Information on S7 Distributed Safety versions
For programming safety related applications with controllers of the new generation S7-1200F, S7-1500F, ET 200SP F-CPU and S7-1500 Software Controller F you need the Engineering Software STEP 7 Safety (TIA Portal).With his software you can also program the failsafe systems S7-300F, S7-400F and SIMATIC WinAC RTX F.
Siemens offers a Combo license for both platforms S7 Distributed Safety as well as STEP 7 Safety (TIA Portal) as an upgrade for the latest version of S7 Distributed Safety. This license allows Engineering in both programming environments. For more information see the chapter Licensing at the bottom of this page.