200 Smart Password Unlock Link - Siemens S7

For more information on Siemens S7 200 Smart password unlock and linking, refer to the following resources:

If you do not need to preserve the program currently running on the PLC and simply want to reuse the hardware, you can reset the PLC to its factory default state. This completely erases the password along with the protected program. Turn off the power to the S7-200 SMART CPU. siemens s7 200 smart password unlock link

If you have a backup file ( .smartp ) on your local machine but are locked out of editing it due to an forgotten project-level password, the password is encrypted within the file architecture. For more information on Siemens S7 200 Smart