Endress+Hauser Levelflex FMP55 - Electrical Connection; Connection Conditions

Levelflex FMP55 HART Electrical connection
Endress+Hauser 37
7 Electrical connection
7.1 Connection conditions
7.1.1 Terminal assignment
Terminal assignment 2-wire: 4-20 mA HART
1
+
2
-
A
1
+
2
-
B
1
2
3
A0036498
 8 Terminal assignment 2-wire: 4-20 mA HART
A Without integrated overvoltage protection
B With integrated overvoltage protection
1 Connection 4-20 mA HART passive: terminals 1 and 2, without integrated overvoltage protection
2 Connection 4-20 mA HART passive: terminals 1 and 2, with integrated overvoltage protection
3 Terminal for cable screen
Block diagram 2-wire: 4-20 mA HART
5
4
1
2
3
++
--
Y
I
6
1
2
A0036499
 9 Block diagram 2-wire: 4-20 mA HART
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