Advantech PCI-1710HG Dokumentacja Pobierz pdf (Strona 54)

against the AIGND.

Fig. 3-4 shows a differential channel connection between a floating

signal source and an input channel on the PCI-1710/1710L/

1710HG/1710HGL/1716/1716L. In this figure, each side of the

floating signal source is connected through a resistor to the AIGND.

This connection can reject the common-mode voltage between the

signal source and the PCI-1710/1710L/1710HG/1710HGL/1716/

1716L ground.

Fig. 3-4 Differential input channel connection - floating

signal source

However, this connection has the disadvantage of loading the source

down with the series combination (sum) of the two resistors. For r

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Advantech PCI-1710HG Dokumentacja Strona 54