generally requires clearing the internal memory, as Siemens does not provide a "backdoor" to recover a forgotten password while keeping the existing program.
Always backup your S7-1200 program before you lose the password. A simple "Upload to PG" takes 30 seconds. An unlock takes days. s71200 password unlock top
Unlocking the Siemens S7-1200 Go to product viewer dialog for this item. : A Guide to Lost Password Recovery Forgetting a password on a Siemens S7-1200 PLC generally requires clearing the internal memory, as Siemens
Unlocking a password-protected Siemens SIMATIC S7-1200 PLC typically involves a factory reset generally requires clearing the internal memory