Rockwell Automation T7903 ICS Regent+Plus I/O Termination Assembly (ITA) - Manual (Page 42)

I/O Termination Assembly
4 2
Industrial Control Services
This ITA is used with the T7420 modules when in Differential Current
Mode. The modules function in a manner such that the field devices
require a 250 ohm resistor across its path, as illustrated below:
The connector idents are shown on the legend on the ITA.