Change the Startup Type to Manual, and Start the Service with the Start button.If so, Right-click on the row and go to Properties.If this is not possible or an error appears, check the Startup Type, is it blank?. ![]() If the Status column is blank, right click on the row and choose "Start".In the row named "Usb PLC", check the Status column.Scroll down to the Service names that start with the letter 'U'. ![]() This Microsoft signed driver package is compatible with all PLC families from EcoStruxure Machine Expert (SoMachine) and EcoStruxure Control Expert (Unity Pro).ĭriver link: SchneiderPLCUSBDriverSuite.exe | Powered by BoxĪ) Check if the 'Usb PLC' service is running: ![]() ![]() This FAQ will go through some troubleshooting steps on this topic specifically if the Usb PLC Windows Service does not run.īefore going through the following steps, please contact Schneider Electric Support to obtain the latest ' PLCUsb Driver X64' Suite. Schneider Electric PLCUsb Driver 圆4 Suite Troubleshooting - When I try to connect my Modicon PLC to my computer via USB connection, the Windows USB driver cannot detect it and the "Usb PLC" service does not start.ĮcoStruxure Machine Expert (SoMachine v4.1+, SoMachine Basic): Modicon M238, M241, M251, M258, LMC058, M221 PLCsĮcoStruxure Control Expert (Unity Pro v12+): Modicon M340, M580 PLCs
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