Wiring Levelflex M FMP40 and FMP45
26
HART residual ripple, 2-wire: U
ss
≤ 200 mV
HART, 4-wire active
Power consumption
min. 60 mW, max. 900 mW
Current consumption
Overvoltage protection
If there is the risk of differences in potential forming when installing the Levelflex M to measure the
level of flammable liquids, the device can be fitted with a T12 housing and integrated overvoltage
protection (600 V gas tube surge arrester), see Ordering structure on Page 6. This overvoltage
protection meets the requirements of DIN EN 60079-14, test standard 60060-1, and also protects
the device (10 kA, impulse 8/20 µs).
Communication
Current
consumption
Terminal voltage
minimal maximal
HART
standard
4mA 16V 36V
20 mA 7.5 V 36 V
EEx ia
4mA 16V 30V
20 mA 7.5 V 30 V
EEx em
EEx d
4mA 16V 30V
20 mA 11 V 30 V
Fixed current, adjustable
e.g. for solar power
operation (measured
value transferred at
HART)
standard 11 mA 10 V 36 V
EEx ia 11 mA 10 V 30 V
Fixed current for HART
Multidrop mode
standard 4 mA
1)
1) Start up current 11 mA.
16 V 36 V
EEx ia 4 mA
1)
16 V 30 V
Version Voltage Max. load
DC 10.5...32 V 600 Ω
AC 85...250 V 600 Ω
Communication
Current
consumption
Current
consumption
Power consumption
HART, 2-wire 3.6…22 mA —
HART, 4-wire (90...250 V
AC
) 2.4...22 mA ~ 3...6 mA / ~ 3.5 VA
HART, 4-wire (10,5...32 V
DC
) 2.4...22 mA ~ 100 mA / ~ 1 W
PROFIBUS-PA max. 11 mA —
Foundation Fieldbus (FF) max. 15 mA —
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