Electrical Connection; Connection Conditions; Terminal Assignment - Endress+Hauser Levelflex FMP55 Operating Instructions Manual

Levelflex FMP55 HART
Endress+Hauser
7

Electrical connection

7.1

Connection conditions

7.1.1

Terminal assignment

2-wire: 4-20mA HART
9
8
1 2
+
–
3
1
2
+
–
3
 8 Terminal assignment 2-wire; 4-20mA HART
A Without integrated overvoltage protection
B With integrated overvoltage protection
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 4-20mA HART (passive): Terminals 1 and 2
7 Overvoltage protection module
8 Terminal for potential equalization line
9 Cable entry
A
4 5 6
+
–
4...20 mA
B
7
4 5
+
–
4...20 mA
Electrical connection
A0011294
35