diff --git a/IOB-WIN/AdapterForm.cs b/IOB-WIN/AdapterForm.cs
index 80d0c379..9b4074eb 100644
--- a/IOB-WIN/AdapterForm.cs
+++ b/IOB-WIN/AdapterForm.cs
@@ -373,9 +373,10 @@ namespace IOB_WIN
           }
           else
           {
-            double currWait = DateTime.Now.Subtract(lastStartTry).TotalMilliseconds;
-            if (iobObj.adpTryRestart && currWait > utils.CRI("waitRecMSec"))
+            DateTime dtVeto = lastStartTry.AddMilliseconds(utils.CRI("waitRecMSec"));
+            if (iobObj.adpTryRestart && (DateTime.Now > dtVeto))
             {
+              lgInfo("Retry Time Elapsed --> tryConnect");
               lastStartTry = DateTime.Now;
               iobObj.tryConnect();
             }
@@ -383,13 +384,13 @@ namespace IOB_WIN
         }
         else
         {
-          if (iobObj.verboseLog)
+          if (iobObj.periodicLog)
           {
-            lgInfo("PLC <--> IOB Not connected");
+            lgInfo("Adapter stopped");
           }
-          // verifico SE debba tentare il riavvio, ovvero NON running ma tryReconn e non ho riprovato x oltre waitRecMSec
-          double currWait = DateTime.Now.Subtract(lastStartTry).TotalMilliseconds;
-          if (iobObj.adpTryRestart && currWait > utils.CRI("waitRecMSec"))
+          // verifico SE debba tentare il riavvio, ovvero NON running ma adpTryRestart e non ho riprovato x oltre waitRecMSec
+          DateTime dtVeto = lastStartTry.AddMilliseconds(utils.CRI("waitRecMSec"));
+          if (iobObj.adpTryRestart && (DateTime.Now > dtVeto))
           {
             lastStartTry = DateTime.Now;
             avviaAdapter(chkForceDequeue.Checked);
diff --git a/IOB-WIN/IobSiemens.cs b/IOB-WIN/IobSiemens.cs
index 423702b5..aed21c7d 100644
--- a/IOB-WIN/IobSiemens.cs
+++ b/IOB-WIN/IobSiemens.cs
@@ -364,6 +364,7 @@ namespace IOB_WIN
     /// </summary>
     public override void tryConnect()
     {
+      bool doLog = (verboseLog || periodicLog);
       if (!connectionOk)
       {
         // reimporto parametri PLC se necessario...
@@ -371,7 +372,7 @@ namespace IOB_WIN
         // controllo che il ping sia stato tentato almeno pingTestSec fa...
         if (DateTime.Now.Subtract(lastPING).TotalSeconds > utils.CRI("pingTestSec"))
         {
-          if (verboseLog || periodicLog)
+          if (doLog)
           {
             lgInfo("SIEMENS: ConnKO - tryConnect");
           }
@@ -420,7 +421,7 @@ namespace IOB_WIN
           {
             // loggo no risposta ping ...
             connectionOk = false;
-            if (verboseLog || periodicLog)
+            if (doLog)
             {
               lgInfo(string.Format("Attenzione: SIEMENS controllo PING fallito per IP {0}", cIobConf.cncIpAddr));
             }
diff --git a/IOB-WIN/IobSiemensTorri.cs b/IOB-WIN/IobSiemensTorri.cs
index e818bf6a..d1d9d77d 100644
--- a/IOB-WIN/IobSiemensTorri.cs
+++ b/IOB-WIN/IobSiemensTorri.cs
@@ -4,7 +4,6 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
-using System.Net;
 using System.Net.NetworkInformation;
 
 namespace IOB_WIN
@@ -34,10 +33,6 @@ namespace IOB_WIN
     /// </summary>
     protected Plc currPLC;
     /// <summary>
-    /// indica se serva refresh parametri e quindi PLC...
-    /// </summary>
-    bool needRefresh = true;
-    /// <summary>
     /// Oggetto cronometro x test vari...
     /// </summary>
     protected Stopwatch sw = new Stopwatch();
@@ -235,23 +230,6 @@ namespace IOB_WIN
       return answ;
     }
     /// <summary>
-    /// test ping all'indirizzo impostato nei parametri
-    /// </summary>
-    /// <returns></returns>
-    private IPStatus testPing()
-    {
-      IPStatus answ = IPStatus.Unknown; ;
-      IPAddress address;
-      PingReply reply;
-      Ping pingSender = new Ping();
-      address = IPAddress.Loopback;
-      IPAddress.TryParse(parametri.ipAdrr, out address);
-      int pingMsTimeout = parametri.pingMsTimeout;
-      reply = pingSender.Send(address, pingMsTimeout);
-      answ = reply.Status;
-      return answ;
-    }
-    /// <summary>
     /// Imposto parametri PLC
     /// </summary>
     private void setParamPlc()
@@ -381,12 +359,15 @@ namespace IOB_WIN
     /// </summary>
     public override void tryConnect()
     {
+      bool doLog = (verboseLog || periodicLog);
       if (!connectionOk)
       {
+        // reimporto parametri PLC se necessario...
+        setParamPlc();
         // controllo che il ping sia stato tentato almeno pingTestSec fa...
         if (DateTime.Now.Subtract(lastPING).TotalSeconds > utils.CRI("pingTestSec"))
         {
-          if (verboseLog || periodicLog)
+          if (doLog)
           {
             lgInfo("SIEMENS-TORRI: ConnKO - tryConnect");
           }
@@ -435,7 +416,7 @@ namespace IOB_WIN
           {
             // loggo no risposta ping ...
             connectionOk = false;
-            if (verboseLog || periodicLog)
+            if (doLog)
             {
               lgInfo(string.Format("Attenzione: SIEMENS-TORRI controllo PING fallito per IP {0}", cIobConf.cncIpAddr));
             }
@@ -757,7 +738,7 @@ namespace IOB_WIN
           // resetto timer...
           lastPzCountSend = DateTime.Now;
         }
-      }    
+      }
 
       // log opzionale!
       if (verboseLog)