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WAGO-I/O-SYSTEM 750
Connect Devices 67
750-450 4 AI RTD
Manual
Version 1.2.0
6.2
Connection Examples
6.2.1
4 × 2 Wires
Figure 11: Connection Example 750-450, 4-Channel, 4 x 2 Wires
Table 56: Connection Terminals, Functions and Measuring Circuits, 4-Channel, 2 Wires
Termination Chann
el
Function Description
Measuring
circuit
1
1
+R1
Measuring current output and
measuring voltage input (+)
1
2
+R1L
Not used
9
−R1
Measuring current return line and
measuring voltage input (−)
10
−R1L
Not used
3
2
+R2
Measuring current output and
measuring voltage input (+)
2
4
+R2L
Not used
11
−R2
Measuring current return line and
measuring voltage input (−)
12
−R2L
Not used
5
3
+R3
Measuring current output and
measuring voltage input (+)
3
6
+R3L
Not used
13
−R3
Measuring current return line and
measuring voltage input (−)
14
−R3L
Not used
7
4
+R4
Measuring current output and
measuring voltage input (+)
4
8
+R4L
Not used
15
−R4
Measuring current return line and
measuring voltage input (−)
16
−R4L
Not used