Insert the card into your PC and use TIA Portal to create an "empty transfer card". Power Down: Turn off the power supply to the S7-1200 CPU.
The PLC is now at factory defaults with no password protection, allowing you to download a new project. 2. TIA Portal Factory Reset (Online Method) s71200 password unlock work
If you do not have the original password and simply need to use the PLC for a new task, you must perform a factory reset. This is the only official way to bypass a lost password, but it the existing user program and hardware configuration. Insert the card into your PC and use