Hi, 

What it my PLC does not have an SD memory?

Regards, 

David

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Split from Removing password protection.

Hi David,

Knowing the type of PLC will help us volunteers to provide useful feedback. A more detailed description might also be helpful.

Kind regards
Stefan

Hi MastraTec,

as already mentioned, more information are needed.
There are different "workarounds" depending on which specific cpu is used.

For example:
If a S7-1200 whith its internal load memory is password protected, you will need a SMC (configured as an empty transfer card) to reset the CPU to factory settings.
This is also described in S7-1200 manual.

regards

sancruz