If you are reading this, you are likely facing a common industrial automation headache: You have a classic Schneider Electric smart relay, you are holding the SR2 USB01 programming cable, but your modern Windows 10 PC refuses to recognize the device. You see a yellow exclamation mark in Device Manager, or the Zelio Soft 2 software keeps saying "No connection."
: Do not plug the SR2 USB01 cable into your PC until the driver installation prompts you or until the setup is complete.
If you followed these steps and are still experiencing issues, let me know: