When troubleshooting, the graphical signal monitoring feature is invaluable. You can monitor up to four signals simultaneously in real-time, making it much easier to spot anomalies than just looking at numeric values.
Open Windows Device Manager and confirm which COM port number is assigned to your USB-to-Serial adapter. abb drivewindow light 294 download free best best
Track drive status, control signals, and actual values in real time. and actual values in real time.