Rockwell Automation Publication 1769-UM021G-EN-P - October 2015 229
Use I/O Modules with CompactLogix 5370 L2 Controllers Chapter 8
3. Configure the new Ethernet adapter as necessary and click OK.
4. Right-click the new adapter and choose New Module.
5. Select the desired I/O module and click Create.
The New Module dialog box appears.