diff --git a/IOB-WIN/IobFanuc.cs b/IOB-WIN/IobFanuc.cs
index 36b40699..03d30f0f 100644
--- a/IOB-WIN/IobFanuc.cs
+++ b/IOB-WIN/IobFanuc.cs
@@ -513,13 +513,12 @@ namespace IOB_WIN
       }
     }
     /// <summary>
-    /// lettura principale (bit semafori)
+    /// Effettua lettura semafori principale
+    /// <paramref name="currDispData">Parametri da aggiornare x display in form</paramref>
     /// </summary>
-    public override void readSemafori()
+    public override void readSemafori(ref newDisplayData currDispData)
     {
-      base.readSemafori();
-      // init obj display
-      newDisplayData currDispData = new newDisplayData();
+      base.readSemafori(ref currDispData);
       try
       {
         if (verboseLog)
@@ -587,7 +586,7 @@ namespace IOB_WIN
         stopwatch.Stop();
         // salvo il solo BYTE dell'input decifrando il semaforo... 
         decodeToBitmap();
-        reportRawInput();
+        reportRawInput(ref currDispData);
       }
       catch (Exception exc)
       {
@@ -595,7 +594,6 @@ namespace IOB_WIN
         connectionOk = false;
         currDispData.semIn = Semaforo.SR;
       }
-      parentForm.updateFormDisplay(currDispData);
     }
 #if false
     /// <summary>
diff --git a/IOB-WIN/IobGeneric.cs b/IOB-WIN/IobGeneric.cs
index c72e81ac..1d0d8948 100644
--- a/IOB-WIN/IobGeneric.cs
+++ b/IOB-WIN/IobGeneric.cs
@@ -335,13 +335,17 @@ namespace IOB_WIN
       }
     }
     /// <summary>
-    /// Riporta alla parentForm i valori di RawInput rilevati
+    /// Aggiunge ai dati da inviare alla parentform i valori di RawInput rilevati
     /// </summary>
-    public virtual void reportRawInput()
+    public virtual void reportRawInput(ref newDisplayData currDispData)
     {
+      // processo eventualmente aggiungendo ad elementi esistenti...
+      if (currDispData == null)
+      {
+        currDispData = new newDisplayData();
+      }
       try
       {
-        newDisplayData currDispData = new newDisplayData();
         StringBuilder sb = new StringBuilder();
         sb.Append($"B_input -->  {(short)B_input}{Environment.NewLine}");
         sb.Append($"{baseUtils.binaryForm(B_input)}{Environment.NewLine}");
@@ -355,7 +359,6 @@ namespace IOB_WIN
         }
         sb.Append("-------------------------------");
         currDispData.currBitmap = sb.ToString();
-        parentForm.updateFormDisplay(currDispData);
       }
       catch
       { }
@@ -1173,7 +1176,7 @@ namespace IOB_WIN
       raiseRefresh(currDispData);
     }
 
-    private void raiseRefresh(newDisplayData currDispData)
+    protected void raiseRefresh(newDisplayData currDispData)
     {
       if (currDispData.hasData)
       {
@@ -2720,7 +2723,7 @@ namespace IOB_WIN
         }
         if (connectionOk)
         {
-          readSemafori();
+          readSemafori(ref currDispData);
         }
         else
         {
@@ -2854,8 +2857,9 @@ namespace IOB_WIN
     }
     /// <summary>
     /// Effettua lettura semafori principale
+    /// <paramref name="currDispData">Parametri da aggiornare x display in form</paramref>
     /// </summary>
-    public virtual void readSemafori()
+    public virtual void readSemafori(ref newDisplayData currDispData)
     {
     }
 
diff --git a/IOB-WIN/IobKawasaki.cs b/IOB-WIN/IobKawasaki.cs
index 95957eaf..7454921a 100644
--- a/IOB-WIN/IobKawasaki.cs
+++ b/IOB-WIN/IobKawasaki.cs
@@ -794,13 +794,12 @@ namespace IOB_WIN
     {
     }
     /// <summary>
-    /// lettura bit semafori
+    /// Effettua lettura semafori principale
+    /// <paramref name="currDispData">Parametri da aggiornare x display in form</paramref>
     /// </summary>
-    public override void readSemafori()
+    public override void readSemafori(ref newDisplayData currDispData)
     {
-      base.readSemafori();
-      // init obj display
-      newDisplayData currDispData = new newDisplayData();
+      base.readSemafori(ref currDispData);
       try
       {
         if (verboseLog)
@@ -817,12 +816,12 @@ namespace IOB_WIN
         // decodifica e gestione
         decodeToBaseBitmap();
         decodeOtherData();
+        reportRawInput(ref currDispData);
       }
       catch
       {
         currDispData.semIn = Semaforo.SR;
       }
-      parentForm.updateFormDisplay(currDispData);
     }
 
     /// <summary>
diff --git a/IOB-WIN/IobOSAI.cs b/IOB-WIN/IobOSAI.cs
index e5a273f0..db52fd87 100644
--- a/IOB-WIN/IobOSAI.cs
+++ b/IOB-WIN/IobOSAI.cs
@@ -277,13 +277,12 @@ namespace IOB_WIN
       }
     }
     /// <summary>
-    /// lettura principale (bit semafori)
+    /// Effettua lettura semafori principale
+    /// <paramref name="currDispData">Parametri da aggiornare x display in form</paramref>
     /// </summary>
-    public override void readSemafori()
+    public override void readSemafori(ref newDisplayData currDispData)
     {
-      base.readSemafori();
-      // init obj display
-      newDisplayData currDispData = new newDisplayData();
+      base.readSemafori(ref currDispData);
       try
       {
         if (verboseLog)
@@ -312,7 +311,6 @@ namespace IOB_WIN
         connectionOk = false;
         currDispData.semIn = Semaforo.SR;
       }
-      parentForm.updateFormDisplay(currDispData);
     }
     /// <summary>
     /// Effettua decodifica aree memoria alla bitmap usata x MAPO
diff --git a/IOB-WIN/IobOmron.cs b/IOB-WIN/IobOmron.cs
index 338a223a..e4e7749a 100644
--- a/IOB-WIN/IobOmron.cs
+++ b/IOB-WIN/IobOmron.cs
@@ -640,13 +640,12 @@ namespace IOB_WIN
     }
 
     /// <summary>
-    /// lettura bit semafori
+    /// Effettua lettura semafori principale
+    /// <paramref name="currDispData">Parametri da aggiornare x display in form</paramref>
     /// </summary>
-    public override void readSemafori()
+    public override void readSemafori(ref newDisplayData currDispData)
     {
-      base.readSemafori();
-      // init obj display
-      newDisplayData currDispData = new newDisplayData();
+      base.readSemafori(ref currDispData);
       try
       {
         if (verboseLog)
@@ -666,12 +665,12 @@ namespace IOB_WIN
         lastCountCNC = pesoRilevato;
         // decodifica e gestione
         decodeToBaseBitmap();
+        reportRawInput(ref currDispData);
       }
       catch
       {
         currDispData.semIn = Semaforo.SR;
       }
-      parentForm.updateFormDisplay(currDispData);
     }
 
     /// <summary>
diff --git a/IOB-WIN/IobSiemens.cs b/IOB-WIN/IobSiemens.cs
index bad1c7e3..02ab3a6a 100644
--- a/IOB-WIN/IobSiemens.cs
+++ b/IOB-WIN/IobSiemens.cs
@@ -737,13 +737,12 @@ namespace IOB_WIN
       }
     }
     /// <summary>
-    /// lettura bit semafori
+    /// Effettua lettura semafori principale
+    /// <paramref name="currDispData">Parametri da aggiornare x display in form</paramref>
     /// </summary>
-    public override void readSemafori()
+    public override void readSemafori(ref newDisplayData currDispData)
     {
-      base.readSemafori();
-      // init obj display
-      newDisplayData currDispData = new newDisplayData();
+      base.readSemafori(ref currDispData);
       try
       {
         currDispData.semIn = Semaforo.SV;
@@ -764,13 +763,12 @@ namespace IOB_WIN
         decodeToBaseBitmap();
         decodeOtherData();
         // riporto bitmap...
-        reportRawInput();
+        reportRawInput(ref currDispData);
       }
       catch
       {
         currDispData.semIn = Semaforo.SR;
       }
-      parentForm.updateFormDisplay(currDispData);
     }
     /// <summary>
     /// decodifica da bitmap il CURRENT MODE del controllo
diff --git a/IOB-WIN/IobSimula.cs b/IOB-WIN/IobSimula.cs
index 3fb2a3cd..a0659aed 100644
--- a/IOB-WIN/IobSimula.cs
+++ b/IOB-WIN/IobSimula.cs
@@ -1,4 +1,5 @@
-using System;
+using IOB_UT;
+using System;
 using System.Collections.Generic;
 
 namespace IOB_WIN
@@ -331,15 +332,16 @@ namespace IOB_WIN
     {
     }
     /// <summary>
-    /// lettura bit semafori
+    /// Effettua lettura semafori principale
+    /// <paramref name="currDispData">Parametri da aggiornare x display in form</paramref>
     /// </summary>
-    public override void readSemafori()
+    public override void readSemafori(ref newDisplayData currDispData)
     {
-      base.readSemafori();
+      base.readSemafori(ref currDispData);
       // decodifica e gestione
       decodeToBaseBitmap();
       decodeOtherData();
-      reportRawInput();
+      reportRawInput(ref currDispData);
     }
     /// <summary>
     /// Processo contatori eventi...
diff --git a/IOB-WIN/IobWPS.cs b/IOB-WIN/IobWPS.cs
index ca561250..798d34ad 100644
--- a/IOB-WIN/IobWPS.cs
+++ b/IOB-WIN/IobWPS.cs
@@ -269,10 +269,12 @@ namespace IOB_WIN
     }
 
     /// <summary>
-    /// Effettua lettura dati di status da apposite variabili
+    /// Effettua lettura semafori principale
+    /// <paramref name="currDispData">Parametri da aggiornare x display in form</paramref>
     /// </summary>
-    public override void readSemafori()
+    public override void readSemafori(ref newDisplayData currDispData)
     {
+      base.readSemafori(ref currDispData);
       // init a zero...
       B_input = 0;
       // ciclo!
@@ -299,10 +301,13 @@ namespace IOB_WIN
             B_input = int.Parse(cVal, System.Globalization.NumberStyles.HexNumber);
           }
         }
+        // riporto bitmap...
+        reportRawInput(ref currDispData);
       }
       catch (Exception exc)
       {
         lgError(exc, "Errore in getDynData x IOB WPS");
+        currDispData.semIn = Semaforo.SR;
       }
     }
     /// <summary>