If the software doesn't see your COM port, follow this path: Right-click the and select Device Manager . Look under Ports (COM & LPT) or Other Devices . You should see "SR2 USB01" with a yellow exclamation mark. Right-click it > Update Driver . Choose "Search automatically for updated driver software." Troubleshooting COM Port Issues
The Zelio SR2 USB01 driver is a software component that enables communication between the Zelio SR2 PLC and a Windows 10 system via a USB connection. The driver acts as a bridge, allowing the PLC to transmit and receive data to and from the computer. Without the correct driver, the Zelio SR2 USB01 may not be recognized by the Windows 10 system, making it difficult to program, configure, or monitor the PLC. zelio sr2 usb01 driver windows 10 download 2021
Once installed, your cable will be assigned a (e.g., COM3). Note this number, as you will need to select it in the Zelio Soft 2 communication settings to establish a link with your relay. Driver Installation Issue SR2USB01 | Schneider Electric USA If the software doesn't see your COM port,
Optional : Expand to confirm Zelio SR2 USB01 H2.x shows no warning triangles. Right-click it > Update Driver