Before attempting an unlock, it is crucial to understand what you are up against. The S7-1200 has layered security.
To prevent future lockouts, it helps to understand how TIA Portal structures S7-1200 protection. When configuring a CPU under , you encounter four primary access levels: Access Level Read Access? Write Access? Password Required For: Full Access (No Protection) Read Access Modifying code, changing values, downloading HMI Access Only HMI panels can communicate freely No Access (Complete Protection) Doing anything via TIA Portal online S7-1200 Password Unlock
The S7-1200 is now restored to its unprogrammed factory default state, with all passwords removed. You can now assign a new IP address and download your backup project. Before attempting an unlock, it is crucial to
The PLC requires a password for any online connection, diagnostics, or monitoring. When configuring a CPU under , you encounter