You will receive further specific information in the Industry Online Support in the "Product 
Support" area in the technical data of the CPU:
Checking communication resources
Use the CFC editor to see the number of communication resources in the CPU. Use the 
"Options > Chart > Chart Reference Data" command to open the editor in which the "Statistics" 
can be viewed.
Configuration of the hardware (AS and I/O)
6.1 General CPU settings (H system and standard AS)
Compendium Part A - Configuration Guidelines (V8.2)
92 Configuration Manual, 08/2016, A5E38166869-AA