Below are the Data Size per Instance/Function Block depending on the application requirement:

For Modbus TCP/IP I/O Scanning:
125 Input words
120 Output words

For EtherNet/IP Local Slave:
254 Input words
252 Output words

For Publish/Subscribe Global Data:
512 Published words
2048 Subscribed words

Explicit Messaging:
125 Input words
123 Output words

Released for:Schneider Electric India