: Users can set or remove protection without needing to recompile the source code.
The most famous free tool is the . Originally developed for Step7 Classic, newer forks support TIA Portal projects. s7 can opener tia portal top
: Before migrating an S7-300 project to TIA Portal , use S7CanOpener on the original .s7p (project) or .s7l (library) file to remove the protection. : Users can set or remove protection without
The S7 Can Opener is a "must-have" for your digital toolkit if you frequently deal with legacy S7-300 hardware. It’s not a magic wand for modern TIA Portal security, but for getting into old code, it’s the fastest way to "open the can." Need to integrate newer protocols instead? : Before migrating an S7-300 project to TIA
: It removes the "Know_How_Protect" keyword from FB, FC, and DB blocks, allowing users to view and edit the underlying STL or SCL source code. Legacy Support