Endress+Hauser Levelflex FMP55 - Page 40

Electrical connection Levelflex FMP55 HART
40 Endress+Hauser
Terminal assignment 4-wire: 4-20 mA HART (10.4 to 48 V
DC
)
3
1
+
L+
4
2
-
L-
1
3
2
A0036516
 14 Terminal assignment 4-wire: 4-20 mA HART (10.4 to 48 V
DC
)
1 Connection 4-20 mA HART (active): terminals 3 and 4
2 Connection supply voltage: terminals 1 and 2
3 Terminal for cable screen
Block diagram 4-wire: 4-20 mA HART (10.4 to 48 V
DC
)
5
4
1
2
3
+
L+
-
L-
Y
I
6
7
3
4
1
2
A0036526
 15 Block diagram 4-wire: 4-20 mA HART (10.4 to 48 V
DC
)
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 Cable screen; observe cable specification
6 Measuring device
7 Supply voltage; observe terminal voltage, observe cable specification