Grounded Thermocouples; Ungrounded Thermocouples; Figure 11: Connection Of Grounded Thermocouple; Figure 12: Connection Of Ungrounded Thermocouple - WAGO 750-469/040-000 Manual

WAGO-I/O-SYSTEM 750 XTR
750-469/040-000 2AI Thermocouple configurable /XTR
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

Connect Devices 49
Manual
Version 1.3.0