scope:

Purpose and scope

VDI/VDE 2650 Part 2 lists the most important application-specific faults and fault conditions for the field devices stated and their respective priority from the users' point of view. The priorities indicated for each measurement method are meant as relative weightings. Priority 1 means often, Priority 3 means rare.

The technical feasibility of a diagnosis method has not been taken into consideration in the list of faults/fault conditions (Section 2). No statements are made here about the cost-value ratio of a specific diagnosis method.