About This Document; Document Function; Symbols; Safety Symbols - Endress+Hauser Proline Prosonic Flow I 400 Operating Instructions Manual

About this document

6
1 About this document
1.1

Document function

These Operating Instructions contain all the information required in the various life cycle
phases of the device: from product identification, incoming acceptance and storage, to
installation, connection, operation and commissioning, through to troubleshooting,
maintenance and disposal.
1.2

Symbols

1.2.1

Safety symbols

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.
NOTICE
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.2.2

Electrical symbols

Symbol Meaning
Direct current
Alternating current
Direct current and alternating current
Ground connection
A grounded terminal which, as far as the operator is concerned, is grounded via a
grounding system.
Potential equalization connection (PE: protective earth)
Ground terminals that must be connected to ground prior to establishing any other
connections.
The ground terminals are located on the interior and exterior of the device:
• Interior ground terminal: potential equalization is connected to the supply network.
• Exterior ground terminal: device is connected to the plant grounding system.
1.2.3

Communication-specific symbols

Symbol Meaning
Wireless Local Area Network (WLAN)
Communication via a wireless, local network.
Bluetooth
Wireless data transmission between devices over a short distance.
LED
Light emitting diode is off.
Proline Prosonic Flow I 400 Modbus RS485
Endress+Hauser