How to compare Siemens touch screen programs online and offline? The main goal is to check if the online and offline programs are identical. The touch screen model in question is 6AV66430CD01-1AX1.
A: Unfortunately, the configuration program of the operation screen cannot directly compare online and offline versions. When transferring the configuration program to the touch screen, if you don’t select “Enable Reply†during the transfer process, the user configuration file (which has an extension like .PDB for Protool or .HMI for WinCC Flexible) isn't sent directly to the device. Instead, only the compiled version (.FWX) is transferred, which makes it impossible to retrieve the original source code.
However, if you enable the “Enable Backhaul†option during the transfer, the program will be sent along with the original user configuration, allowing the program to be retrieved from the touch screen back to the computer. This way, you can view and compare the original program on your system.
Despite this feature, neither Protool nor WinCC Flexible supports an automatic comparison between two programs. Therefore, manual checks are required if you want to ensure that the online and offline versions match exactly.
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