Siemens touch screen OS update method - Database & Sql Blog Articles

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After updating the OS on your Siemens MP277 touch screen, your program will be lost. Always make sure to back up your active program before performing any OS update. Follow these steps to update the operating system:

1. Power on the HMI device and establish a hardware communication connection. Set the download path in the control panel. 2. In the WinCC flexible configuration software, go to "Project > Transfer > Communication Settings." This will open the "Communication Settings" dialog. 3. Select the appropriate HMI device type. 4. Configure the connection parameters accordingly. 5. Click "OK" to save and close the dialog. 6. Navigate to "Project > Transfer > Update Operating System" in WinCC flexible. 7. In the "Image Path" section, choose the folder containing the HMI device image file (.img). You can find this file in the "WinCCflexibleImages" folder within the WinCC flexible installation directory or on the corresponding installation CD. 8. Click "Open" to load the image file. The version information of the HMI device image will appear in the output area. 9. Select "Update OS" in WinCC flexible to start the operating system update. Follow the on-screen instructions carefully. A status view will show the progress of the update.

It's important to note that the OS update process may require multiple power cycles. It’s recommended to try it a few times and power up the device immediately after booting. Having someone assist you during the process is also advisable. Make sure not to close your antivirus software or firewall during the update.

Important Precautions: - Always back up your program before starting the update. - Avoid interrupting the update process. - Ensure stable power supply during the entire procedure. - Do not close the antivirus or firewall while the update is running. - If the update fails, you may need to repeat the process or contact technical support for further assistance.

This guide is designed to help you safely update the operating system on your Siemens MP277 HMI device. Following these steps carefully will help ensure a smooth and successful update.