S7-1200 Password Unlock Jun 2026

These methods are not supported by Siemens and should be used with caution, only on hardware you own.

[TIA Portal Project] └── [Program Blocks] ├── Main [OB1] (Accessible) ├── Motor_Control [FB1] (Know-How Protected <--) └── Safety_Logic [FC1] (Accessible) The TIA Portal Project File S7-1200 Password Unlock

There are generally three approaches to regaining access to a locked S7-1200, ranging from standard procedures to advanced hardware interventions. These methods are not supported by Siemens and