SIMATIC S7, F-programming tool, STEP 7 Safety Advanced Combo; V16 / Distributed Safety V5.4, engineering software; Floating license for 1 user; software, documentation and license key for download; Safety Advanced V16: Class A, 2 languages (de, en), executable with TIA Portal V16 STEP 7 Professional V16; Distributed Safety V5.4 SP5: Class A, 3 languages (de,en,fr), executable with STEP 7 V5.5 SP1