Electrical Connections; Power Supply Connection - Endress+Hauser PROline prosonic flow 93 II3G Ex-Dokumentation Zu Den Betriebsanleitungen

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Electrical connections

Power supply connection

A
➀
B
➀ = power supply cable
Fig. 1:
A = view A
➁ = screw terminal for connection to potential equalisation
B = view B
Caution:
• The transmitter is to be securely connected to the potential equalization system using
the screw terminal ➁ on the outside of the transmitter housing.
• The sensor holders are to be grounded using the external screw terminal ➃.
Alternatively, the sensor can be connected to the potential equalization system via the
pipeline when a ground connection according to regulations can be assured.
The table below contains the values that are identical for all versions, irrespective of the
type code.
Transmitter Prosonic Flow 93
Terminals 1
L (+)
Power supply ➀
Designation
Functional AC: U = 85...260 V
values 18 VA
or
AC: U = 20...55 V
15 VA / 11 W
or
DC: U = 16...62 V
15 VA / 11 W
PROline Prosonic Flow 93 PROFIBUS-DP/-PA
N (L-)
L1 (L+)
A
B
➁
2 3
N (–)
Protective earth
Caution:
Follow ground
network requirements
for the facility.
–
– – –
+ + + +
1 2 20 21 22 23 24 25 26 27
➀
Prosonic Flow W/P
DDU 10/18/19
➃
Endress+Hauser