Alternatively, the driver is included with . If you haven't already, downloading the latest software from the Schneider Electric Zelio Soft page often resolves compatibility issues automatically. Verify Hardware Version :
Historically, older iterations of this cable relied on older serial chipsets. When Windows 10 introduced strict, mandatory driver-signing policies and modified its internal USB polling architecture, these older drivers ceased functioning.
You may need to roll back to an older, compatible driver version (such as Prolific version 3.2.0.0 or 3.3.2.102). zelio sr2 usb01 driver windows 10 download 2021
Ensure you have Zelio Soft 2 V4.5 or higher installed before attempting to install the standalone driver. You can download the latest version of Zelio Soft 2 directly from the manufacturer.
If the driver does not automatically install, follow these steps: Connect the cable to your PC and the Zelio relay. Device Manager (right-click the Start button and select it). Look for "Other Devices" and find USB to Serial Bridge (or "Zelio Serial Port"). Right-click the device and select Update Driver Browse my computer for driver software Alternatively, the driver is included with
Right-click the device and select -> Browse my computer for drivers .
Locate the unknown device (often under "Other Devices" or "Ports"). You can download the latest version of Zelio
Right-click the extracted installation executable and select Run as Administrator .
The cable is a critical interface for programming Zelio Smart Relays . However, many users face challenges getting this legacy device to work on modern operating systems like Windows 10 and Windows 11. As of 2021 and beyond, finding the correct driver—and installing it properly—requires navigating specific steps, often because the driver is not digitally signed for the newest Windows versions.
The official drivers are hosted on the Schneider Electric Download Center .