Regards

Hi

Take a look at here , Hope to be useful:

https://support.industry.siemens.com/tf/ww/en/posts/s5-cpu944-im308c-3x-et200-1x-tp177b/42582/?page=0&pageSize=10

https://support.industry.siemens.com/tf/ww/en/posts/cpu-944-goes-stop-when-i-download-l-and-t-pw/54984/?page=0&pageSize=10