Endress+Hauser Levelflex FMP56 Operating Instructions Manual page 43

Levelflex FMP56, FMP57 HART
2-wire; 4-20mA HART, 4-20mA
2)
"Approval" Terminal voltage U at device
all Channel 1:
13.5 to 30 V
Channel 2:
12 to 30 V
1) Feature 020 in the product structure: option C
2) Feature 010 in the product structure
3) At ambient temperatures T
4) At ambient temperatures T
5) If the Bluetooth module is used, the minimum supply voltage increases by 2 V.
Integrated polarity reversal protection
Permitted residual ripple with f = 0 to 100 Hz
Permitted residual ripple with f = 100 to 10 000 Hz
1)
"Power supply; output"
K: 4-wire 90-253VAC; 4-20mA HART
L: 4-wire 10.4-48VDC; 4-20mA HART
1) Feature 020 in the product structure
Endress+Hauser
1)
Maximum load R, depending on the supply voltage U
3) 4) 5)
R [ ] Ω
500
0
10
R [ ]
W
500
0
≤ -30 °C, a terminal voltage U ≥ 16 V is required to start the device with the minimum failure current (3.6 mA).
a
≤ -40 °C, the maximum terminal voltage must be limited to U ≤ 28 V.
a
4-wire, 4-20mA HART, active
Terminal voltage U
90 to 253 V
10.4 to 48 V
7.1.5 Overvoltage protection
If the device is intended to be used for level measurement of flammable liquids which
requires overvoltage protection in accordance with DIN EN 60079-14,
test standard 60060-1 (10 kA, pulse ⁸⁄₂₀ µs): use the overvoltage protection module.
20
13.5 24.5
10 20
12 23
(50 to 60 Hz), overvoltage category II
AC
DC
of the power supply unit
0
U 0 [V]
30
30 U 0 [ ]
V
Yes
U < 1 V
SS
U < 10 mV
SS
Maximum load R
500 Ω
Electrical connection
A0034969
A0022583
max
43