
Levelflex FMP55 HART
Electrical connection
Hauser
39
Terminal assignment 2-wire: 4-20 mA HART, 4-20 mA
1
3
+
+
2
4
-
-
A
1
3
+
+
2
4
-
-
B
1
4
5
2
3
A0036500
12
Terminal assignment 2-wire: 4-20 mA HART, 4-20 mA
A
Without integrated overvoltage protection
B
With integrated overvoltage protection
1
Connection current output 1, 4-20 mA HART passive: terminals 1 and 2, without integrated overvoltage
protection
2
Connection current output 2, 4-20 mA: terminals 3 and 4, without integrated overvoltage protection
3
Connection current output 2, 4-20 mA: terminals 3 and 4, with integrated overvoltage protection
4
Connection current output 1, 4-20 mA HART passive: terminals 1 and 2, with integrated overvoltage
protection
5
Terminal for cable screen
Block diagram 2-wire: 4-20 mA HART, 4-20 mA
5
4
1
2
3
+
+
+
+
-
-
-
-
Y
I
6
7
8
1
2
3
4
A0036502
13
Block diagram 2-wire: 4-20 mA HART, 4-20 mA
1
Active barrier with power supply (e.g. RN221N); observe terminal voltage
2
HART communication resistor (≥ 250 Ω); observe maximum load
3
Connection for Commubox FXA195 or FieldXpert SFX350/SFX370 (via VIATOR Bluetooth modem)
4
Analog display device; observe maximum load
5
Cable screen; observe cable specification
6
Measuring device
7
Analog display device; observe maximum load
8
Active barrier with power supply (e.g. RN221N), current output 2; observe terminal voltage