joza921

it is solved yestrday, it was problem from plc side. Must be defined start address 0, not 32768. 

Anyway, thanks for the help

Hello , 

I have problem with reading registars on modbus tcp. 

Problem is :

I use beckhoff plc and start address is 32768 and when i want to read one registar i receive error ( P-ModbusTCP 0002: Illegal Data Address: citanje Line 5 - Uncaught error in sequence)

what I noticed in command/Alert program didnt accept start address.

Here is code and command/Alert:

Anyone has same problem??