diff --git a/TBF/BenchControl/ControlBoard/Uni/CBoard.cs b/TBF/BenchControl/ControlBoard/Uni/CBoard.cs
index 0138cd4be..1bc82e0c8 100644
--- a/TBF/BenchControl/ControlBoard/Uni/CBoard.cs
+++ b/TBF/BenchControl/ControlBoard/Uni/CBoard.cs
@@ -72,7 +72,9 @@ namespace TBF.BenchControl.ControlBoard.Uni
 
 
         /// Propagated from configurations of other components
-        UInt128 valvesToInvert;
+        UInt128 benchModelRoute;
+        UInt128 valvesToInvert;			/// Route = valesToInvert ^ RequiredRouteWithoutInvertedVlaves
+        readonly UInt128 routeMask;		/// This mask masks out virtual valves, routeMask is set in the constructor 
 
         /// Serial communication
         SerialPort serialPort;                          /// Seral port or null: Check serialPort.IsOpen before using the serial port
@@ -94,8 +96,6 @@ namespace TBF.BenchControl.ControlBoard.Uni
 
         public UInt64 State { get { return Data.State; } }              /// Control board state
         public UInt64 DigitalInputs { get { return Data.Vstupy; } }     /// Digital inputs
-        public UInt128 Route { get { return Data.Vystupy; } }           /// Test bench route: states of valves
-        
         public Int16 AnalogInput(int channel)
         {
             if (Data.AnalogInput != null && channel >= 0 && channel < Data.AnalogInput.Length)
@@ -104,7 +104,12 @@ namespace TBF.BenchControl.ControlBoard.Uni
             }
             return 0;
         }
-        
+
+        /// <summary>
+        /// Route: 128-bit word representing the current state of all valves and pumps
+        /// </summary>
+        public UInt128 Route { get { return benchModelRoute; } }
+                
         /// Values valid during a test
         public double RefFrequency { get { return Data.ReferenceFreq[0]; } }
 
@@ -174,6 +179,28 @@ namespace TBF.BenchControl.ControlBoard.Uni
             cumulativeSums = new int[BUFFER_SIZE];
             rcvdBytesCount = 0;
 
+            routeMask = 0;
+            for (int i = 0; i < 128; i++)
+            {
+                if (i < cBoardCfg.VirtValvesRangeLo || i > cBoardCfg.VirtValvesRangeHi)
+                {
+                    routeMask = routeMask | ((UInt128)1 << i);
+                }
+            }
+
+            TBF.UiBridge.Bridge.RouteChangeHandler += delegate(object sndr, TBF.UiBridge.RouteChangeArgs args)
+            {
+                UInt128 mask = ((UInt128)1) << args.BitNr;
+                if ((benchModelRoute & mask) == 0)
+                {
+                    benchModelRoute |= mask;
+                }
+                else
+                {
+                    benchModelRoute &= (~mask);
+                }
+            };
+
             log.Warn(this.ToString());
         }
 
@@ -184,6 +211,7 @@ namespace TBF.BenchControl.ControlBoard.Uni
         public void SpecifyInvertedValves(UInt128 valvesToInvert)
         {
             this.valvesToInvert = valvesToInvert;
+            this.benchModelRoute = valvesToInvert;
         }
 
         #region IDevice interface
@@ -365,7 +393,17 @@ namespace TBF.BenchControl.ControlBoard.Uni
         public double TestTimeWM(int wmNr1) { return 0; }
         public int RefPulsesWM(int wmNr1) { return 0; }
         public int PulsesWM(int wmNr1) { return 0; }
-        public UInt128 SetValves(UInt128 valvesToOpen, UInt128 valvesToClose, IList<BuiltIn.ValveEx.Valve> extendedValves) { return 0; }
+        public UInt128 SetValves(UInt128 valvesToOpen, UInt128 valvesToClose, IList<BuiltIn.ValveEx.Valve> extendedValves)
+        {
+            UInt128 oldRoute = benchModelRoute;
+            benchModelRoute = (((benchModelRoute ^ valvesToInvert) | valvesToOpen) & (~valvesToClose)) ^ valvesToInvert;
+            foreach (var extV in extendedValves) extV.UpdateRoute(ref benchModelRoute);
+            log.DebugFormat("SetValves(x,x), new route = {0}", Utils.RouteToStr(benchModelRoute));
+            UInt128 retVal = oldRoute ^ benchModelRoute;
+
+            log.DebugFormat("{0}.SetValves({1}, {2}) returns {3}", Name, valvesToOpen.ToString("X"), valvesToClose.ToString("X"), retVal.ToString("X"));
+            return retVal;
+        }
 
         ///
         /// Operations