Endress+Hauser Levelflex FMP55 - Page 38

Electrical connection Levelflex FMP55 HART
38 Endress+Hauser
4-wire: 4-20mA HART (90 to 253 V
AC
)
3
1
+
L
4
2
4...20 mA
HART
90...253 V~
10 mm
Spare part
71108xxx
2- wire
4-20 mA
HART
[09]
open
-
N
A
13
12
11
910
+
-
2 3
4
6
7
8
5
1
4...20 mA
³ W250
A0018965
 11 Terminal assignment 4-wire; 4-20mA HART (90 to 253 VAC)
1 Evaluation unit, e.g. PLC
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 Signal cable including screening (if required), observe cable specification
6 Protective connection; do not disconnect!
7 Protective earth, observe cable specification
8 4...20mA HART (active): Terminals 3 and 4
9 Supply voltage: Terminals 1 and 2
10 Supply voltage: Observe terminal voltage, observe cable specification
11 Terminal for potential equalization
12 Cable entry for signal line
13 Cable entry for power supply
฀
CAUTION
To ensure electrical safety:
‣
Do not disconnect the protective connection (6).
‣
Disconnect the supply voltage before disconnecting the protective earth (7).