WinCC OA V3.20, APM system; license package for operation of an Advanced Playback Manager system. APM permits the playback of the system status of a real-time system in the test and simulation system; included functions: snapshot (point in time), playback (time range), training sequence. The APM system does not include a simulator for processes or controllers. When connecting an external simulator, WinCC OA PowerTags are required. No plant licenses included. For commissioning, support by Consulting is recommended.