The PLC is now in its factory state (or "unlocked") and ready for a new project download. 2. Factory Reset via TIA Portal (Requires Online Access)
Understanding how to regain access to your hardware—and how to prevent future lockouts—is crucial. This comprehensive guide details the technical realities, step-by-step recovery methods, and robust security practices for managing S7-1200 passwords. The Reality of S7-1200 Password Recovery S7-1200 Password Unlock
Store all PLC passwords, network configurations, and safety keys in an enterprise-grade, encrypted password vault (e.g., KeePass, Bitwarden, or 1Password) restricted to authorized automation engineers. The PLC is now in its factory state