S7-200 Smart Password Unlock -

Extreme cases involve desoldering the EEPROM chip from the PLC motherboard, placing it in a chip programmer, reading the raw hex dump, and using software to extract the password byte array. Critical Risks of Using Third-Party Unlock Software

This level restricts all access. You cannot upload the program from the PLC to a PC, copy the program blocks, or view the logic. The CPU acts as a black box executing its runtime code. s7-200 smart password unlock