Simatic S7 Distributed: Safety V5.6 Download !!link!!
: Supports fail-safe communication between controllers and distributed I/O (like ET 200S or ET 200MP) over PROFIBUS or PROFINET. Coexistence
If you are stuck without a license, reach out to your local Siemens distributor—trial versions are often available for educational purposes. Simatic S7 Distributed Safety V5.6 Download