Hello,

I try to make a communication MODBUS RTU between a variator ATV312 and a XT7A.
I chose the protocol MODBUS Master's degree.
But I have an error of communication. (Controler 1 : 1 comm Error Station 1)

I am cabled in RS485 on her(it) com2 thread 1 and 6.

Help me svp.

Thanks.