About This Document; Symbols - Endress+Hauser Proservo NMS83 Brief Operating Instructions

About this document

1 About this document
1.1

Symbols

1.1.1 Safety symbols
Symbol
DANGER
WARNING
CAUTION
NOTICE
1.1.2 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.
1.1.3 Tool symbols
A0011219
Cross-head
screwdriver
4
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.
A0011220
Flat blade
Torx screwdriver
screwdriver
Symbol Meaning
Alternating current
Ground connection
A grounded terminal which, as far as
the operator is concerned, is grounded
via a grounding system.
A0013442 A0011221
Allen key
Proservo NMS83
A0011222
Hexagon wrench
Endress+Hauser