diff --git a/CMS_CORE_Library/S7Net/Nc_S7Net.cs b/CMS_CORE_Library/S7Net/Nc_S7Net.cs
index 1f1855c..d167384 100644
--- a/CMS_CORE_Library/S7Net/Nc_S7Net.cs
+++ b/CMS_CORE_Library/S7Net/Nc_S7Net.cs
@@ -3831,68 +3831,52 @@ namespace CMS_CORE_Library.S7Net
         protected CmsError refreshChIOVisib()
         {
             CmsError libraryError = NO_ERROR;
-#if false
-            List<byte> currMem = new List<byte>();
-            int packSize = 20;
+            Byte[] byteArray = null;
+            List<ushort> readValuesDI = new List<ushort>();
+            List<ushort> readValuesDO = new List<ushort>();
+            List<ushort> readValuesAI = new List<ushort>();
+            List<ushort> readValuesAO = new List<ushort>();
 
-            // leggo da PLC a array di byte di appoggio...
-            libraryError = MEM_RWByteList(R, 0, PARAMETER_DATA.MemType, PARAMETER_DATA.Address, PARAMETER_DATA.SubAddress, 0, PARAMETER_DATA.Size, ref currMem);
+            // leggo da PLC a array di byte di appoggio x visibilità DI...
+            libraryError = MEM_RWWordList(R, 0, IO_DI_VISIB.MemType, IO_DI_VISIB.Address, IO_DI_VISIB.SubAddress, IO_DI_VISIB.Size, ref readValuesDI);
+            if (libraryError.IsError())
+                return libraryError;
+            // leggo da PLC a array di byte di appoggio x visibilità DO...
+            libraryError = MEM_RWWordList(R, 0, IO_DO_VISIB.MemType, IO_DO_VISIB.Address, IO_DO_VISIB.SubAddress, IO_DO_VISIB.Size, ref readValuesDO);
+            if (libraryError.IsError())
+                return libraryError;
+            // leggo da PLC a array di byte di appoggio x visibilità AI...
+            libraryError = MEM_RWWordList(R, 0, IO_AI_VISIB.MemType, IO_AI_VISIB.Address, IO_AI_VISIB.SubAddress, IO_AI_VISIB.Size, ref readValuesAI);
+            if (libraryError.IsError())
+                return libraryError;
+            // leggo da PLC a array di byte di appoggio x visibilità AO...
+            libraryError = MEM_RWWordList(R, 0, IO_AO_VISIB.MemType, IO_AO_VISIB.Address, IO_AO_VISIB.SubAddress, IO_AO_VISIB.Size, ref readValuesAO);
             if (libraryError.IsError())
                 return libraryError;
 
-
-
-            // controllo SE ho dati...
-            if (currMem.Count > 0)
-            {
-                // converto a blocchi di 8 byte...
-                byte[] memArray = currMem.ToArray();
-
-                for (int i = 0; i < PARAMETER_DATA.Size / packSize; i++)
-                {
-                    PlcParam currParam = new PlcParam(memArray.Skip(i * packSize).Take(packSize).ToArray());
-                    // solo se ID > 0...
-                    if (currParam.Id > 0)
-                    {
-                        // update oggetto thermoParamList...
-                        if (ThermoParamList.ContainsKey(currParam.Id))
-                        {
-                            try
-                            {
-                                ThermoParamList[currParam.Id].SetpointHMI = currParam.SetpointHMI;
-                                ThermoParamList[currParam.Id].SetpointPLC = currParam.SetpointPLC;
-                                ThermoParamList[currParam.Id].ValMax = currParam.ValMax;
-                                ThermoParamList[currParam.Id].ValMin = currParam.ValMin;
-                                ThermoParamList[currParam.Id].UnitMeasure = currParam.UnitMeasure;
-                            }
-                            catch
-                            { }
-                        }
-                        else
-                        {
-                            try
-                            {
-                                ThermoParamList.Add(currParam.Id, new ThermoModels.RecipeParam() { Id = currParam.Id, SetpointHMI = currParam.SetpointHMI, SetpointPLC = currParam.SetpointPLC, ValMax = currParam.ValMax, ValMin = currParam.ValMin, UnitMeasure = currParam.UnitMeasure });
-                            }
-                            catch
-                            { }
-                        }
-                    }
-                    else
-                    {
-                        libraryError = S7_PLC_WRONG_DATA;
-                    }
-                }
-            }
-            else
-            {
-                libraryError = S7_PLC_EMPTY_READ;
-            } 
-#endif
-
+            ThermoIOVis.DI = convShortToDict(readValuesDI);
+            ThermoIOVis.DO = convShortToDict(readValuesDO);
+            ThermoIOVis.AI = convShortToDict(readValuesAI);
+            ThermoIOVis.AO = convShortToDict(readValuesAO);
 
             return libraryError;
         }
+
+        internal static Dictionary<int, bool> convShortToDict(List<ushort> origVal)
+        {
+            Byte[] byteArray = null;
+            // Convert List<int16> into Byte Array
+            byteArray = origVal.SelectMany(j => BitConverter.GetBytes(j)).ToArray();
+            // converto a bit
+            BitArray bitArr = new BitArray(byteArray);
+            Dictionary<int, bool> answ = new Dictionary<int, bool>();
+            for (int i = 0; i < bitArr.Count; i++)
+            {
+                answ.Add(i, bitArr[i]);
+            }
+            return answ;
+        }
+
         /// <summary>
         /// Refresh recipe parameters
         /// </summary>
diff --git a/CMS_CORE_Library/Utils/Nc_Utils.cs b/CMS_CORE_Library/Utils/Nc_Utils.cs
index 3515087..c12d8ff 100644
--- a/CMS_CORE_Library/Utils/Nc_Utils.cs
+++ b/CMS_CORE_Library/Utils/Nc_Utils.cs
@@ -203,7 +203,7 @@ namespace CMS_CORE_Library.Utils
                 .Cast<bool>()
                 .ToArray();
         }
-        
+
         // Convert a byte into an array of bools
         public static bool[] ByteToBits(byte val)
         {