Rockwell Automation T7903 ICS Regent+Plus I/O Termination Assembly (ITA) - Manual (Page 10)

I/O Termination Assembly
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Industrial Control Services
The modules which use the Differential Field Loop ITA are listed in
Table 1 of the main document. These modules function in a manner
such that the field devices do not require a common feed or return, as
illustrated below:
The connector idents are shown on the legend on the ITA.