A device for controlling and regulating fluid flows, comprising: - at least two electrically actuated valve units (50, 52, 54, 56), - a valve base which supports the at least two valve units (50, 52, 54, 56), - a control device for controlling and monitoring the at least two valve units (50, 52, 54, 56), - a first multifunctional sensor unit (90, 92, 94, 96, 130) associated with a first of the at least two electrically actuated valve units (50, 52, 54, 56), and - a second multifunctional sensor unit (90, 92, 94, 96, 130) associated with a second of the at least two electrically actuated valve units (50, 52, 54, 56), wherein the first sensor unit (90, 92, 94, 96, 130) and the second sensor unit (90, 92, 94, 96, 130) each comprise a structure-borne sound sensor (140, 142, 144, 146) for detecting a structure-borne sound signal, and wherein the first sensor unit (90, 92, 94, 96, 130) and the second sensor unit (90, 92, 94, 96, 130) each have at least one further sensor (150, 152, 154, 156) for detecting a further measured variable, wherein the control device is configured to evaluate signals provided by the sensor units (90, 92, 94, 96, 130) on the basis of a correlation with an electrical valve excitation, characterized in that the control device is configured to perform the evaluation on the basis of the signals within limited time windows (256, 258), comprising a first time window, which covers a first edge of an excitation signal, and a second time window, which covers a second edge of the excitation signal, which is opposite to the first edge. - at least two electrically actuated valve units (50, 52, 54, 56), - a valve base which supports the at least two valve units (50, 52, 54, 56), - a control device for controlling and monitoring the at least two valve units (50, 52, 54, 56), - a first multifunctional sensor unit (90, 92, 94, 96, 130) associated with a first of the at least two electrically actuated valve units (50, 52, 54, 56), and - a second multifunctional sensor unit (90, 92, 94, 96, 130) associated with a second of the at least two electrically actuated valve units (50, 52, 54, 56), wherein the first sensor unit (90, 92, 94, 96, 130) and the second sensor unit (90, 92, 94, 96, 130) each comprise a structure-borne sound sensor (140, 142, 144, 146) for detecting a structure-borne sound signal, and wherein the first sensor unit (90, 92, 94, 96, 130) and the second sensor unit (90, 92, 94, 96, 130) each have at least one further sensor (150, 152, 154, 156) for detecting a further measured variable, wherein the control device is configured to evaluate signals provided by the sensor units (90, 92, 94, 96, 130) on the basis of a correlation with an electrical valve excitation, characterized in that the control device is configured to perform the evaluation on the basis of the signals within limited time windows (256, 258), comprising a first time window, which covers a first edge of an excitation signal, and a second time window, which covers a second edge of the excitation signal, which is opposite to the first edge. wherein the first sensor unit (90, 92, 94, 96, 130) and the second sensor unit (90, 92, 94, 96, 130) each comprise a structure-borne sound sensor (140, 142, 144, 146) for detecting a structure-borne sound signal, and wherein the first sensor unit (90, 92, 94, 96, 130) and the second sensor unit (90, 92, 94, 96, 130) each have at least one further sensor (150, 152, 154, 156) for detecting a further measured variable, wherein the control device is configured to evaluate signals provided by the sensor units (90, 92, 94, 96, 130) on the basis of a correlation with an electrical valve excitation, characterized in that the control device is configured to perform the evaluation on the basis of the signals within limited time windows (256, 258), comprising a first time window, which covers a first edge of an excitation signal, and a second time window, which covers a second edge of the excitation signal, which is opposite to the first edge.