From the following menu of GX Works3: [Diagnostics]→[Module Diagnostics(CPU Diagnostics)] the event history function can be found.
The event history can display the error information of the CPU module, expansion board, expansion adapter, and network.
Also, the displayed information can be saved as CSV file format.
The displayed information can also be saved in a CSV file format.
For the firmware and software versions of the corresponding CPU modules, refer to the respective manuals.