Endress+Hauser Micropilot FMR53 - Page 24

Micropilot FMR53, FMR54
24 Endress+Hauser
Block diagram 4-wire: 4-20 mA HART (90 to 253 V
AC
)
5
4
1
2
3
+
L
-
N
Y
I
6
7
3
4
1
2
A0036527
 11 Block diagram 4-wire: 4-20 mA HART (90 to 253 V
AC
)
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 scree; observe cable specification
6 Measuring device
7 Supply voltage; observe terminal voltage, observe cable specification
Terminal assignment PROFIBUS PA / FOUNDATION Fieldbus
1
3
+
+
2
4
-
-
A
1
3
+
+
2
4
-
-
B
1
4
5
2
3
A0036500
 12 Terminal assignment PROFIBUS PA / FOUNDATION Fieldbus
A Without integrated overvoltage protection
B With integrated overvoltage protection
1 Connection PROFIBUS PA / FOUNDATION Fieldbus: terminals 1 and 2, without integrated overvoltage
protection
2 Connection switch output (Open Collector): terminals 3 and 4, without integrated overvoltage protection
3 Connection switch output (Open Collector): terminals 3 and 4, with integrated overvoltage protection
4 Connection PROFIBUS PA / FOUNDATION Fieldbus: terminals 1 and 2, with integrated overvoltage protection
5 Terminal for cable screen