Endress+Hauser Levelflex M FMP45 Operating Instructions Manual page 30

Wiring
30
Overvoltage protection
If the measuring device is used for the level measurement in flammable liquids which requires the
use of an overvoltage protection according to DIN EN 60079-14, standard for testprocedures DIN
IEC 60060-1 (10 kA, Puls 8/20 μs) it has to be ensured that
• the measuring device with integrated overvoltage protection with gas discharge tubes within the
T12-enclosure is used, refer to product overview on → ä 8
or
• this protection is achieved by the use of other appropriate measures (external protection devices
e.g. HAW262Z).
4.2.1 HART connection with Endress+Hauser RMA422 / RN221N
FXA193
1 2 3 4
4.2.2 HART connection with other supplies
FXA193
1 2 3 4
Levelflex M FMP45 with HART/4...20 mA
- ToF Tool -
Fieldtool
Package
- FieldCare
4...20 mA
ENDRESS + HAUSER
RMA 422
df das. dsdmdm asdas fa
asas la.
FMP40: LIC0001
ONLINE
1 GROUP SELECT
2 PV 8.7 m
HELP SAVE
Page
Up
Bksp Delete
Page
On
# % & A B C D E F
1 2 3
Copy Paste Hot Key
G H I J K L M N O
4 5 6
Insert + Hot Key
P Q R S T U V W X Y Z
7 8 9
, ( ) ' _ < > + * /
. 0 -
375
FIELD COMMUNICATOR
HART
DXR375
- ToFTool -
Fieldtool
Package
- Fieldcare
4...20 mA
≥ Ω
250
df das. dsdmdm asas la. asdas fa
FMP40: LIC0001
ONLINE
1 GROUP SELECT
2 PV 8.7 m
HELP SAVE
Page
Up
Bksp Delete
Page
On
# % & A B C D E F
1 2 3
Copy Paste Hot Key
G H I J K L M N O
4 5 6
Insert + Hot Key
P Q R S T U V W X Y Z
7 8 9
, ( ) ' _ < > + * /
. 0 -
375
FIELD COMMUNICATOR
HART
Commubox
DXR375
FXA191/FXA195
RMA422
RN221N
- ToF Tool -
Fieldtool
Package
- FieldCare
Commubox
FXA191/FXA195
DC power supply
- ToFTool -
Fieldtool
Package
- FieldCare
Endress + Hauser
L00-FMR2xxxx-04-00-00-en-009
unit
or
PLC
L00-FMR2xxxx-04-00-00-en-008