Functional Diagram Model. The functional model provides the foundation and framework upon which nerc develops and. The functional element directly creates a corresponding functional block which is a block having functions that are operations.
The model while using the term functional entity is a guideline and cannot prescribe responsibility. This hybrid approach goes a little bit further in that blocks allow you to do other. Idef0 diagrams functional flow block diagrams.
In systems engineering software engineering and computer science a function model or functional model is a structured representation of the functions activities actions processes operations within the modeled system or subject area.
Input and output elements of a block pictured with lines. In systems engineering software engineering and computer science a function model or functional model is a structured representation of the functions activities actions processes operations within the modeled system or subject area. It defines the function of the internal processes in the system with the aid of data flow diagrams dfds. It also explains the relationship among the entities responsible for performing the tasks within each function.
