Simatic S7 Can Opener V131 33 Extra Quality Jun 2026

According to its official documentation, S7CanOpener is a utility program specifically designed for the legacy engineering software (used for S7-300 and S7-400 PLC families). Its primary purpose is to interact with a protection feature on Step7 function blocks called "KNOW_HOW_PROTECT" .

Simatic S7 Can Opener is a utility designed to remove or bypass this protection. It allows engineers to access the source code (STL/LAD/FBD) of protected blocks for troubleshooting, modification, or migration to newer control systems. simatic s7 can opener v131 33 extra quality