S7 Can Opener is a third-party tool and is not an official Siemens product. Its developers specify that it should only be used by the of the software blocks for maintenance and recovery purposes. It is not intended for the reverse engineering of copyrighted software or for use where functional warranties are at risk. S7 Can Opener - Runmode.com
High; simple interface for selecting folders and clicking "Unprotect". Simatic S7 Can Opener V1.31 33
Attempts to retrieve the password set by the original programmer. S7 Can Opener is a third-party tool and
It removes the "KNOW_HOW_PROTECT" keyword from compiled blocks, allowing users to view the underlying code. S7 Can Opener - Runmode
| | S7 Can Opener (Runmode) | Helium S7 Tool | Manual STL Source Editing | Commercial Unlock Services | |---|---|---|---|---| | Installation | Portable (no install) | Portable (no install) | Requires Step7 environment | Varies | | Cost | Commercial | Free/Donation | Free (time cost) | Expensive | | Ease of Use | Very easy (GUI) | Easy (GUI) | Complex (STL knowledge required) | Simple (send blocks) | | Batch Processing | Yes (multi-select) | Yes | No | Yes | | Supported Objects | OB, FC, FB, DB, UDT | Similar | All | All | | Legal Risk | Lower (licensed user) | Higher (gray market) | Low (if you own the code) | Varies | | Availability | Commercial purchase | Online archives | Always available | Always available |