Description: input variable of a comparison element of a control device which is derived from the target variable and defines the desired value of the controlled variable; Name: reference variable
Description: input variable to a comparing element in a controlling system, which sets the desired value of the controlled variable and is deducted from the command variable; Name: reference variable
Description: information about the manner in which clamps respectively the carrier of the supply voltage and / or signal voltage are put into effect data-, line- and / or fixationwise; Name: type of connection system