Grounded Thermocouples; Ungrounded Thermocouples; Figure 11: Connection Of Grounded Thermocouple; Figure 12: Connection Of Ungrounded Thermocouple - WAGO 750-469 Manual

WAGO-I/O-SYSTEM 750
750-469 2AI Thermocouple
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

Manual
Version 1.1.0
Connect Devices 43