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20 Device Description
750-458 8AI; TC; Adjust
Manual
Version 1.3.0
Table 7: Legend for the “Push-in CAGE CLAMP
®
Connections” Figure – 8-Channel, 2-Wire
Channe
l
Designation Connection Function
1
+TC1
1
Thermocouple 1: Positive, differential
measurement voltage input (+)
−TC1
9
Thermocouple 1: Negative, differential
measurement voltage input (−)
2
+TC2
2
Thermocouple 2: Positive, differential
measurement voltage input (+)
−TC2
10
Thermocouple 2: Negative, differential
measurement voltage input (−)
3
+TC3
3
Thermocouple 3: Positive, differential
measurement voltage input (+)
−TC3
11
Thermocouple 3: Negative, differential
measurement voltage input (−)
4
+TC4
4
Thermocouple 4: Positive, differential
measurement voltage input (+)
−TC4
12
Thermocouple 4: Negative, differential
measurement voltage input (−)
5
+TC5
5
Thermocouple 5: Positive, differential
measurement voltage input (+)
−TC5
13
Thermocouple 5: Negative, differential
measurement voltage input (−)
6
+TC6
6
Thermocouple 6: Positive, differential
measurement voltage input (+)
−TC6
14
Thermocouple 6: Negative, differential
measurement voltage input (−)
7
+TC7
7
Thermocouple 7: Positive, differential
measurement voltage input (+)
−TC7
15
Thermocouple 7: Negative, differential
measurement voltage input (−)
8
+TC8
8
Thermocouple 8: Positive, differential
measurement voltage input (+)
−TC8
16
Thermocouple 8: Negative, differential
measurement voltage input (−)
Use shielded signal lines!
Only use shielded signal lines for analog signals and I/O modules which are
equipped with shield clamps. Only then can you ensure that the accuracy and
interference immunity specified for the respective I/O module can be achieved
even in the presence of interference acting on the signal cable.