Endress+Hauser Proline Promass P 300 - About this Document; Symbols Used

Proline Promass P 300
4 Endress+Hauser
About this document
Symbols used 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.
Protective Earth (PE)
A terminal which must be connected to ground prior to establishing any other
connections.
The ground terminals are situated inside and outside the device:
• Inner ground terminal: Connects the protectiv earth to the mains supply.
• Outer ground terminal: Connects the device to the plant grounding system.
Communication symbols
Symbol Meaning
Wireless Local Area Network (WLAN)
Communication via a wireless, local network.
LED
Light emitting diode is off.
LED
Light emitting diode is on.
LED
Light emitting diode is flashing.
Symbols for certain types of information
Symbol Meaning
Permitted
Procedures, processes or actions that are permitted.
Preferred
Procedures, processes or actions that are preferred.
Forbidden
Procedures, processes or actions that are forbidden.
Tip
Indicates additional information.
Reference to documentation.
A
Reference to page.
Reference to graphic.
Visual inspection.