Energy and media data vs. machine condition

A method for assessing a condition of a plant and for taking action based on the judgment comprising the steps of: receiving power and / or media data over a reference period having a predetermined duration for the determination of reference values ​​for each of the power and / or media data; Receiving power and / or media data over a comparable period of predetermined duration, for example, is equal to the duration of the reference period, to determine reference values ​​for each of the power and / or media data; Comparing the comparison values ​​for the energy and / or media data with the corresponding reference values; Introducing predefined action with respect to the system when the respective deviation of the comparison values ​​from the corresponding reference values ​​exceeds a corresponding predefined tolerance value.