Now the Wincc2008B version of the HMI format but read-only touch screen came out of the file is PSD format coming from the touch screen PSD format and then into the touch screen in how to rewrite the program now in touch screen can backup and restore how to pass in the end
Best answer
Only in the touch screen is installed and enabled on the SD card back when the original program download, can upload and edit the HMI file format. Otherwise, you can only upload PSD can not be edited.
PLC ONE 