Looks like it still has the operating system. To get the data back to default, see https://support.industry.siemens.com...tion_Lists.pdf
If you want to load the operating system back in it you will need to contact your local siemens dealer or see https://mall.industry.siemens.com/go...PL&language=pl
At siemens site you may browse other documents too.
PLC Training Org.