Document Conventions; Safety Symbols; Electrical Symbols - Endress+Hauser HART Levelflex FMP56 Operating Instructions Manual

Important document information
FMP Feature 010 Approval
56 57
x x IB IECEx Zone 0/1 Ex ia IIC T6 Ga/Gb
x x IE IECEx Zone 20 Ex t[ia] IIIC Txx°C Da IP6x
x x IF IECEx Zone 20/21 Ex t[ia] IIIC Txx°C Da/Db IP6x
x x IG IECEx Zone 2 Ex nA IIC T6 Gc
x x IH IECEx Zone 2 Ex ic IIC T6 Gc
x x I2 IECEx Zone 0/1 Ex ia IIC T6 Ga/Gb, Zone 20/21 Ex t[ia] IIIC Txx°C Da/Db IP6x
x x I3 IECEx Zone 0/1 Ex d[ia] IIC T6 Ga/Gb, Zone 20/21 Ex t[ia] IIIC Txx°C Da/Db IP6x
x x 8A FM/CSA IS+XP Cl.I,II,III Div.1 Gr.A-G
6
For certified devices the relevant Safety Instructions (XA) are indicated on the nameplate.
1.2

Document conventions

1.2.1

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.
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
NOTE!
NOTICE
This symbol contains information on procedures and other facts which do not result in
personal injury.
A0011192-EN
1.2.2

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 (sine-wave) is applied or through which alternating current flows.
A0011198
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 equalization
A0011201
line or a star grounding system depending on national or company codes of practice.
Levelflex FMP56, FMP57
Safety Instructions
XA00496F
XA00501F
XA00501F
XA00498F
XA00498F
XA00502F
XA00503F
XA00531F
XA00532F
Endress+Hauser