WAGO-I/O-SYSTEM 750
Connect Devices
43
750-469 2AI Thermocouple
Manual
Version 1.1.0
6.2.1
Grounded Thermocouples
With grounded thermocouples, the common ground (M) can be connected to the
screen (S) using an external bridge so that common mode interferences can be
eliminated:
Figure 11: Connection of Grounded Thermocouple
6.2.2
Ungrounded Thermocouples
With ungrounded thermocouples, the common ground (M) can be connected both
to the TC input and to the screen (S), if required, using an external bridge so that
common mode interferences can be eliminated:
Figure 12: Connection of Ungrounded Thermocouple