Endress+Hauser Prosonic S FMU90 - 4.10 Potential equalization

Wiring
33
4.10 Potential equalization
4.10.1 Potential equalization in the field housing
Example
L00-FMU90xxx-04-00-00-xx-007
The wire (a) is already connected on delivery.
#
Warning!
The grounding line of the sensors FDU91F/93/
95/96 and FDU83/84/85/86 must be
connected to the local potential equalization
system after a maximum of 30 m (see section
4.3.1). The metallic terminal block (A) in the
field housing can be used for this.
L00-FMU90xxx-04-00-00-xx-006
A
Display
POWER
HART
0/4…20mA
Sync
Fuse
I
1
FDU-
Sensor
RD
11
BK
10
YE
9
40
39
5
4
6
7
8
1
1
Service
Relay
3
2
1
90 … 253 VAC
10,5 … 32 VDC
NLPE
GNYE
FDU91F/93/95/96
(FDU83/84/85/86)
(a)
FMU90