APM303 modbus communication with wiser fro knx

[mellotron]

Modbus is connected via RS485. For communication to work you need to create a profile. Register addresses and formats can be found in the device documentation. See profile examples here: https://forum.logicmachine.net/showthread.php?tid=839

thanks for ur answer, in my device documentation i have a file call modbus function, now what i want is to know how to get data from specific fonction. i join this  document to this thread
your sincerly