Endress+Hauser Prosonic S FMU90 - Page 23

Prosonic S FMU90 Flow Measurement PROFIBUS Wiring
Endress+Hauser 23
3.7.2 Pt100 (connectable to FMU90-********B***)
L00-FMU90xxx-04-00-00-xx-020
A Pt100 with 3-wire-connection
B Pt100 with 4-wire-connection (one connector remains unused)
WARNING
!
Explosion hazard!
A Pt100 may not be connected in explosion hazardous areas.
‣ Use an FMT131 in explosion hazardous areas.
83 84 85
A
Pt100
83 84
FMU90
85
Pt100
B
A Pt100 with 2-wire-connection may not be used due to its insufficient measuring
accuracy.