Endress+Hauser Prosonic S FMU90 PROFIBUS DP - Potential Equalization of Metallic Sensors in Aluminum Field Housing

Electrical connection Prosonic S FMU90 PROFIBUS DP
32 Endress+Hauser
Valid for the following sensors
• FDU91F
• FDU93
• FDU95
These sensors are no longer available but can be connected to the Prosonic S in existing
installations.
• FDU96
• FDU83
• FDU84
• FDU85
• FDU86
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
Service
Relay
2
1
3
90 … 253 VAC
10,5 … 32 VDC
N L PE
GNYE
2
FDU91F/93/95/96
(FDU83/84/85/86)
1
A0032583
 26 Potential equalization of metallic sensors in polycarbonate field housing
1 Terminal block in field housing for potential equalization
2 Potential equalization; wired on delivery.
Potential equalization of metallic sensors in aluminum field housing
Valid for:
Order code 030 (housing, material)
Option 3 (field mounting, aluminum, IP66 NEMA4x)
Valid for the following sensors
• FDU91F
• FDU93
• FDU95
These sensors are no longer available but can be connected to the Prosonic S in existing
installations.
• FDU96
• FDU83
• FDU84
• FDU85
• FDU86