Profinet Error (PNIO0003): The Profinet controller '...' has '...' Profinet devices connected. The maximum number of devices is '...'.
The maximum number of Profinet devices projected in the PLANT is exceeded. The allowed number of devices supported by the controller depends on the controller type and is specified in the device description file.
Remedy
Reduce the number of devices under the Profinet Controller node in the PLANT.