Important Document Information; Document Function; Document Conventions - Endress+Hauser Soliswitch FTE20 Operating Instructions Manual

Important document information

1 Important document information
1.1

Document function

These Operating Instructions contain all the information that is required in various phases of the
life cycle of the device: from product identification, incoming acceptance and storage, to
mounting, connection, operation and commissioning through to troubleshooting, maintenance
and disposal.
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
NOTICE!
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
line or a star grounding system depending on national or company codes of practice.
A0011201
4
Soliswitch FTE20
Endress+Hauser