diff --git a/ObjetosSim/TagsSignals/ucAnalogTag.xaml.cs b/ObjetosSim/TagsSignals/ucAnalogTag.xaml.cs
index 3eac3fe..83ed1cb 100644
--- a/ObjetosSim/TagsSignals/ucAnalogTag.xaml.cs
+++ b/ObjetosSim/TagsSignals/ucAnalogTag.xaml.cs
@@ -92,9 +92,17 @@ namespace CtrEditor.ObjetosSim
         [property: Name("Valor")]
         public float value;
 
+        [ObservableProperty]
+        [property: Category("Simulación")]
+        [property: Description("Modo de lectura.")]
+        [property: Name("Modo Lectura")]
+        public bool read_Mode;
+
+
         partial void OnValueChanged(float value)
         {
-            EscribirWordTagScaled(Tag, Value, Min_IN_Scaled, Max_IN_Scaled, Min_OUT_Scaled, Max_OUT_Scaled);
+            if (!Read_Mode)
+                EscribirWordTagScaled(Tag, Value, Min_IN_Scaled, Max_IN_Scaled, Min_OUT_Scaled, Max_OUT_Scaled);
         }
 
         public osAnalogTag()
@@ -106,7 +114,7 @@ namespace CtrEditor.ObjetosSim
             Min_OUT_Scaled = 0;
             min_IN_Scaled = 0;
             max_IN_Scaled = 100;
-
+            Read_Mode = false;
         }
 
         public override void UpdateGeometryStart()
@@ -115,7 +123,9 @@ namespace CtrEditor.ObjetosSim
 
         }
         public override void UpdatePLC(PLCViewModel plc, int elapsedMilliseconds)
-        {
+        {            
+            if (Read_Mode)
+                Value = LeerWordTagScaled(Tag, Min_OUT_Scaled, Max_OUT_Scaled, Min_IN_Scaled, Max_IN_Scaled);
         }
 
         public override void UpdatePLCPrimerCiclo()