: Supports connection to S7-1500 (V2.9+) and S7-1200 (V4.5+) controllers, though specific security updates (e.g., Update 4) are necessary for "Secure Communication" protocols. Historical Data
Because compatibility changes when Microsoft releases new security patches or Siemens releases WinCC Updates (Upd1, Upd2, etc.), you must use the official Siemens tools for the final word. wincc 7.5 sp2 compatibility list