Endress+Hauser Levelflex M FMP45 - Page 27

Levelflex M FMP40 and FMP45 Wiring
27
4.2.1 HART connection with E+H RMA 422 / RN 221 N
L00-FMP4xxxx-04-00-00-yy-001
4.2.2 HART connection with other supplies
L00-FMP4xxxx-04-00-00-en-002
"
Caution!
If the HART communication resistor is not built into the supply unit and the HART interface is to
be used, it is necessary to insert a communication resistor of 250 Ω into the 2-wire line.
4...20 mA
1
2
3
4
ENDRESS + HAUSER
RMA 422
Commubox
FXA191
RMA422
RN221N
- FieldCare
1
2
3
4
- FieldCare
Commubox
FXA191
³W250
PLC
DC power supply
unit
or
4...20 mA