It cannot unlock system functions (SFCs) or system function blocks (SFBs), as these are stored in the PLC's internal system memory.
: For blocks written in SCL , CFC , GRAPH7 , or HiGraph , unlocking will only reveal the compiled STL code ; it cannot regenerate the original high-level source file. Simatic S7 Can Opener V1.31 33
The tool is primarily leveraged in three operational scenarios: It cannot unlock system functions (SFCs) or system