Zelio Soft 2 v5.4.0 requires a (green or yellow Schneider key) for full functionality. If you don’t have one, the software will run in Demo Mode , which allows simulation but not real-time transfer to the PLC. The installer will attempt to install the dongle driver automatically.
After the progress bar finishes, check the “Reboot now” box. – the driver for the serial communication port initializes only upon restart. zelio soft 2 v5.4.0 download