diff --git a/IOB-WIN-NEXT/IobGeneric.cs b/IOB-WIN-NEXT/IobGeneric.cs
index d67cc024..737693e3 100644
--- a/IOB-WIN-NEXT/IobGeneric.cs
+++ b/IOB-WIN-NEXT/IobGeneric.cs
@@ -296,10 +296,15 @@ namespace IOB_WIN_NEXT
         public DateTime lastSim;
 
         /// <summary>
-        /// dataOra ultimo segnale inviato...
+        /// dataOra ultimo segnale inviato al SERVER...
         /// </summary>
         public DateTime lastWatchDog;
 
+        /// <summary>
+        /// dataOra ultimo segnale inviato a macchina/PLC...
+        /// </summary>
+        public DateTime lastWatchDogPLC = DateTime.Now;
+
         /// <summary>
         /// Massimo numero di px da inviare in blocco
         /// </summary>
diff --git a/IOB-WIN-NEXT/IobOpcUa.cs b/IOB-WIN-NEXT/IobOpcUa.cs
index 2b99086e..df9dab5e 100644
--- a/IOB-WIN-NEXT/IobOpcUa.cs
+++ b/IOB-WIN-NEXT/IobOpcUa.cs
@@ -303,7 +303,6 @@ namespace IOB_WIN_NEXT
         /// <returns></returns>
         private async Task<short> doConnect()
         {
-            IOutput console = new ConsoleOutput();
             short esitoLink = 0;
             // reset memoria dataItem..
             dataItemMem = new Dictionary<string, OpcUaDataItemExt>();
@@ -326,7 +325,7 @@ namespace IOB_WIN_NEXT
                 await application.CheckApplicationInstanceCertificate(silent: false, minimumKeySize: 0).ConfigureAwait(false);
 
                 lgInfo($"Chiamata UAClient con configurazione standard: {application.ApplicationConfiguration.ApplicationName}");
-                UA_ref = new UAClient(application.ApplicationConfiguration, console, ClientBase.ValidateResponse);
+                UA_ref = new UAClient(application.ApplicationConfiguration, cIobConf.codIOB, ClientBase.ValidateResponse);
 
                 lgInfo($"Chiamata apertura OpcUa Client: {cIobConf.cncIpAddr}:{port}");
                 UA_ref.ServerUrl = $"opc.tcp://{cIobConf.cncIpAddr}:{port}";
@@ -501,33 +500,7 @@ namespace IOB_WIN_NEXT
         private void UA_ref_eh_MonItChange(object sender, opcUaMonitItemChange e)
         {
             checkAndSend(e.CurrMonitoredItem, $"{e.CurrNotify.Value}", false);
-            // se abilitato watchdog...
-            if (opcUaParams.WatchDog.IsEnabled)
-            {
-                // se fosse watchdog --> processo il mio...
-                if (e.CurrMonitoredItem.DisplayName == opcUaParams.WatchDog.MemConfRead)
-                {
-                    try
-                    {
-                        WatchDog++;
-                        WatchDog = WatchDog > opcUaParams.WatchDog.MaxVal ? 0 : WatchDog;
 
-                        WriteValue commWriteVal = new WriteValue();
-                        commWriteVal.NodeId = new NodeId(opcUaParams.WatchDog.MemConfWrite);
-                        commWriteVal.AttributeId = Attributes.Value;
-                        commWriteVal.Value = new DataValue();
-                        commWriteVal.Value.Value = WatchDog;
-
-                        List<WriteValue> nodes2Write = new List<WriteValue>();
-                        nodes2Write.Add(commWriteVal);
-                        UA_ref.WriteNodes(nodes2Write);
-                    }
-                    catch (Exception exc)
-                    {
-                        lgError($"Eccezione in gestione WatchDog, valore attuale {WatchDog}{Environment.NewLine}{exc}");
-                    }
-                }
-            }
             lastCurrent = DateTime.Now;
         }
 
@@ -745,47 +718,6 @@ namespace IOB_WIN_NEXT
             // bit 0 (poweron) imposto a 1 SE pingo + PowerOn=="ON"...
             bool powerOnOk = checkPing && hasPowerOn;
 
-            // lascio attivo sulla abse solo il poweron (da verificare il resto
-#if false
-            // procedo SOLO SE mi da ping OK...
-            if (checkPing)
-            {
-                B_input = powerOnOk ? 1 : 0;
-
-                // variabili RUN...
-                currRun = getDataItemValue(opcUaParams.keyRunMode);
-
-                // salvo running come = working...
-                isRunning = isWorking;
-
-                // se ho emergenza premuta --> emergenza!
-                if (hasEStopArmed)
-                {
-                    B_input += (1 << 7);
-                }
-                // se ho emergenza premuta --> emergenza!
-                if (isWarmUpCoolDown)
-                {
-                    B_input += (1 << 6);
-                }
-                // se ho almeno 1 allarme E NON SONO IN AUTO --> ALARM!
-                if (hasError)
-                {
-                    B_input += (1 << 3);
-                }
-                if (isWorking)
-                {
-                    // RUN = LAVORA!
-                    B_input += (1 << 1);
-                }
-                else if (powerOnOk && (!isReady || isManual))
-                {
-                    // se NON ready --> manual
-                    B_input += (1 << 4);
-                }
-            }
-#endif
-
             // controllo se sono poweroff e se non ho dati buoni da > 2 minuti --> disconnetto
             if (adesso.Subtract(lastCurrent).TotalMinutes > 2)
             {
@@ -801,6 +733,37 @@ namespace IOB_WIN_NEXT
                 vetoCheckStatus = adesso.AddSeconds(vetoSeconds * vFactor);
             }
 
+            // se abilitato watchdog...
+            if (opcUaParams.WatchDog.IsEnabled)
+            {
+                if (adesso.Subtract(lastWatchDogPLC).TotalSeconds > 2)
+                {
+                    lastWatchDogPLC = adesso;
+                    WatchDog++;
+                    WatchDog = WatchDog > opcUaParams.WatchDog.MaxVal ? 0 : WatchDog;
+
+                    lgInfo($"WatchDog val: {WatchDog}");
+                    try
+                    {
+
+                        WriteValue commWriteVal = new WriteValue();
+                        commWriteVal.NodeId = new NodeId(opcUaParams.WatchDog.MemConfWrite);
+                        commWriteVal.AttributeId = Attributes.Value;
+                        commWriteVal.Value = new DataValue();
+                        commWriteVal.Value.Value = WatchDog;
+
+                        List<WriteValue> nodes2Write = new List<WriteValue>();
+                        nodes2Write.Add(commWriteVal);
+                        UA_ref.WriteNodes(nodes2Write);
+                        lgInfo("Effettuata scrittura WatchDog");
+                    }
+                    catch (Exception exc)
+                    {
+                        lgError($"Eccezione in gestione WatchDog, valore attuale {WatchDog}{Environment.NewLine}{exc}");
+                    }
+                }
+            }
+
             // log opzionale!
             if (verboseLog)
             {
diff --git a/IOB-WIN-NEXT/UAClient.cs b/IOB-WIN-NEXT/UAClient.cs
index dc99903e..fb1b58df 100644
--- a/IOB-WIN-NEXT/UAClient.cs
+++ b/IOB-WIN-NEXT/UAClient.cs
@@ -71,25 +71,28 @@ namespace IOB_WIN_NEXT
     {
         #region Private Fields
 
-        private readonly IOutput m_output;
-
+        private readonly string currIob;
         private readonly Action<IList, IList> m_validateResponse;
-
         private ApplicationConfiguration m_configuration;
-
         private Session m_session;
 
         #endregion Private Fields
 
+        #region Protected Fields
+
+        protected static Logger lg;
+
+        #endregion Protected Fields
+
         #region Public Constructors
 
         /// <summary>
         /// Initializes a new instance of the UAClient class.
         /// </summary>
-        public UAClient(ApplicationConfiguration configuration, IOutput output, Action<IList, IList> validateResponse)
+        public UAClient(ApplicationConfiguration configuration, string codIOB, Action<IList, IList> validateResponse)
         {
             m_validateResponse = validateResponse;
-            m_output = output;
+            currIob = codIOB;
             m_configuration = configuration;
             m_configuration.CertificateValidator.CertificateValidation += CertificateValidation;
         }
@@ -138,13 +141,13 @@ namespace IOB_WIN_NEXT
             ServiceResult error = e.Error;
             while (error != null)
             {
-                m_output.WriteLine(error);
+                lgError($"{error.StatusCode} | {error.Code} | {error.LocalizedText}");
                 error = error.InnerResult;
             }
 
             if (certificateAccepted)
             {
-                m_output.WriteLine("Untrusted Certificate accepted. SubjectName = {0}", e.Certificate.SubjectName);
+                lgInfo($"Untrusted Certificate accepted. SubjectName = {e.Certificate.SubjectName}");
             }
 
             e.AcceptAll = certificateAccepted;
@@ -165,16 +168,40 @@ namespace IOB_WIN_NEXT
                 {
                     eh_MonItChange(this, new opcUaMonitItemChange(monitoredItem, notification));
                 }
-                m_output.WriteLine("Notification Received for Variable \"{0}\" and Value = {1}.", monitoredItem.DisplayName, notification.Value);
+                lgInfo($"Notification Received | Variable: {monitoredItem.DisplayName} | Value: {notification.Value}");
             }
             catch (Exception ex)
             {
-                m_output.WriteLine("OnMonitoredItemNotification error: {0}", ex.Message);
+                lgError($"OnMonitoredItemNotification error: {ex.Message}");
             }
         }
 
         #endregion Private Methods
 
+        #region Protected Methods
+
+        /// <summary>
+        /// Effettua logging ERROR corretto impostanto anche la variabile IOB prima di scrivere...
+        /// </summary>
+        /// <param name="message"></param>
+        protected void lgError(string message)
+        {
+            lg.Factory.Configuration.Variables["codIOB"] = currIob;
+            lg.Error(message);
+        }
+
+        /// <summary>
+        /// Effettua logging INFO corretto impostanto anche la variabile IOB prima di scrivere...
+        /// </summary>
+        /// <param name="message"></param>
+        protected void lgInfo(string message)
+        {
+            lg.Factory.Configuration.Variables["codIOB"] = currIob;
+            lg.Info(message);
+        }
+
+        #endregion Protected Methods
+
         #region Public Methods
 
         /// <summary>
@@ -185,7 +212,7 @@ namespace IOB_WIN_NEXT
             bool fatto = false;
             if (m_session == null || m_session.Connected == false)
             {
-                m_output.WriteLine("Session not connected!");
+                lgInfo("Session not connected!");
                 return false;
             }
 
@@ -204,15 +231,15 @@ namespace IOB_WIN_NEXT
                 NodeId nodeToBrowse = new NodeId(startNodeVal, startNodeNS);
 
                 // Call Browse service
-                m_output.WriteLine("Browsing {0} node...", nodeToBrowse);
+                lgInfo($"Browsing {nodeToBrowse} node...");
                 ReferenceDescriptionCollection browseResults = browser.Browse(nodeToBrowse);
 
                 // Display the results
-                m_output.WriteLine("Browse returned {0} results:", browseResults.Count);
+                lgInfo($"Browse returned {browseResults.Count} results:");
 
                 foreach (ReferenceDescription result in browseResults)
                 {
-                    m_output.WriteLine($"     NodeId = {result.NodeId}, DisplayName = {result.DisplayName.Text}, NodeClass = {result.NodeClass}, Others:  {result.BinaryEncodingId} | {result.BrowseName}");
+                    lgInfo($"     NodeId = {result.NodeId}, DisplayName = {result.DisplayName.Text}, NodeClass = {result.NodeClass}, Others:  {result.BinaryEncodingId} | {result.BrowseName}");
                     // se NON fa parte dell'elenco dei VETO di filterItems...
                     if (!vetoBrowse.Contains($"{result.NodeId}"))
                     {
@@ -228,7 +255,7 @@ namespace IOB_WIN_NEXT
             catch (Exception ex)
             {
                 // Log Error
-                m_output.WriteLine($"Browse Error : {ex.Message}.");
+                lgError($"Browse Error : {ex.Message}");
             }
 
             return fatto;
@@ -242,7 +269,7 @@ namespace IOB_WIN_NEXT
             bool fatto = false;
             if (m_session == null || m_session.Connected == false)
             {
-                m_output.WriteLine("Session not connected!");
+                lgInfo("Session not connected!");
                 return false;
             }
 
@@ -261,22 +288,23 @@ namespace IOB_WIN_NEXT
                 NodeId nodeToBrowse = new NodeId(browsePath);
 
                 // Call Browse service
-                m_output.WriteLine("Browsing {0} node...", nodeToBrowse);
+                lgInfo($"Browsing {nodeToBrowse} node...");
                 ReferenceDescriptionCollection browseResults = browser.Browse(nodeToBrowse);
 
                 // Display the results
-                m_output.WriteLine("Browse returned {0} results:", browseResults.Count);
+                lgInfo($"Browse returned {browseResults.Count} results:");
 
                 foreach (ReferenceDescription result in browseResults)
                 {
                     // se veto --> loggo veto
                     if (vetoBrowse.Contains($"{result.NodeId}"))
                     {
-                        m_output.WriteLine($"| FILTERED -->  NodeId = {result.NodeId}, DisplayName = {result.DisplayName.Text}, NodeClass = {result.NodeClass}, Others:  {result.BinaryEncodingId} | {result.BrowseName}");
+                        lgInfo($"| FILTERED -->  NodeId = {result.NodeId}, DisplayName = {result.DisplayName.Text}, NodeClass = {result.NodeClass}, Others:  {result.BinaryEncodingId} | {result.BrowseName}");
                     }
                     // se NON fa parte dell'elenco dei VETO di filterItems...
-                    else { 
-                    m_output.WriteLine($"     NodeId = {result.NodeId}, DisplayName = {result.DisplayName.Text}, NodeClass = {result.NodeClass}, Others:  {result.BinaryEncodingId} | {result.BrowseName}");
+                    else
+                    {
+                        lgInfo($"     NodeId = {result.NodeId}, DisplayName = {result.DisplayName.Text}, NodeClass = {result.NodeClass}, Others:  {result.BinaryEncodingId} | {result.BrowseName}");
                         // se mancasse aggiungo...
                         if (!nodeIdNameList.ContainsKey($"{result.NodeId}"))
                         {
@@ -284,7 +312,7 @@ namespace IOB_WIN_NEXT
                             // se è un nodo object --> faccio sub browse!
                             if (result.NodeClass != NodeClass.Variable)
                             {
-                                this.Browse($"{result.NodeId}",vetoBrowse, ref nodeIdNameList);
+                                this.Browse($"{result.NodeId}", vetoBrowse, ref nodeIdNameList);
                             }
                         }
                     }
@@ -294,7 +322,7 @@ namespace IOB_WIN_NEXT
             catch (Exception ex)
             {
                 // Log Error
-                m_output.WriteLine($"Browse Error : {ex.Message}.");
+                lgError($"Browse Error : {ex.Message}");
             }
 
             return fatto;
@@ -307,7 +335,7 @@ namespace IOB_WIN_NEXT
         {
             if (m_session == null || m_session.Connected == false)
             {
-                m_output.WriteLine("Session not connected!");
+                lgInfo("Session not connected!");
                 return;
             }
 
@@ -325,20 +353,20 @@ namespace IOB_WIN_NEXT
                 IList<object> outputArguments = null;
 
                 // Invoke Call service
-                m_output.WriteLine("Calling UAMethod for node {0} ...", methodId);
+                lgInfo($"Calling UAMethod for node {methodId} ...");
                 outputArguments = m_session.Call(objectId, methodId, inputArguments);
 
                 // Display results
-                m_output.WriteLine("Method call returned {0} output argument(s):", outputArguments.Count);
+                lgInfo($"Method call returned {outputArguments.Count} output argument(s):");
 
                 foreach (var outputArgument in outputArguments)
                 {
-                    m_output.WriteLine("     OutputValue = {0}", outputArgument.ToString());
+                    lgInfo($"     OutputValue = {outputArgument}");
                 }
             }
             catch (Exception ex)
             {
-                m_output.WriteLine("Method call error: {0}", ex.Message);
+                lgInfo($"Method call error: {ex.Message}");
             }
         }
 
@@ -351,11 +379,11 @@ namespace IOB_WIN_NEXT
             {
                 if (m_session != null && m_session.Connected == true)
                 {
-                    m_output.WriteLine("Session already connected!");
+                    lgInfo("Session already connected!");
                 }
                 else
                 {
-                    m_output.WriteLine("Connecting...");
+                    lgInfo("Connecting...");
 
                     // Get the endpoint by connecting to server's discovery endpoint.
                     // Try to find the first endopint without security.
@@ -383,7 +411,7 @@ namespace IOB_WIN_NEXT
                     }
 
                     // Session created successfully.
-                    m_output.WriteLine($"New Session Created with SessionName = {m_session.SessionName}");
+                    lgInfo($"New Session Created with SessionName = {m_session.SessionName}");
                 }
 
                 return true;
@@ -391,7 +419,7 @@ namespace IOB_WIN_NEXT
             catch (Exception ex)
             {
                 // Log Error
-                m_output.WriteLine($"Create Session Error : {ex.Message}");
+                lgInfo($"Create Session Error : {ex.Message}");
                 return false;
             }
         }
@@ -405,24 +433,24 @@ namespace IOB_WIN_NEXT
             {
                 if (m_session != null)
                 {
-                    m_output.WriteLine("Disconnecting...");
+                    lgInfo("Disconnecting...");
 
                     m_session.Close();
                     m_session.Dispose();
                     m_session = null;
 
                     // Log Session Disconnected event
-                    m_output.WriteLine("Session Disconnected.");
+                    lgInfo("Session Disconnected.");
                 }
                 else
                 {
-                    m_output.WriteLine("Session not created!");
+                    lgInfo("Session not created!");
                 }
             }
             catch (Exception ex)
             {
                 // Log Error
-                m_output.WriteLine($"Disconnect Error : {ex.Message}");
+                lgInfo($"Disconnect Error : {ex.Message}");
             }
         }
 
@@ -436,7 +464,7 @@ namespace IOB_WIN_NEXT
             string answ = "";
             if (m_session == null || m_session.Connected == false)
             {
-                m_output.WriteLine("Session not connected!");
+                lgInfo("Session not connected!");
                 return answ;
             }
 
@@ -456,7 +484,7 @@ namespace IOB_WIN_NEXT
                 //};
 
                 //// Read the node attributes
-                //m_output.WriteLine("Reading nodes...");
+                //lgInfo("Reading nodes...");
 
                 //// Call Read Service
                 //m_session.Read(
@@ -473,7 +501,7 @@ namespace IOB_WIN_NEXT
                 //// Display the results.
                 //foreach (DataValue result in resultsValues)
                 //{
-                //    m_output.WriteLine("Read Value = {0} , StatusCode = {1}", result.Value, result.StatusCode);
+                //    lgInfo("Read Value = {0} , StatusCode = {1}", result.Value, result.StatusCode);
                 //}
 
                 //#endregion Read a node by calling the Read Service
@@ -488,7 +516,7 @@ namespace IOB_WIN_NEXT
                 catch (Exception exc)
                 {
                     // Log Error
-                    m_output.WriteLine($"ReadValue Error : {Environment.NewLine}{exc}");
+                    lgInfo($"ReadValue Error : {Environment.NewLine}{exc}");
                 }
 
                 #endregion Read the Value attribute of a node by calling the Session.ReadValue method
@@ -496,7 +524,7 @@ namespace IOB_WIN_NEXT
             catch (Exception ex)
             {
                 // Log Error
-                m_output.WriteLine($"Read Nodes Error : {ex.Message}.");
+                lgInfo($"Read Nodes Error : {ex.Message}.");
             }
             return answ;
         }
@@ -508,7 +536,7 @@ namespace IOB_WIN_NEXT
         {
             if (m_session == null || m_session.Connected == false)
             {
-                m_output.WriteLine("Session not connected!");
+                lgInfo("Session not connected!");
                 return;
             }
 
@@ -528,7 +556,7 @@ namespace IOB_WIN_NEXT
                 };
 
                 // Read the node attributes
-                m_output.WriteLine("Reading nodes...");
+                lgInfo("Reading nodes...");
 
                 // Call Read Service
                 m_session.Read(
@@ -545,7 +573,7 @@ namespace IOB_WIN_NEXT
                 // Display the results.
                 foreach (DataValue result in resultsValues)
                 {
-                    m_output.WriteLine("Read Value = {0} , StatusCode = {1}", result.Value, result.StatusCode);
+                    lgInfo($"Read Value = {result.Value} , StatusCode = {result.StatusCode}");
                 }
 
                 #endregion Read a node by calling the Read Service
@@ -553,17 +581,17 @@ namespace IOB_WIN_NEXT
                 #region Read the Value attribute of a node by calling the Session.ReadValue method
 
                 // Read Server NamespaceArray
-                m_output.WriteLine("Reading Value of NamespaceArray node...");
+                lgInfo("Reading Value of NamespaceArray node...");
                 DataValue namespaceArray = m_session.ReadValue(Variables.Server_NamespaceArray);
                 // Display the result
-                m_output.WriteLine($"NamespaceArray Value = {namespaceArray}");
+                lgInfo($"NamespaceArray Value = {namespaceArray}");
 
                 #endregion Read the Value attribute of a node by calling the Session.ReadValue method
             }
             catch (Exception ex)
             {
                 // Log Error
-                m_output.WriteLine($"Read Nodes Error : {ex.Message}.");
+                lgInfo($"Read Nodes Error : {ex.Message}.");
             }
         }
 
@@ -575,7 +603,7 @@ namespace IOB_WIN_NEXT
             List<MonitoredItem> monItList = new List<MonitoredItem>();
             if (m_session == null || m_session.Connected == false)
             {
-                m_output.WriteLine("Session not connected!");
+                lgInfo("Session not connected!");
                 return monItList;
             }
 
@@ -594,7 +622,7 @@ namespace IOB_WIN_NEXT
 
                 // Create the subscription on Server side
                 subscription.Create();
-                m_output.WriteLine("New Subscription created with SubscriptionId = {0}.", subscription.Id);
+                lgInfo($"New Subscription created with SubscriptionId = {subscription.Id}");
 
                 // Create MonitoredItems for data changes
                 foreach (var item in DataList)
@@ -689,11 +717,11 @@ namespace IOB_WIN_NEXT
 
                 // Create the monitored items on Server side
                 subscription.ApplyChanges();
-                m_output.WriteLine("MonitoredItems created for SubscriptionId = {0}.", subscription.Id);
+                lgInfo($"MonitoredItems created for SubscriptionId = {subscription.Id}");
             }
             catch (Exception ex)
             {
-                m_output.WriteLine("Subscribe error: {0}", ex.Message);
+                lgInfo($"Subscribe error: {ex.Message}");
             }
             return monItList;
         }
@@ -704,7 +732,7 @@ namespace IOB_WIN_NEXT
         {
             if (m_session == null || m_session.Connected == false)
             {
-                m_output.WriteLine("Session not connected!");
+                lgInfo("Session not connected!");
                 return;
             }
 
@@ -717,7 +745,7 @@ namespace IOB_WIN_NEXT
                 // Write the node attributes
                 StatusCodeCollection results = null;
                 DiagnosticInfoCollection diagnosticInfos;
-                m_output.WriteLine("Writing nodes...");
+                lgInfo("Writing nodes...");
 
                 // Call Write Service
                 m_session.Write(null,
@@ -729,17 +757,17 @@ namespace IOB_WIN_NEXT
                 m_validateResponse(results, nodesToWrite);
 
                 // Display the results.
-                m_output.WriteLine("Write Results :");
+                lgInfo("Write Results :");
 
                 foreach (StatusCode writeResult in results)
                 {
-                    m_output.WriteLine("     {0}", writeResult);
+                    lgInfo($"     {writeResult}");
                 }
             }
             catch (Exception ex)
             {
                 // Log Error
-                m_output.WriteLine($"Write Nodes Error : {ex.Message}.");
+                lgInfo($"Write Nodes Error : {ex.Message}");
             }
         }
 
@@ -750,7 +778,7 @@ namespace IOB_WIN_NEXT
         {
             if (m_session == null || m_session.Connected == false)
             {
-                m_output.WriteLine("Session not connected!");
+                lgInfo("Session not connected!");
                 return;
             }
 
@@ -764,7 +792,7 @@ namespace IOB_WIN_NEXT
                 // Write the node attributes
                 StatusCodeCollection results = null;
                 DiagnosticInfoCollection diagnosticInfos;
-                m_output.WriteLine("Writing nodes...");
+                lgInfo("Writing nodes...");
 
                 // Call Write Service
                 m_session.Write(null,
@@ -776,17 +804,17 @@ namespace IOB_WIN_NEXT
                 m_validateResponse(results, nodesToWrite);
 
                 // Display the results.
-                m_output.WriteLine("Write Results :");
+                lgInfo("Write Results :");
 
                 foreach (StatusCode writeResult in results)
                 {
-                    m_output.WriteLine("     {0}", writeResult);
+                    lgInfo("     {writeResult}");
                 }
             }
             catch (Exception ex)
             {
                 // Log Error
-                m_output.WriteLine($"Write Nodes Error : {ex.Message}.");
+                lgInfo($"Write Nodes Error : {ex.Message}");
             }
         }
 
@@ -797,7 +825,7 @@ namespace IOB_WIN_NEXT
         {
             if (m_session == null || m_session.Connected == false)
             {
-                m_output.WriteLine("Session not connected!");
+                lgInfo("Session not connected!");
                 return;
             }
 
@@ -860,7 +888,7 @@ namespace IOB_WIN_NEXT
                 // Write the node attributes
                 StatusCodeCollection results = null;
                 DiagnosticInfoCollection diagnosticInfos;
-                m_output.WriteLine("Writing nodes...");
+                lgInfo("Writing nodes...");
 
                 // Call Write Service
                 m_session.Write(null,
@@ -872,17 +900,17 @@ namespace IOB_WIN_NEXT
                 m_validateResponse(results, nodesToWrite);
 
                 // Display the results.
-                m_output.WriteLine("Write Results :");
+                lgInfo("Write Results :");
 
                 foreach (StatusCode writeResult in results)
                 {
-                    m_output.WriteLine("     {0}", writeResult);
+                    lgInfo($"     {writeResult}");
                 }
             }
             catch (Exception ex)
             {
                 // Log Error
-                m_output.WriteLine($"Write Nodes Error : {ex.Message}.");
+                lgInfo($"Write Nodes Error : {ex.Message}.");
             }
         }