I don't know if it's a sending or a receiving problem, the V430 just say me that the communication fail and my motor doesn't move. So I think that it's more the sending.
The V430 is just connected to the motor, to nothing else.
I don't know the serial buffer monitor in the Info Mode, I use VisiLogic since a few time. But i use the USB port to progam the V430 and the Port 1 in RS232 to talk with the motor and i know that the Port 1 doesn't work if the USB port is connected. Can I still see the serial buffer monitor in this case ?
Thanks again Joe,
hope we'll find the problem.