Add reading active registers under Voltages classes

csharp/Lib/Devices/Trumpf/TruConvertAc/Status/Voltages.cs

@@ -5,6 +5,7 @@ public class Voltages
 {
     public InternVoltages Intern => new(_Self);
     public ExternVoltages Extern => new(_Self);
+    public ActiveVoltages Active => new(_Self);
     
     internal Voltages(AcDcRecord self) => _Self = self;
     private readonly AcDcRecord _Self;