diff --git a/IOB-WIN/DATA/CONF/EM63.ini b/IOB-WIN/DATA/CONF/EM63.ini
index 52254098..3a71a257 100644
--- a/IOB-WIN/DATA/CONF/EM63.ini
+++ b/IOB-WIN/DATA/CONF/EM63.ini
@@ -8,10 +8,9 @@ PING_MS_TIMEOUT=500
 VENDOR=PlasticMetal
 MODEL=MPW280SP
 
-[CNC]						
-;IP=192.168.1.55
+[CNC]
 IP=10.74.82.253				 
-;IP=10.82.74.1
+;IP=192.168.1.151
 
 [SERVER]                 	 
 MPIP=http://10.74.82.218
@@ -58,9 +57,11 @@ PZCOUNT_MODE=NONE
 DISABLE_PZCOUNT=TRUE
 ENABLE_DYN_DATA=TRUE
 FORCE_DYN_DATA=TRUE
-;ENABLE_SEND_PZC_BLOCK=TRUE
-;MIN_SEND_PZC_BLOCK=0
-;MAX_SEND_PZC_BLOCK=100
+ENABLE_SEND_PZC_BLOCK=TRUE
+MIN_SEND_PZC_BLOCK=0
+MAX_SEND_PZC_BLOCK=1200
+MAX_DELAY_SEC=30
+CACHE_MULT=6
 ; CONF variabili da recuperare in WebPage (stato macchina, contatori, variabili, ...)
 LUT_CONF=EM63.json
 timerIntMs=10
diff --git a/IOB-WIN/IobFileEurom63.cs b/IOB-WIN/IobFileEurom63.cs
index 80aa367e..e17ba235 100644
--- a/IOB-WIN/IobFileEurom63.cs
+++ b/IOB-WIN/IobFileEurom63.cs
@@ -27,11 +27,21 @@ namespace IOB_WIN
         /// </summary>
         protected string appPath = Directory.GetCurrentDirectory();
 
+        /// <summary>
+        /// Moltiplicatore durata cache
+        /// </summary>
+        protected int cacheMult = 4;
+
         /// <summary>
         /// Oggetti decodificati da pagina
         /// </summary>
         protected Eurom63.ProtoConf confE63;
 
+        /// <summary>
+        /// Valore currStatus validato (per gestione "disconnessioni")
+        /// </summary>
+        protected CachedInt Last_B_Input = new CachedInt() { Value = 0 };
+
         /// <summary>
         /// Valore currStatus validato (per gestione "disconnessioni")
         /// </summary>
@@ -40,7 +50,7 @@ namespace IOB_WIN
         /// <summary>
         /// Massimo delay lettura dati prima di considerarli scaduti (30 sec, ma x test 1 gg)
         /// </summary>
-        protected int maxDelaySec = 60;
+        protected int maxDelaySec = 30;
 
         #endregion Protected Fields
 
@@ -55,6 +65,12 @@ namespace IOB_WIN
         {
             lgInfo("INIT IobFileEurom63");
             appPath = Path.GetDirectoryName(Application.ExecutablePath);
+
+            string MAX_DELAY_SEC = getOptPar("MAX_DELAY_SEC");
+            string CACHE_MULT = getOptPar("CACHE_MULT");
+            int.TryParse(MAX_DELAY_SEC, out maxDelaySec);
+            int.TryParse(CACHE_MULT, out cacheMult);
+
 #if DEBUG
             maxDelaySec = 60 * 60 * 24;
 #endif
@@ -79,8 +95,10 @@ namespace IOB_WIN
                 {
                     // elimino TUTTE le risposte...
                     cleanupResp(currSession.SessionName);
-                    // imposto livello...
-                    actLevel = Eurom63.ComLevel.HasInfo;
+                    // imposto livellotornando indietro di 1 alla volta... senza andare in negativoS
+                    actLevel = actLevel - 1;
+                    actLevel = actLevel > 0 ? actLevel : 0;
+                    lgInfo($"Sessione inattiva, {actLevel + 1} --> {actLevel}");
                 }
             }
         }
@@ -691,10 +709,9 @@ namespace IOB_WIN
                                             {
                                                 currDispData.semIn = Semaforo.SV;
                                             }
-                                            readDone = true;
                                             // salvo in cache!
                                             Last_CurrStatus.Value = currStatus;
-                                            Last_CurrStatus.ValidUntil = DateTime.Now.AddSeconds(15);
+                                            Last_CurrStatus.ValidUntil = DateTime.Now.AddSeconds(maxDelaySec * cacheMult);
 
                                             // ora verifico SE siano validi anche le dataora dei valori letti (< 20 sec ritardo da ora...)
                                             string data = statusData[0].Trim();
@@ -713,10 +730,11 @@ namespace IOB_WIN
                                                 // elimino file RSP...
                                                 cleanupResp(sessStatus.SessionName);
                                             }
+                                            readDone = true;
                                         }
                                         else
                                         {
-                                            lgError($"decodifica StatusData in errore: trovati {statusData.Length} campi in {rawLines}");
+                                            lgError($"Decodifica StatusData in errore: trovati {statusData.Length} campi in {rawLines}");
                                         }
                                     }
                                     else
@@ -728,12 +746,15 @@ namespace IOB_WIN
                         }
                         else
                         {
-                            actLevel = Eurom63.ComLevel.ChannelOk;
                             // se valido RILEGGO ultimo curr status
                             if (Last_CurrStatus.ValidUntil > adesso)
                             {
                                 currStatus = Last_CurrStatus.Value;
                             }
+                            else
+                            {
+                                actLevel = Eurom63.ComLevel.ChannelOk;
+                            }
                         }
                     }
 
@@ -764,8 +785,18 @@ namespace IOB_WIN
                     {
                         B_input += (1 << 3);
                     }
+                    // salvo B_Input in cache!
+                    Last_B_Input.Value = B_input;
+                    Last_B_Input.ValidUntil = DateTime.Now.AddSeconds(maxDelaySec * cacheMult);
+                }
+                // se disponibile riporto B_Input precedente
+                else
+                {
+                    if (Last_B_Input.ValidUntil > adesso)
+                    {
+                        B_input = Last_B_Input.Value;
+                    }
                 }
-
                 // riporto bitmap...
                 reportRawInput(ref currDispData);
             }
@@ -776,12 +807,13 @@ namespace IOB_WIN
                     currDispData.semIn = Semaforo.SR;
             }
 
+            // ultimo controllo...
             if (!readDone)
             {
-                // se valido RILEGGO ultimo curr status
-                if (Last_CurrStatus.ValidUntil > adesso)
+                // se valido RILEGGO ultimo B_INPUT
+                if (Last_B_Input.ValidUntil > adesso)
                 {
-                    currStatus = Last_CurrStatus.Value;
+                    B_input = Last_B_Input.Value;
                 }
             }
         }
diff --git a/Jenkinsfile b/Jenkinsfile
index 0c3ba53d..c2564110 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -9,7 +9,7 @@ pipeline {
       steps {
       /* calcolo numero versione... diverso x branch MASTER/DEVELOP */
       script {
-        withEnv(['NEXT_BUILD_NUMBER=733']) {
+        withEnv(['NEXT_BUILD_NUMBER=734']) {
           // env.versionNumber = VersionNumber(versionNumberString : '3.3.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true)
           env.versionNumber = VersionNumber(versionNumberString : '3.3.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
           env.APP_NAME = 'MAPO-IOB-WIN'