diff --git a/CMS_CORE_Library/S7Net/Nc_S7Net.cs b/CMS_CORE_Library/S7Net/Nc_S7Net.cs
index 8deab4a..c7b6069 100644
--- a/CMS_CORE_Library/S7Net/Nc_S7Net.cs
+++ b/CMS_CORE_Library/S7Net/Nc_S7Net.cs
@@ -2272,6 +2272,23 @@ namespace CMS_CORE_Library.S7Net
                 Enabled = (Stato & 2) == 2;
                 HasError = (Stato & 4) == 4;
             }
+            /// <summary>
+            /// Converte un singolo item in un array di byte per scrittura su PLC S7
+            /// </summary>
+            /// <returns></returns>
+            public byte[] convertToByte()
+            {
+                // convero stato dai bit...
+                Stato = 0;
+                Stato += (ushort)(Visible ? 1 : 0);
+                Stato += (ushort)(Enabled ? 2 : 0);
+                Stato += (ushort)(HasError ? 4 : 0);
+                byte[] answ = new byte[8];
+                Buffer.BlockCopy(S7.Net.Types.Int.ToByteArray(Id), 0, answ, 0, 2);
+                Buffer.BlockCopy(S7.Net.Types.Word.ToByteArray(Stato), 0, answ, 2, 2);
+                Buffer.BlockCopy(S7.Net.Types.DInt.ToByteArray(ValueAct), 0, answ, 4, 4);
+                return answ;
+            }
         }
         /// <summary>
         /// Oggetto Parametro da PLC
@@ -2298,6 +2315,21 @@ namespace CMS_CORE_Library.S7Net
                 ValMin = S7.Net.Types.DInt.FromByteArray(rawData.Skip(14).Take(4).ToArray());
                 UnitMeasure = S7.Net.Types.Word.FromByteArray(rawData.Skip(18).Take(2).ToArray());
             }
+            /// <summary>
+            /// Converte un singolo item in un array di byte per scrittura su PLC S7
+            /// </summary>
+            /// <returns></returns>
+            public byte[] convertToByte()
+            {
+                byte[] answ = new byte[20];
+                Buffer.BlockCopy(S7.Net.Types.Int.ToByteArray(Id), 0, answ, 0, 2);
+                Buffer.BlockCopy(S7.Net.Types.DInt.ToByteArray(SetpointHMI), 0, answ, 2, 4);
+                Buffer.BlockCopy(S7.Net.Types.DInt.ToByteArray(SetpointPLC), 0, answ, 6, 4);
+                Buffer.BlockCopy(S7.Net.Types.DInt.ToByteArray(ValMax), 0, answ, 10, 4);
+                Buffer.BlockCopy(S7.Net.Types.DInt.ToByteArray(ValMin), 0, answ, 14, 4);
+                Buffer.BlockCopy(S7.Net.Types.Word.ToByteArray(UnitMeasure), 0, answ, 18, 2);
+                return answ;
+            }
         }
 
         #endregion