Technical data Liquiphant FTL62 HART
52 Endress+Hauser
Continuous operation (FEL60H electronic insert)
4 to 20 mA proportional to the oscillation frequency with superimposed digital
communication protocol HART, 2-wire
For continuous current output, one of the following modes of operation can be selected:
• 4.0 to 20.5 mA
• NAMUR NE 43: 3.8 to 20.5 mA (factory setting)
• US mode: 3.9 to 20.8 mA
15.2.2 Signal on alarm
Signal on alarm in accordance with NAMUR recommendation NE 43.
4 to 20 mA HART:
• Max. alarm: can be set from 21.5 to 23 mA
• Min. alarm: < 3.6 mA (factory setting)
15.2.3 Load
U – 10.5 V
23 mA
[ ]W
10.5
3530
1065
848
£
U
[V]
1
2
R
L max
3
R
L max
A0039232
31 Load 4 to 20 mA HART
1 Power supply 10.5 to 30 V
DC
Ex i
2 Power supply 10.5 to 35 V
DC
, for other types of protection and for non-certified device versions
3 R
Lmax
maximum load resistance
U Supply voltage
Operation via handheld terminal or PC with operating program: take minimum
communication resistance of 250 Ω into consideration.
15.2.4 Damping
Damping affects all the outputs (output signal, display) and is only available in the
continuous 4 to 20 mA mode.
Damping has no effect on the SIO.
Activating damping:
Via local display, Bluetooth, handheld terminal or PC with operating program, continuous
from 0 to 999 s
Factory setting: 1 s
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