The BN-8032 Profinet COMM board supports standard Profinet IO Device Communication.
The COMM board supports a max input of 1440 bytes, a max output of 1440 bytes;
The number of extended IO modules it supports is 2 or 4.
BOXIO B32 support 2 IO slots
BOXIO B64 support 2 IO slots
The difference with BN-8032 is without support MRP ,without IRT