Endress+Hauser Proline Promag - Page 6

Document information Proline Promag
6 Endress+Hauser
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.
1.1.4 Communication symbols
Symbol Meaning 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.
LED
Light emitting diode is on.
LED
Light emitting diode is flashing.
1.1.5 Tool symbols
Symbol Meaning Symbol Meaning
Torx screwdriver Flat blade screwdriver
Cross-head screwdriver Allen key
Open-ended wrench
1.1.6 Symbols in graphics
Symbol Meaning Symbol Meaning
1, 2, 3,... Item numbers
1.
,
2.
,
3.
… Series of steps
A, B, C, ... Views A-A, B-B, C-C, ... Sections
-
Hazardous area
.
Safe area (non-hazardous area)
Flow direction