For modern automation tasks involving CAN communication or project management in TIA Portal, engineers typically use:
Open the project in TIA Portal; the block should now be viewable in the editor. 🏗️ Modern Alternatives: CANopen in TIA Portal If your search for "S7 Can Opener" was actually about CANopen communication s7 can opener tia portal top
S7 Can Opener is largely a legacy tool and has significant restrictions when dealing with newer Siemens software: For modern automation tasks involving CAN communication or
: It cannot unlock SFBs (System Function Blocks) or SFCs (System Functions), as these are stored in the PLC's system memory and contain no readable code. s7 can opener tia portal top