diff --git a/CMS_CORE_Library/S7Net/Nc_S7Net.cs b/CMS_CORE_Library/S7Net/Nc_S7Net.cs
index 92e26f0..3619e35 100644
--- a/CMS_CORE_Library/S7Net/Nc_S7Net.cs
+++ b/CMS_CORE_Library/S7Net/Nc_S7Net.cs
@@ -1,5 +1,6 @@
 using CMS_CORE_Library.Models;
 using S7.Net;
+using Siemens.Sinumerik.Operate.Services;
 using System;
 using System.Collections;
 using System.Collections.Generic;
@@ -3054,144 +3055,165 @@ namespace CMS_CORE_Library.S7Net
 
                 var memByteRead = currPLC.ReadBytes(DataType.DataBlock, MemTable, MemIndex, Number);
                 Values = memByteRead.ToList();
-#if false
-                // ciclo eda ggiungo i bytes...
-                foreach (var item in memByteRead)
-                {
-                    Values.Add(item);
-                } 
-#endif
             }
 
             return NO_ERROR;
         }
 
-        public override CmsError MEM_RWWordList(bool bWrite, int Process, MEMORY_TYPE MemType, int MemTable, int MemIndex, int Number, ref List<ushort> Value)
+        public override CmsError MEM_RWWordList(bool bWrite, int Process, MEMORY_TYPE MemType, int MemTable, int MemIndex, int Number, ref List<ushort> Values)
         {
             ////Check if the NC is Connected
             CmsError cmsError = CheckConnection();
             if (cmsError.IsError())
                 return cmsError;
 
-            //Try to get/set information
-            try
+
+            if (MemType != MEMORY_TYPE.Siemens_DB)
             {
-                //Setup variables
-                DataSvc Data = HighPriorityDataSvc();
-                cmsError = ConvertMemToPath(MemType, MemTable, MemIndex, 0, (bWrite) ? Value.Count : Number, 'W', out string itemString);
-
-                if (cmsError.IsError())
-                    return cmsError;
-                Item item = new Item(itemString);
-
-                //Read-Write Data
-                if (bWrite)
-                {
-                    item.Value = Value.ToArray();
-                    Data.Write(item);
-                }
-                else
-                {
-                    Data.Read(item);
-                    if (item.Value.GetType().IsArray)
-                        Value = Array.ConvertAll(((object[])item.Value).Cast<uint>().ToArray(), input => (ushort)input).ToList();
-                    else
-                    {
-                        Value.Clear();
-                        Value.Add(Convert.ToUInt16((uint)item.Value));
-                    }
-                }
+                return INCORRECT_PARAMETERS_ERROR;
             }
-            catch (Exception ex)
+
+
+            cmsError = null;
+
+            if (bWrite)
             {
-                return ManageException(ex);
+                //Prevent some exceptions
+                if (Values.Count == 0)
+                    return NO_ERROR;
+
+                byte[] singleItem = new byte[2];
+                List<Byte> memByteList = new List<byte>();
+
+                foreach(var Item in Values)
+                {
+                    singleItem = S7.Net.Types.Word.ToByteArray(Item);
+                    memByteList.AddRange(singleItem);
+                }
+
+                currPLC.WriteBytes(DataType.DataBlock, MemTable, MemIndex, memByteList.ToArray());
+            }
+            else
+            {
+                // Prevent some exceptions
+                if (Number == 0)
+                    return NO_ERROR;
+
+                Values.Clear();
+
+                byte[] memByteRead = currPLC.ReadBytes(DataType.DataBlock, MemTable, MemIndex, Number);
+                // converto a word!
+                ushort shortVal = 0;
+                for (int i = 0; i < memByteRead.Length / 2; i++)
+                {
+                    shortVal = S7.Net.Types.Word.FromByteArray(memByteRead.Skip(2 * i).Take(2).ToArray());
+                    Values.Add(shortVal);
+                }
             }
 
             return NO_ERROR;
         }
 
-        public override CmsError MEM_RWShortList(bool bWrite, int Process, MEMORY_TYPE MemType, int MemTable, int MemIndex, int Number, ref List<short> Value)
+        public override CmsError MEM_RWShortList(bool bWrite, int Process, MEMORY_TYPE MemType, int MemTable, int MemIndex, int Number, ref List<short> Values)
         {
             //Check if the NC is Connected
             CmsError cmsError = CheckConnection();
             if (cmsError.IsError())
                 return cmsError;
 
-            //Try to get/set information
-            try
+            if (MemType != MEMORY_TYPE.Siemens_DB)
             {
-                //Setup variables
-                DataSvc Data = HighPriorityDataSvc();
-                cmsError = ConvertMemToPath(MemType, MemTable, MemIndex, 0, (bWrite) ? Value.Count : Number, 'W', out string itemString);
-
-                if (cmsError.IsError())
-                    return cmsError;
-                Item item = new Item(itemString);
-
-                //Read-Write Data
-                if (bWrite)
-                {
-                    item.Value = Value.ToArray();
-                    Data.Write(item);
-                }
-                else
-                {
-                    Data.Read(item);
-                    if (item.Value.GetType().IsArray)
-                        Value = Array.ConvertAll(((object[])item.Value).Cast<uint>().ToArray(), input => unchecked((short)input)).ToList();
-                    else
-                    {
-                        Value.Clear();
-                        Value.Add(unchecked((short)(uint)item.Value));
-                    }
-                }
+                return INCORRECT_PARAMETERS_ERROR;
             }
-            catch (Exception ex)
+
+
+            cmsError = null;
+
+            if (bWrite)
             {
-                return ManageException(ex);
+                //Prevent some exceptions
+                if (Values.Count == 0)
+                    return NO_ERROR;
+
+                byte[] singleItem = new byte[2];
+                List<Byte> memByteList = new List<byte>();
+
+                foreach (var Item in Values)
+                {
+                    singleItem = S7.Net.Types.Int.ToByteArray(Item);
+                    memByteList.AddRange(singleItem);
+                }
+
+                currPLC.WriteBytes(DataType.DataBlock, MemTable, MemIndex, memByteList.ToArray());
+            }
+            else
+            {
+                // Prevent some exceptions
+                if (Number == 0)
+                    return NO_ERROR;
+
+                Values.Clear();
+
+                byte[] memByteRead = currPLC.ReadBytes(DataType.DataBlock, MemTable, MemIndex, Number);
+                // converto a word!
+                short shortVal = 0;
+                for (int i = 0; i < memByteRead.Length / 2; i++)
+                {
+                    shortVal = S7.Net.Types.Int.FromByteArray(memByteRead.Skip(2 * i).Take(2).ToArray());
+                    Values.Add(shortVal);
+                }
             }
 
             return NO_ERROR;
         }
 
-        public override CmsError MEM_RWDWordList(bool bWrite, int Process, MEMORY_TYPE MemType, int MemTable, int MemIndex, int Number, ref List<uint> Value)
+        public override CmsError MEM_RWDWordList(bool bWrite, int Process, MEMORY_TYPE MemType, int MemTable, int MemIndex, int Number, ref List<uint> Values)
         {
             //Check if the NC is Connected
             CmsError cmsError = CheckConnection();
             if (cmsError.IsError())
                 return cmsError;
 
-            //Try to get/set information
-            try
+            if (MemType != MEMORY_TYPE.Siemens_DB)
             {
-                //Setup variables
-                DataSvc Data = HighPriorityDataSvc();
-                cmsError = ConvertMemToPath(MemType, MemTable, MemIndex, 0, (bWrite) ? Value.Count : Number, 'D', out string itemString);
-
-                if (cmsError.IsError())
-                    return cmsError;
-                Item item = new Item(itemString);
-                //Read-Write Data
-                if (bWrite)
-                {
-                    item.Value = Value.ToArray();
-                    Data.Write(item);
-                }
-                else
-                {
-                    Data.Read(item);
-                    if (item.Value.GetType().IsArray)
-                        Value = ((object[])item.Value).Cast<uint>().ToList();
-                    else
-                    {
-                        Value.Clear();
-                        Value.Add((uint)item.Value);
-                    }
-                }
+                return INCORRECT_PARAMETERS_ERROR;
             }
-            catch (Exception ex)
+
+            cmsError = null;
+
+            if (bWrite)
             {
-                return ManageException(ex);
+                //Prevent some exceptions
+                if (Values.Count == 0)
+                    return NO_ERROR;
+
+                byte[] singleItem = new byte[2];
+                List<Byte> memByteList = new List<byte>();
+
+                foreach (var Item in Values)
+                {
+                    singleItem = S7.Net.Types.DWord.ToByteArray(Item);
+                    memByteList.AddRange(singleItem);
+                }
+
+                currPLC.WriteBytes(DataType.DataBlock, MemTable, MemIndex, memByteList.ToArray());
+            }
+            else
+            {
+                // Prevent some exceptions
+                if (Number == 0)
+                    return NO_ERROR;
+
+                Values.Clear();
+
+                byte[] memByteRead = currPLC.ReadBytes(DataType.DataBlock, MemTable, MemIndex, Number);
+                // converto a word!
+                uint shortVal = 0;
+                for (int i = 0; i < memByteRead.Length / 2; i++)
+                {
+                    shortVal = S7.Net.Types.DWord.FromByteArray(memByteRead.Skip(2 * i).Take(2).ToArray());
+                    Values.Add(shortVal);
+                }
             }
 
             return NO_ERROR;