Contrary to popular belief, the S7-200 SMART does not store a plaintext password in EEPROM. Instead:
: This also resets the baud rate to 9.6 kbit/s and the network address to 2 , returning the PLC to its "pristine status of supply". 3. Password Protection Levels (Context) siemens s7 200 smart password unlock work
This information is intended strictly for legitimate use (e.g., recovering access to your own PLC or a legally owned machine for which the original project file/password has been lost). Bypassing passwords on equipment you do not own may violate laws and Siemens terms of service. Contrary to popular belief, the S7-200 SMART does