Connecting
Connecting analog sensors and actuators
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Single ended
3-wire connection
4
1
3
2
5
v
1 = V
aux
1
2 = AI+
3 = AI–/GND
4 = n.c.
5 = FE
Flange = FE
C0…C3
+
–
Connection examples – current/voltage
2-wire (current)
I
4
1
3
2
5
I +
I
2-wire (voltage)
U +
U
4
1
3
2
5
3-wire (current/voltage)
+
U/I +
4
1
3
2
5
4-wire (current/voltage)
+
U/I +
U/I
4
1
3
2
5
4-wire (current/voltage) with external power
supply
+
U/I +
U/I
4
1
3
2
5
NOTE
The 2 wire and 3 wire connection are only possible in the single ended voltage or
current measurement mode.
