Work | S71200 Password Unlock

Understanding how the lock was applied helps in determining if recovery is possible:

S7-1200 PLC shows "Password locked" or you can't access blocks/parameters due to an unknown password. s71200 password unlock work

: Use a Siemens Memory Card as "Program Media" so the logic can be physically moved to a new CPU if the hardware fails. Understanding how the lock was applied helps in

all existing files on the card through Windows Explorer (do not format the card, as it must maintain its Siemens internal formatting). TIA Portal , set the card type to Reset the CPU S7-1200 PLC TIA Portal , set the card type to

If the PLC protection level was set to "Read Access" or "HMI Access" (and not "No Access"), you might still be able to perform a factory reset via the software. TIA Portal: Password Protection!