diff --git a/IOB-WIN-NEXT/DATA/CONF/PING.ini b/IOB-WIN-NEXT/DATA/CONF/PING.ini
index 454d25cf..de8135e3 100644
--- a/IOB-WIN-NEXT/DATA/CONF/PING.ini
+++ b/IOB-WIN-NEXT/DATA/CONF/PING.ini
@@ -10,8 +10,8 @@ VENDOR=STEAMWARE
 MODEL=WATCHDOG
 
 [CNC]
-;IP=10.74.83.112
-IP=10.74.82.253
+IP=10.74.83.183
+;IP=10.74.82.253
 PORT=0000
 
 [SERVER]
diff --git a/IOB-WIN-NEXT/IobNet/Ping.cs b/IOB-WIN-NEXT/IobNet/Ping.cs
index 90be9780..322519c3 100644
--- a/IOB-WIN-NEXT/IobNet/Ping.cs
+++ b/IOB-WIN-NEXT/IobNet/Ping.cs
@@ -2,6 +2,7 @@
 using MapoSDK;
 using System;
 using System.Net.NetworkInformation;
+using System.Threading;
 
 namespace IOB_WIN_NEXT.IobNet
 {
@@ -41,7 +42,7 @@ namespace IOB_WIN_NEXT.IobNet
             //lastPING = adesso;
             lastReadPLC = adesso;
             lastDisconnCheck = adesso;
-            // faccio un primo check
+            // faccio un primo check POST ritardo
             tryConnect();
         }
 
@@ -89,15 +90,18 @@ namespace IOB_WIN_NEXT.IobNet
                 {
                     connectionOk = true;
                     lastReadPLC = DateTime.Now;
+                    lastWatchDog = DateTime.Now;
                 }
                 else
                 {
-                    connectionOk = false;
+                    numFailMax = 10;
+                    checkMaxPingFail();
                 }
 
                 if (connectionOk)
                 {
                     B_input = 1;
+                    //numFailCurr = 0;
                 }
                 else
                 {
@@ -111,15 +115,38 @@ namespace IOB_WIN_NEXT.IobNet
             {
                 currDispData.semIn = Semaforo.SR;
             }
+            // attesa extra di 1 sec...
+            Thread.Sleep(1000);
         }
 
+        private void checkMaxPingFail()
+        {
+            numFailCurr++;
+            if (numFailCurr >= numFailMax)
+            {
+                lgInfo($"PING: Reached numFailMax: {numFailMax}");
+                connectionOk = false;
+                numFailCurr = 0;
+            }
+        }
+
+        /// <summary>
+        /// Max num ping falliti prima di demordere
+        /// </summary>
+        protected int numFailMax = 3;
+        /// <summary>
+        /// Num ping falliti corrente
+        /// </summary>
+        protected int numFailCurr = 0;
+
+
         /// <summary>
         /// Override connessione
         /// </summary>
         public override void tryConnect()
         {
             bool doLog = (verboseLog || periodicLog);
-            lgDebug("PING: tryConnect step 01");
+            lgDebug($"PING: tryConnect step 01 | connectionOk: {connectionOk}");
             if (!connectionOk)
             {
                 // controllo che il ping sia stato tentato almeno pingTestSec fa...
@@ -142,8 +169,9 @@ namespace IOB_WIN_NEXT.IobNet
                     else
                     {
                         // loggo no risposta ping ...
-                        connectionOk = false;
                         lgError("PING KO");
+                        numFailMax = 2;
+                        checkMaxPingFail();
                     }
                 }
             }