Endress+Hauser HART Levelflex FMP53 Operating Instructions Manual page 11

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Levelflex FMP53 HART
Terminal assignment, 2-wire: 4 to 20 mA HART
A
1
 2
Terminal assignment, 2-wire: 4 to 20 mA HART
A
Without integrated overvoltage protection
B
With integrated overvoltage protection
1
Connection 4 to 20 mA, HART passive: terminals 1 and 2, without integrated overvoltage protection
2
Connection 4 to 20 mA, HART passive: terminals 1 and 2, with integrated overvoltage protection
3
Terminal for cable shield
Block diagram, 2-wire: 4 to 20 mA HART
 3
Block diagram, 2-wire: 4 to 20 mA HART
1
Active barrier for power supply (e.g. RN221N); observe terminal voltage
2
Resistor for HART communication (≥ 250 Ω); observe maximum load
3
Connection for Commubox FXA195 or FieldXpert SFX350/SFX370 (via VIATOR Bluetooth modem)
4
Analog display unit; observe maximum load
5
Cable screen; observe cable specification
6
Measuring device
Endress+Hauser
3
3
2
1
+
-
B
4
5
6
+
1
I
-
2
Y
Electrical connection
2
3
A0036498
A0036499
11

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