Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 264)

Publication 1758-UM002D-EN-P - October 2010
264 DataSite DNP3 Configuration Utility (DS DNP3)
9. Repeat steps 1 through 6 to set the parameters for session 2.
For session 2, the station address is 5. The controller will send the AI
change events to the master immediately as class 1 type and save the AI
events into the buffer in case the connection fails. The buffer length is
2000 and scan time is 1000 ms. It is not necessary to detect DI events.