Assets may be related to FunctionalEntities. A single Asset might be related to zero or more FunctionalEntities. A FunctionalEntity might be related to zero or more Assets. The models for both FunctionalEntities and Assets are independent. Specific References only link them (see Figure 7 for an illustration and 11.1 for details on ReferenceTypes).

Figure 7 – Relationships between FunctionalEntities and Assets

Figure 7 also illustrates an AutomationComponent, which provides a grouping of related FunctionalEntities and Assets.