diff --git a/MP-TAB3/Components/MachineBlock.razor.cs b/MP-TAB3/Components/MachineBlock.razor.cs
index 8e9e633a..10b5c90d 100644
--- a/MP-TAB3/Components/MachineBlock.razor.cs
+++ b/MP-TAB3/Components/MachineBlock.razor.cs
@@ -28,17 +28,33 @@ namespace MP_TAB3.Components
         public string IdxMacchSub { get; set; } = "";
 
         [Parameter]
-        public int keepAliveMin { get; set; } = 5;
+        public int KeepAliveMin { get; set; } = 5;
 
         [Parameter]
         public MappaStatoExpl? RecMSE { get; set; } = null;
 
         [Parameter]
-        public bool showCard { get; set; }
+        public bool ShowCard { get; set; }
 
         [Parameter]
         public int Width { get; set; } = 0;
 
+        private bool LastFullMode = true;
+        private MappaStatoExpl? LastRecMSE = null;
+        private bool LastShowCard = true;
+        private int LastKeepAliveMin = 5;
+        private string LastIdxMacchSub = "";
+
+        /// <summary>
+        /// Info correnti secondo tipo selezione
+        /// </summary>
+        private MappaStatoExpl? CRecMSE
+        {
+            get => string.IsNullOrEmpty(IdxMacchSub) ? RecMSE : RecMSESub;
+        }
+
+        private MappaStatoExpl? RecMSESub { get; set; } = null;
+
         #endregion Public Properties
 
         #region Public Methods
@@ -244,6 +260,8 @@ namespace MP_TAB3.Components
         protected override async Task OnInitializedAsync()
         {
             isLoading = true;
+            // salvo i parametri precedenti x calcolare variazioni...
+            saveParams();
             // abilitazione disegni...
             TabDServ.ConfigGetVal("enableDisegno", ref enableDisegno);
             await ReloadXDL(true);
@@ -260,35 +278,73 @@ namespace MP_TAB3.Components
             await Task.Delay(1);
         }
 
+        private void saveParams()
+        {
+            LastIdxMacchSub = IdxMacchSub;
+            LastRecMSE = RecMSE;
+            LastFullMode = FullMode;
+            LastShowCard = ShowCard;
+            LastKeepAliveMin = KeepAliveMin;
+        }
+
+        /// <summary>
+        /// Verifica variazione parametri
+        /// </summary>
+        /// <returns></returns>
+        private bool paramsChanged()
+        {
+            if (LastFullMode != FullMode)
+                return true;
+            if (LastKeepAliveMin != KeepAliveMin)
+                return true;
+            if (LastShowCard != ShowCard)
+                return true;
+            if (LastIdxMacchSub != IdxMacchSub)
+                return true;
+            if (LastRecMSE != RecMSE)
+                return true;
+
+            return false;
+        }
+
         protected override async Task OnParametersSetAsync()
         {
-            DateTime adesso = DateTime.Now;
-            isLoading = RecMSE == null;
-            // controllo SE ho variazioni cosė rileggo
-            if (RecMSE != null)
+            // controllo variazione parametri...
+            if (paramsChanged())
             {
-                if (SDService.MachNumPzGet(RecMSE.IdxMacchina) != RecMSE.PezziProd || SDService.MachProdStGet(RecMSE.IdxMacchina).IdxOdl != RecMSE.IdxOdl || (datiProdAct != null && datiProdAct.PzTotODL != RecMSE.PezziProd))
+                saveParams();
+                DateTime adesso = DateTime.Now;
+                isLoading = RecMSE == null;
+                // controllo SE ho variazioni cosė rileggo
+                if (RecMSE != null)
                 {
-                    datiProdAct = await TabDServ.StatoProdMacchina(RecMSE.IdxMacchina, adesso);
-                    SDService.MachProdStSet(RecMSE.IdxMacchina, datiProdAct);
-                    SDService.MachNumPzSet(RecMSE.IdxMacchina, RecMSE.PezziProd);
+                    if (SDService.MachNumPzGet(RecMSE.IdxMacchina) != RecMSE.PezziProd || SDService.MachProdStGet(RecMSE.IdxMacchina).IdxOdl != RecMSE.IdxOdl || (datiProdAct != null && datiProdAct.PzTotODL != RecMSE.PezziProd))
+                    {
+                        datiProdAct = await TabDServ.StatoProdMacchina(RecMSE.IdxMacchina, adesso);
+                        SDService.MachProdStSet(RecMSE.IdxMacchina, datiProdAct);
+                        SDService.MachNumPzSet(RecMSE.IdxMacchina, RecMSE.PezziProd);
+                    }
+                    else
+                    {
+                        datiProdAct = SDService.MachProdStGet(RecMSE.IdxMacchina);
+                    }
+
+                    if (string.IsNullOrEmpty(IdxMaccSel))
+                    {
+                        IdxMaccSel = RecMSE.IdxMacchina;
+                    }
+                    isMulti = SMServ.DictMacchMulti[RecMSE.IdxMacchina] == 1;
+                }
+                if (!string.IsNullOrEmpty(IdxMacchSub) && RecMSE != null)
+                {
+                    RecMSESub = TabDServ.MseGetSub(RecMSE.IdxMacchina, IdxMacchSub, true);
                 }
                 else
                 {
-                    datiProdAct = SDService.MachProdStGet(RecMSE.IdxMacchina);
+                    RecMSESub = RecMSE;
                 }
-
-                if (string.IsNullOrEmpty(IdxMaccSel))
-                {
-                    IdxMaccSel = RecMSE.IdxMacchina;
-                }
-                isMulti = SMServ.DictMacchMulti[RecMSE.IdxMacchina] == 1;
+                setGaugeVals();
             }
-            if (!string.IsNullOrEmpty(IdxMacchSub) && RecMSE != null)
-            {
-                RecMSE = TabDServ.MseGetSub(RecMSE.IdxMacchina, IdxMacchSub, true);
-            }
-            setGaugeVals();
         }
 
         protected void setGaugeVals()
@@ -406,7 +462,7 @@ namespace MP_TAB3.Components
         {
             DateTime lastUpdate = lastUpdateN.HasValue ? (DateTime)lastUpdateN : DateTime.Now.AddHours(-1);
             string answ = cssStatus(semaforo);
-            if (DateTime.Now.Subtract(lastUpdate).TotalSeconds > (keepAliveMin * kaFactor))
+            if (DateTime.Now.Subtract(lastUpdate).TotalSeconds > (KeepAliveMin * kaFactor))
             {
                 answ = $"{baseCss}Ro";
                 // blink se secondo pari...
diff --git a/MP-TAB3/MP-TAB3.csproj b/MP-TAB3/MP-TAB3.csproj
index 0021cee7..d3746fcf 100644
--- a/MP-TAB3/MP-TAB3.csproj
+++ b/MP-TAB3/MP-TAB3.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <Nullable>enable</Nullable>
-      <Version>6.16.2503.709</Version>
+      <Version>6.16.2503.712</Version>
     <ImplicitUsings>enable</ImplicitUsings>
     <RootNamespace>MP_TAB3</RootNamespace>
   </PropertyGroup>
diff --git a/MP-TAB3/Pages/StatusMap.razor b/MP-TAB3/Pages/StatusMap.razor
index 22989052..bd01ee07 100644
--- a/MP-TAB3/Pages/StatusMap.razor
+++ b/MP-TAB3/Pages/StatusMap.razor
@@ -36,7 +36,7 @@
             {
                 currIdx++;
                 <div class="col ps-0 pe-1">
-                    <MachineBlock RecMSE="@item" FullMode="true" Width="@Width" Height="@Height" showCard="@ShowCard" doBlink="@doBlink"></MachineBlock>
+                    <MachineBlock RecMSE="@item" FullMode="true" Width="@Width" Height="@Height" ShowCard="@ShowCard" doBlink="@doBlink"></MachineBlock>
                 </div>
                 @if (currIdx >= maxBlocks)
                 {
diff --git a/MP-TAB3/Resources/ChangeLog.html b/MP-TAB3/Resources/ChangeLog.html
index 1f22f900..67a1420b 100644
--- a/MP-TAB3/Resources/ChangeLog.html
+++ b/MP-TAB3/Resources/ChangeLog.html
@@ -1,6 +1,6 @@
 <body>
     <i>Modulo MAPOSPEC </i>
-    <h4>Versione: 6.16.2503.709</h4>
+    <h4>Versione: 6.16.2503.712</h4>
     <br /> Note di rilascio:
     <ul>
         <li>
diff --git a/MP-TAB3/Resources/VersNum.txt b/MP-TAB3/Resources/VersNum.txt
index c7f8b226..75d36873 100644
--- a/MP-TAB3/Resources/VersNum.txt
+++ b/MP-TAB3/Resources/VersNum.txt
@@ -1 +1 @@
-6.16.2503.709
+6.16.2503.712
diff --git a/MP-TAB3/Resources/manifest.xml b/MP-TAB3/Resources/manifest.xml
index 034531e3..2b8d53ab 100644
--- a/MP-TAB3/Resources/manifest.xml
+++ b/MP-TAB3/Resources/manifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <item>
-  <version>6.16.2503.709</version>
+  <version>6.16.2503.712</version>
   <url>https://nexus.steamware.net/repository/SWS/MP-TAB3/stable/LAST/MP-TAB3.zip</url>
   <changelog>https://nexus.steamware.net/repository/SWS/MP-TAB3/stable/LAST/ChangeLog.html</changelog>
   <mandatory>false</mandatory>