diff --git a/IOB-UT/IOB-UT.csproj b/IOB-UT/IOB-UT.csproj
index 1679b1a5..21469a13 100644
--- a/IOB-UT/IOB-UT.csproj
+++ b/IOB-UT/IOB-UT.csproj
@@ -96,7 +96,9 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="baseUtils.cs" />
+    <Compile Include="baseUtils.cs">
+      <SubType>Component</SubType>
+    </Compile>
     <Compile Include="BinaryFormatter.cs" />
     <Compile Include="fileMover.cs" />
     <Compile Include="IniFile.cs" />
diff --git a/IOB-WIN/DATA/CONF/INTERCL_02.ini b/IOB-WIN/DATA/CONF/INTERCL_02.ini
index 9485aab6..25ef319b 100644
--- a/IOB-WIN/DATA/CONF/INTERCL_02.ini
+++ b/IOB-WIN/DATA/CONF/INTERCL_02.ini
@@ -56,7 +56,8 @@ PZCOUNT_MODE=STD.DM20.2
 DISABLE_PZCOUNT=TRUE
 ENABLE_DYN_DATA=TRUE
 FORCE_DYN_DATA=TRUE
-
+NEW_DYN_DATA=TRUE
+MAX_PING_RETRY=5
 ; conf parametri memoria READ/WRITE
 PARAM_CONF=INTERCL_02.json
 
diff --git a/IOB-WIN/IobGeneric.cs b/IOB-WIN/IobGeneric.cs
index cadb0590..854726f3 100644
--- a/IOB-WIN/IobGeneric.cs
+++ b/IOB-WIN/IobGeneric.cs
@@ -13,7 +13,6 @@ using System.Linq;
 using System.Net;
 using System.Net.NetworkInformation;
 using System.Text;
-using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
@@ -702,7 +701,23 @@ namespace IOB_WIN
     protected virtual void setParamPlc()
     {
       loadMemConf();
-    }
+      fixDefaultPar();
+    }
+    /// <summary>
+    /// Imposta eventuali altri valori default
+    /// </summary>
+    private void fixDefaultPar()
+    {
+      // parametro max tentativi PING...
+      string s_maxPingRetry = getOptPar("MAX_PING_RETRY");
+      if (!string.IsNullOrEmpty(s_maxPingRetry))
+      {
+        int numRetry = 5;
+        int.TryParse(s_maxPingRetry, out numRetry);
+        maxPingRetry = numRetry;
+      }
+    }
+
     /// <summary>
     /// Effettua logging INFO corretto impostanto anche la variabile IOB prima di scrivere...
     /// </summary>
@@ -1591,6 +1606,10 @@ namespace IOB_WIN
         _connOk = value;
       }
     }
+    /// <summary>
+    /// Max tentativi ping permessi (default: 5)
+    /// </summary>
+    protected int maxPingRetry { get; set; } = 5;
 
     /// <summary>
     /// indica se ping disabilitato da optPar
@@ -1605,10 +1624,10 @@ namespace IOB_WIN
       }
     }
     /// <summary>
-    /// test ping all'indirizzo impostato nei parametri
+    /// test ping all'indirizzo PLC/CNC impostato nei parametri
     /// </summary>
     /// <returns></returns>
-    protected IPStatus testPing
+    protected IPStatus testPingMachine
     {
       get
       {
@@ -1622,12 +1641,14 @@ namespace IOB_WIN
         {
           IPAddress address;
           PingReply reply;
-          Ping pingSender = new Ping();
-          address = IPAddress.Loopback;
-          IPAddress.TryParse(cIobConf.cncIpAddr, out address);
-          int pingMsTimeout = cIobConf.pingMsTimeout;
-          reply = pingSender.Send(address, pingMsTimeout);
-          answ = reply.Status;
+          using (Ping pingSender = new Ping())
+          {
+            address = IPAddress.Loopback;
+            IPAddress.TryParse(cIobConf.cncIpAddr, out address);
+            int pingMsTimeout = cIobConf.pingMsTimeout;
+            reply = pingSender.Send(address, pingMsTimeout);
+            answ = reply.Status;
+          }
         }
         return answ;
       }
@@ -2495,24 +2516,26 @@ namespace IOB_WIN
         IPStatus answ = IPStatus.Unknown; ;
         IPAddress address;
         PingReply reply;
-        Ping pingSender = new Ping();
-        address = IPAddress.Loopback;
-        int maxRetry = 5;
-        int numRetry = 1; ;
-        string ipAdrr = cIobConf.serverData.MPIP.Replace("http://", "").Replace("https://", "");
-        IPAddress.TryParse(ipAdrr, out address);
-        reply = pingSender.Send(address, pingServerMsTimeout);
-        // se ho timeout riprovo...
-        while (reply.Status != IPStatus.Success && numRetry < maxRetry)
+        using (Ping pingSender = new Ping())
         {
-          lgInfo($"Ping KO | reply: {reply.Status} --> retry");
-          reply = pingSender.Send(address, pingServerMsTimeout * numRetry / 2);
-          numRetry++;
-          if (reply.Status == IPStatus.Success)
+          address = IPAddress.Loopback;
+          int maxRetry = maxPingRetry + 1;
+          int numRetry = 1; ;
+          string ipAdrr = cIobConf.serverData.MPIP.Replace("http://", "").Replace("https://", "");
+          IPAddress.TryParse(ipAdrr, out address);
+          reply = pingSender.Send(address, pingServerMsTimeout);
+          // se ho timeout riprovo...
+          while (reply.Status != IPStatus.Success && numRetry < maxRetry)
           {
-            lgInfo("PING OK!");
-            break;
-          }
+            lgInfo($"Ping KO | reply: {reply.Status} --> retry");
+            reply = pingSender.Send(address, pingServerMsTimeout * numRetry / 2);
+            numRetry++;
+            if (reply.Status == IPStatus.Success)
+            {
+              lgInfo("PING OK!");
+              break;
+            }
+          }
         }
         answ = reply.Status;
         return answ;
diff --git a/IOB-WIN/IobKawasaki.cs b/IOB-WIN/IobKawasaki.cs
index 7454921a..0d5e3805 100644
--- a/IOB-WIN/IobKawasaki.cs
+++ b/IOB-WIN/IobKawasaki.cs
@@ -309,7 +309,7 @@ namespace IOB_WIN
       {
         lgInfo("Refreshing connection...");
         // ora tento avvio PLC... SE PING OK...
-        if (testPing == IPStatus.Success)
+        if (testPingMachine == IPStatus.Success)
         {
           try
           {
@@ -416,7 +416,7 @@ namespace IOB_WIN
           // in primis salvo data ping...
           lastPING = DateTime.Now;
           // se passa il ping faccio il resto...
-          if (testPing == IPStatus.Success)
+          if (testPingMachine == IPStatus.Success)
           {
             string szStatusConnection = "";
             try
diff --git a/IOB-WIN/IobMTC.cs b/IOB-WIN/IobMTC.cs
index 8951be81..ed878c38 100644
--- a/IOB-WIN/IobMTC.cs
+++ b/IOB-WIN/IobMTC.cs
@@ -508,7 +508,7 @@ namespace IOB_WIN
           // in primis salvo data ping...
           lastPING = DateTime.Now;
           // se passa il ping faccio il resto...
-          if (testPing == IPStatus.Success)
+          if (testPingMachine == IPStatus.Success)
           {
             string szStatusConnection = "";
             try
@@ -733,7 +733,7 @@ namespace IOB_WIN
         ----------------------------------------------------- */
 
       // Controllo booleano PING e POWERON...
-      bool checkPing = (testPing == IPStatus.Success);
+      bool checkPing = (testPingMachine == IPStatus.Success);
       string currPowerOn = "";
       try
       {
diff --git a/IOB-WIN/IobOmron.cs b/IOB-WIN/IobOmron.cs
index 0c5d5c47..c48cc83e 100644
--- a/IOB-WIN/IobOmron.cs
+++ b/IOB-WIN/IobOmron.cs
@@ -258,7 +258,7 @@ namespace IOB_WIN
           // in primis salvo data ping...
           lastPING = DateTime.Now;
           // se passa il ping faccio il resto...
-          if (testPing == IPStatus.Success)
+          if (testPingMachine == IPStatus.Success)
           {
             string szStatusConnection = "";
             try
@@ -575,7 +575,7 @@ namespace IOB_WIN
          * B6: carico AUTOBOTTE          
         ----------------------------------------------------- */
       // bit 0 (poweron) imposto a 1 SE pingo...
-      B_input = testPing == IPStatus.Success ? 1 : 0;
+      B_input = testPingMachine == IPStatus.Success ? 1 : 0;
 
       bool caricoSilos = ((memReadCIO_IN[55] & (1 << 2)) != 0);
       bool caricoAutobotte = ((memReadCIO_IN[50] & (1 << 2)) != 0);
@@ -611,7 +611,7 @@ namespace IOB_WIN
       {
         currODL = utils.callUrl(urlGetCurrODL);
         // solo SE HO un ODL...
-        if (currODL == "" || currODL == "0")
+        if (string.IsNullOrEmpty(currODL) || currODL == "0")
         {
           if (periodicLog)
           {
diff --git a/IOB-WIN/IobSiemens.cs b/IOB-WIN/IobSiemens.cs
index 8fd5fbd1..2da971eb 100644
--- a/IOB-WIN/IobSiemens.cs
+++ b/IOB-WIN/IobSiemens.cs
@@ -734,7 +734,7 @@ namespace IOB_WIN
     {
       bool answ = false;
 
-      IPStatus pingStatus = testPing;
+      IPStatus pingStatus = testPingMachine;
       // se passa il ping faccio il resto...
       if (pingStatus != IPStatus.Success)
       {
@@ -810,7 +810,7 @@ namespace IOB_WIN
             lgError(exc, "Errore in parse parametri da IOBConf");
           }
           // ora tento avvio PLC... SE PING OK...
-          IPStatus esitoPing = testPing;
+          IPStatus esitoPing = testPingMachine;
           if (esitoPing == IPStatus.Success)
           {
             needRefresh = false;
@@ -946,7 +946,7 @@ namespace IOB_WIN
           // in primis salvo data ping...
           lastPING = DateTime.Now;
           // se passa il ping faccio il resto...
-          if (testPing == IPStatus.Success)
+          if (testPingMachine == IPStatus.Success)
           {
             string szStatusConnection = "";
             try
diff --git a/IOB-WIN/IobWPS.cs b/IOB-WIN/IobWPS.cs
index 33fd6ca3..79bf7085 100644
--- a/IOB-WIN/IobWPS.cs
+++ b/IOB-WIN/IobWPS.cs
@@ -138,7 +138,7 @@ namespace IOB_WIN
     public override void tryConnect()
     {
       // controllo ping --> segno connected...
-      connectionOk = (testPing == IPStatus.Success);
+      connectionOk = (testPingMachine == IPStatus.Success);
       if (connectionOk)
       {
         try
diff --git a/Jenkinsfile b/Jenkinsfile
index 8e0a5c0f..c3763dfe 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -16,7 +16,7 @@ pipeline {
 
       /* calcolo numero versione... diverso x branch MASTER/DEVELOP */
       script {
-        withEnv(['NEXT_BUILD_NUMBER=545']) {
+        withEnv(['NEXT_BUILD_NUMBER=547']) {
           // env.versionNumber = VersionNumber(versionNumberString : '2.5.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true)
           env.versionNumber = VersionNumber(versionNumberString : '2.5.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
           env.APP_NAME = 'MAPO-IOB-WIN'