Description: Difference between the command variable and the feedback variable; Name: control difference
Description: difference between the reference variable and the feedback variable; Name: control difference variable
Description: internal volume of a compartment, including the volume of nozzles to the first connection (flange, coupling, screwed connection, weld seam) but excluding the volume of internal structures (e. g. baffles, agitators); Name: Filling volume of the equipment