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For modern projects, Siemens has released newer versions like V8.4 and LOGO! Soft Comfort V9 . 2. Installation Steps

For USB connection issues with 0BA6 modules, ensure the USB cable drivers are properly installed (these are included in the upgrade installation when “Yes” is selected). Check Windows Device Manager to confirm the Silicon Labs CP210x UART Bridge appears without errors. Siemens Logo Soft Comfort V7 Download