https://support.industry.siemens.com/cs/document/109748125/where-do-you-procure-the-current-trial-software-for-simatic-s7-graph-v5-6 MD5 2b286d3025d35c0cd1d19612683b8645 SIMATIC_S7GRAPH_V56.exe SHA256 c2360e348bd70cfce47bbb1df6619e173bd10c4ca44daacbe12d27294ebcdd16 SIMATIC_S7GRAPH_V56.exe