Endress+Hauser Levelflex FMP55 Operating Instructions Manual page 44

Electrical connection
2-wire; 4-20mA HART, 4-20mA
2)
"Approval" Terminal voltage U at the device
any Channel 1:
18.5 to 30 V
Channel 2:
12 to 30 V
1) Feature 020 of the product structure: option C
2) Feature 010 of the product structure
44
1)
Polarity reversal Yes
protection
Admissible residual ripple U
at f = 0 to 100 Hz
Admissible residual ripple U
at f = 100 to 10000 Hz
Maximum load R, depending on the supply voltage U
supply unit
R [ ] W
500
0
10
R [ ]
W
500
0
10
12
< 1 V
SS
< 10 mV
SS
Levelflex FMP55 HART
20 30
18.5 29.5
20 30
23
Endress+Hauser
at the
0
U 0 [V]
A0014080
U 0 [ ]
V
A0022583