A terminal to which alternating voltage or DC voltage is applied.
A0017381
• 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.
A0011200
Protective ground connection
A terminal which must be connected to ground prior to establishing any other connections.
A0011199
Equipotential connection
A connection that has to be connected to the plant grounding system: This may be a potential
A0011201 equalization line or a star grounding system depending on national or company codes of practice.
Symbols for certain types of information
Symbol Meaning
Allowed
Indicates procedures, processes or actions that are allowed.
A0011182
Preferred
Indicates procedures, processes or actions that are preferred.
A0011183
Forbidden
Indicates procedures, processes or actions that are forbidden.
A0011184
Tip
Indicates additional information.
A0011193
Reference to documentation
Refers to the corresponding device documentation.
A0011194
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