- Default port baud rate (device manager-properties) of the COM1-port = 9600. Starting the software with bd=9600 : problem remains
- Setting the COM1 port BD to 4800 (default bd of the controller) : same problem
- ...
Just an addition : I can modify the controller by using your ASPM program, that works perfectly, so I made an order note to by a licence. Why the controller software causes the com port to block will maybe remain a mystery...