If this is not possible or an error appears, check the Startup Type, is it blank?.If the Status column is blank or Stopped, right click on the row and choose 'Start'.In the row named 'UsbConnect' and description 'Usb PLC', check the Status column.Scroll down to the Service names that start with the letter 'U'.Section B) Check if the 'Usb PLC' service is running: If you see this message it will likely mean that you have a driver that is older than v14.13.0.0 which was a version not signed by Microsoft before 2019 when Microsoft required Digital Signatures for all USB drivers. Skip to section E below to uninstall and reinstall the latest driver.A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. In the General tab, check if the Device Status shows: 'Windows cannot verify the digital signature for the drivers required for this device.M262 will appear under 'Network adapters' as: 'SE RNDIS PSX M262 Controller'.M580 will appear under 'Network adapters' as: 'SE RNDIS PSX M580 Controller'.M340 will appear under 'Modems' as: 'BMX CPU' or 'BMX CPU #x' (where x is an integer).Section A) Check if the Windows cannot verify the digital signature of the PLC: ISO image, this will be located in the 'Communication Drivers' folder, or you may download the latest version (as of Sept 2022) from this link: SchneiderPLCUSBDriverSuite.exe | Powered by Box (Schneider PLC USB Driver Suite v14.15.0.0) In EcoStruxure Control Expert's installation DVD. This Microsoft signed driver package is compatible with all PLC families from EcoStruxure Machine Expert (SoMachine) and EcoStruxure Control Expert (Unity Pro). 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. Windows 7, Windows 8.1, Windows 10, USB Drivers 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

Usb ports not working windows 7 64 bit