. It allows users to view and edit source code when the original developer is no longer available or the source files have been lost. www.runmode.com Core Capabilities Target Protection : Specifically removes the KNOW_HOW_PROTECT keyword from S7 blocks. File Compatibility
It can remove protection from various block types, including Function Blocks (FBs), Functions (FCs), Organization Blocks (OBs), and Data Blocks (DBs). Simatic S7 Can Opener V1.31 33
: 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. File Compatibility It can remove protection from various
The software operates on project files ( .s7p) and libraries ( .s7l) stored on a hard disk; it cannot operate online directly on a live PLC memory. keyword
keyword. This protection prevents unauthorized users from viewing or modifying the original source code. The S7 Can Opener is designed to bypass or remove this protection, allowing engineers to: Recover Lost Work:
, as these are built-in system functions stored in the PLC's firmware rather than the user project. Ethical Consideration:
: It cannot remove passwords set at the hardware configuration level in the CPU or operate on live PLC memory.