This part of the standard defines activity models of manufacturing operations management that enable enterprise system to control system integration. The activities defined in this part of the standard are consistent with the Part 1 object models definitions. The modelled activities operate between business planning and logistics functions, defined as the Part 1 Level 4 functions, and the process control functions, defined as the Part 1 Level 2 functions. The scope of Part 3 is limited to:
. A model of the activities associated with manufacturing operations management, Level 3 functions.
. An identification of some of the data exchanged between Level 3 activities.