Rockwell Automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual - Manual (Page 131)

Publication 1794-UM064B-EN-P - May 2014
Device Data Base (GSD) File 119
10. If there are remaining slots with modules, add those modules in Full
format. If there are no other modules, add the empty slots in Full format as
well.
For example, if 1794-OV16P is in slot 1 and the remaining slots are empty,
fill the other empty slots in Full format as shown in the following picture.
11. After adding and configuring the modules, download the configuration
and go online. The Adapter Status LED and Profibus Status LED should
be solid Green indicating that the adapter recognizes the 1794-OV16P
module and works with it properly.