diff --git a/IOB-UT-NEXT/Iob/BaseObj.cs b/IOB-UT-NEXT/Iob/BaseObj.cs
index 8c2cdb1a..0c7cb245 100644
--- a/IOB-UT-NEXT/Iob/BaseObj.cs
+++ b/IOB-UT-NEXT/Iob/BaseObj.cs
@@ -209,44 +209,32 @@ namespace IOB_UT_NEXT.Iob
         /// </summary>
         public DataQueue QueueAlarm = new DataQueue("000", "QueueAlarm", false);
 
-        //public ConcurrentQueue<string> QueueAlarm = new ConcurrentQueue<string>();
-
         /// <summary>
         /// Oggetto della coda degli elementi letti di tipo FluxLog (e non ancora trasmessi)
         /// </summary>
         public DataQueue QueueFLog = new DataQueue("000", "QueueFLog", false);
 
-        //public ConcurrentQueue<string> QueueFLog = new ConcurrentQueue<string>();
-
         /// <summary>
         /// Oggetto della coda degli elementi letti (e non ancora trasmessi)
         /// </summary>
         public DataQueue QueueIN = new DataQueue("000", "QueueIN", false);
 
-        //public ConcurrentQueue<string> QueueIN = new ConcurrentQueue<string>();
-
         /// <summary>
         /// Coda valori MESSAGGI/EVENTI (da non sottocampionare come samples)...
         /// </summary>
         public DataQueue QueueMessages = new DataQueue("000", "QueueMessages", false);
 
-        //public ConcurrentQueue<string> QueueMessages = new ConcurrentQueue<string>();
-
         /// <summary>
         /// Oggetto della coda degli elementi di tipo RawTransf (e non ancora trasmessi)
         /// NB: sono salvati serializzati come stringhe
         /// </summary>
         public DataQueue QueueRawTransf = new DataQueue("000", "QueueRawTransf", false);
 
-        //public ConcurrentQueue<string> QueueRawTransf = new ConcurrentQueue<string>();
-
         /// <summary>
         /// Coda valori LOG UTENTE (da non sottocampionare come samples)...
         /// </summary>
         public DataQueue QueueULog = new DataQueue("000", "QueueULog", false);
 
-        //public ConcurrentQueue<string> QueueULog = new ConcurrentQueue<string>();
-
         /// <summary>
         /// alias booleano false = R
         /// </summary>
@@ -524,6 +512,11 @@ namespace IOB_UT_NEXT.Iob
         /// </summary>
         protected DateTime lastLogStartup = DateTime.Today.AddHours(-1);
 
+        /// <summary>
+        /// Tempo minimo ammissibile di risposta (es x errori ModBus che risponde troppo in fretta) in millisec
+        /// </summary>
+        protected int minRespTimeMs = 5;
+
         /// <summary>
         /// Veto per registrazione completa log di startup (minuti)
         /// </summary>
@@ -596,7 +589,7 @@ namespace IOB_UT_NEXT.Iob
                     }
                 }
             }
-            catch(Exception exc)
+            catch (Exception exc)
             {
                 lg.Error($"Eccezione in checkLogVeto: reset contatori VetoLog/VetoLogCount | message: {message}");
                 lg.Error($"Raised Exc:{Environment.NewLine}{exc}");
diff --git a/IOB-WIN-FORM/Iob/Generic.cs b/IOB-WIN-FORM/Iob/Generic.cs
index c3cf731d..c513abf9 100644
--- a/IOB-WIN-FORM/Iob/Generic.cs
+++ b/IOB-WIN-FORM/Iob/Generic.cs
@@ -6003,6 +6003,11 @@ namespace IOB_WIN_FORM.Iob
                 lgError("loadMemConf: parametro ENABLE_SEND_PZC_BLOCK non trovato, verificare anche MAX_SEND_PZC_BLOCK e MIN_SEND_PZC_BLOCK");
             }
             lgInfo("loadMemConf.02");
+            currPar = getOptPar("MIN_RESP_TIME_MS");
+            if (!string.IsNullOrEmpty(currPar))
+            {
+                int.TryParse(currPar, out minRespTimeMs);
+            }
 
             // gruppo macchina
             CodGruppoIob = getOptPar("CodGruppoIob");
diff --git a/IOB-WIN-MBUS/DATA/CONF/PIZ04.ini b/IOB-WIN-MBUS/DATA/CONF/PIZ04.ini
index bec8b702..b41604df 100644
--- a/IOB-WIN-MBUS/DATA/CONF/PIZ04.ini
+++ b/IOB-WIN-MBUS/DATA/CONF/PIZ04.ini
@@ -62,6 +62,8 @@ FORCE_DYN_DATA=TRUE
 ; gestione delta minimo accettabile tra min/MAX
 DELTA_VAL=0.1
 COPY_DYN2PROD_DATA =TRUE
+;tempo minimo risposta perché sia valida
+MIN_RESP_TIME_MS=10
 
 ; clock base (da 10ms)
 timerIntMs=50
diff --git a/IOB-WIN-MBUS/DATA/CONF/PIZ05.ini b/IOB-WIN-MBUS/DATA/CONF/PIZ05.ini
index 2362a521..be4a090f 100644
--- a/IOB-WIN-MBUS/DATA/CONF/PIZ05.ini
+++ b/IOB-WIN-MBUS/DATA/CONF/PIZ05.ini
@@ -62,6 +62,8 @@ FORCE_DYN_DATA=TRUE
 ; gestione delta minimo accettabile tra min/MAX
 DELTA_VAL=0.1
 COPY_DYN2PROD_DATA =TRUE
+;tempo minimo risposta perché sia valida
+MIN_RESP_TIME_MS=10
 
 ; clock base (da 10ms)
 timerIntMs=50
diff --git a/IOB-WIN-MBUS/DATA/CONF/PIZ09.ini b/IOB-WIN-MBUS/DATA/CONF/PIZ09.ini
index 5f9834be..0dbce34d 100644
--- a/IOB-WIN-MBUS/DATA/CONF/PIZ09.ini
+++ b/IOB-WIN-MBUS/DATA/CONF/PIZ09.ini
@@ -62,6 +62,8 @@ FORCE_DYN_DATA=TRUE
 ; gestione delta minimo accettabile tra min/MAX
 DELTA_VAL=0.1
 COPY_DYN2PROD_DATA =TRUE
+;tempo minimo risposta perché sia valida
+MIN_RESP_TIME_MS=10
 
 ; clock base (da 10ms)
 timerIntMs=50
diff --git a/IOB-WIN-MBUS/DATA/CONF/PIZ10.ini b/IOB-WIN-MBUS/DATA/CONF/PIZ10.ini
index e27b43ff..48dd9187 100644
--- a/IOB-WIN-MBUS/DATA/CONF/PIZ10.ini
+++ b/IOB-WIN-MBUS/DATA/CONF/PIZ10.ini
@@ -63,6 +63,8 @@ FORCE_DYN_DATA=TRUE
 ; gestione delta minimo accettabile tra min/MAX
 DELTA_VAL=0.1
 COPY_DYN2PROD_DATA =TRUE
+;tempo minimo risposta perché sia valida
+MIN_RESP_TIME_MS=10
 
 ; clock base (da 10ms)
 timerIntMs=50
diff --git a/IOB-WIN-MBUS/IobModbustTCP/ModbusTCP.cs b/IOB-WIN-MBUS/IobModbustTCP/ModbusTCP.cs
index fa40940b..c29d7629 100644
--- a/IOB-WIN-MBUS/IobModbustTCP/ModbusTCP.cs
+++ b/IOB-WIN-MBUS/IobModbustTCP/ModbusTCP.cs
@@ -2081,21 +2081,24 @@ namespace IOB_WIN_MBUS.IobModbusTCP
                     int memAddr = startAddr - baseAddr;
                     rawData = currPLC.ReadHoldingRegisters(memAddr, numReg);
                     stopwatch.Stop();
-                    lgTrace($"Lettura in blocco HoldingRegisters| startAddr: {startAddr} | numReg {numReg} | rawData.lenght: {rawData.Length} | {stopwatch.ElapsedMilliseconds}ms");
+                    lgTrace($"Lettura in blocco HoldingRegisters| startAddr: {startAddr} | numReg {numReg} | rawData.lenght: {rawData.Length} | {stopwatch.Elapsed.TotalMilliseconds}ms");
                     lastReadPLC = DateTime.Now;
+                    // se risposta troppo rapida (< minRespTimeMs, tipicamente 5 msse non impostato in OptPar) indico NON ok e errori...
+                    if (stopwatch.Elapsed.TotalMilliseconds < minRespTimeMs)
+                    {
+                        allOk = false;
+                        currReadErrors += 10;
+                    }
                     // se leggo tutti zero --> indico +5 read error!
                     bool allZero = (rawData.Where(x => x > 0).Count() == 0);
                     if (allZero)
                     {
-                        currReadErrors += 3;
+                        currReadErrors += 5;
 #if false
                         allOk = false;
 #endif
                     }
                     // salvo in LUT la versione ESPLOSA 2 byte alla volta...
-#if false
-                    if (allOk && rawData.Length > 0) 
-#endif
                     if (rawData.Length > 0)
                     {
                         for (int i = 0; i < rawData.Length / 2; i++)
diff --git a/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.ini b/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.ini
index 2edfc2a4..70a6de11 100644
--- a/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.ini
+++ b/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.ini
@@ -49,7 +49,7 @@ BLINK_FILT=0
 
 [OPTPAR]
 ;PZCOUNT_MODE=STD.[PAR/MEM].info|BIT.indice
-PZCOUNT_MODE=STD.DB85.DBRE16
+PZCOUNT_MODE=STD.DB85.DBB16
 DISABLE_PZCOUNT=FALSE
 ENABLE_SEND_PZC_BLOCK=TRUE
 MIN_SEND_PZC_BLOCK=0
diff --git a/IOB-WIN-SIEMENS/DATA/CONF/PIZ08.ini b/IOB-WIN-SIEMENS/DATA/CONF/PIZ08.ini
index e74abf17..89c332ba 100644
--- a/IOB-WIN-SIEMENS/DATA/CONF/PIZ08.ini
+++ b/IOB-WIN-SIEMENS/DATA/CONF/PIZ08.ini
@@ -48,7 +48,7 @@ BLINK_FILT=0
 
 [OPTPAR]
 ;PZCOUNT_MODE=STD.[PAR/MEM].info|BIT.indice
-PZCOUNT_MODE=STD.DB85.DBRE16
+PZCOUNT_MODE=STD.DB85.DBB16
 DISABLE_PZCOUNT=FALSE
 ENABLE_SEND_PZC_BLOCK=TRUE
 MIN_SEND_PZC_BLOCK=0