78 Rockwell Automation Publication 1794-UM061B-EN-P - March 2020
Chapter 6        Configure Your Adapter and Digital Modules on a ControlNet Network
ACN15:3:C (1794-IB16D module) configuration data
ACN15:2:I (1794-IB16D module) input data
ACN15:4:O (1794-OB16D module) configuration data
ACN15:4:I (1794-OB16D module) input data
ACN15:4:O (1794-OB16D module) output data
Use the controller tags in your ladder program to read input data or write output 
data.
It is also possible to send configurations via CIP™ 
messages.