diff --git a/IOB-WIN-NEXT/DATA/CONF/GIACO_CENTERFRIGO.ini b/IOB-WIN-NEXT/DATA/CONF/GIACO_CENTERFRIGO.ini
index 69a05ce9..6652c783 100644
--- a/IOB-WIN-NEXT/DATA/CONF/GIACO_CENTERFRIGO.ini
+++ b/IOB-WIN-NEXT/DATA/CONF/GIACO_CENTERFRIGO.ini
@@ -60,6 +60,8 @@ DELTA_VAL=0.1
 
 ; clock base (da 10ms)
 timerIntMs=100
+minWait=50
+maxWait=150
 
 ; conf parametri memoria READ/WRITE
 PARAM_CONF=GIACO_CENTERFRIGO.json
diff --git a/IOB-WIN-NEXT/DATA/CONF/GIACO_CENTERFRIGO.json b/IOB-WIN-NEXT/DATA/CONF/GIACO_CENTERFRIGO.json
index 30971171..43f00e0d 100644
--- a/IOB-WIN-NEXT/DATA/CONF/GIACO_CENTERFRIGO.json
+++ b/IOB-WIN-NEXT/DATA/CONF/GIACO_CENTERFRIGO.json
@@ -2,15 +2,57 @@
   "mMapWrite": {
   },
   "mMapRead": {
-    "TempTunnel": {
-      "name": "TempTunnel",
+    "Temp_Tunnel": {
+      "name": "Temp_Tunnel",
       "description": "Temperatura Tunnel",
       "memAddr": "41520",
       "tipoMem": "Real",
       "index": 1520,
       "size": 2,
       "func": "MEDIAN",
-      "period": 10,
+      "period": 60,
+      "factor": 1,
+      "minVal": -100,
+      "maxVal": 100,
+      "unit": "°C"
+    },
+    "SetPoint_Tunnel": {
+      "name": "SetPoint_Tunnel",
+      "description": "Setpoint Tunnel",
+      "memAddr": "41560",
+      "tipoMem": "Real",
+      "index": 1560,
+      "size": 2,
+      "func": "MEDIAN",
+      "period": 60,
+      "factor": 1,
+      "minVal": -100,
+      "maxVal": 100,
+      "unit": "°C"
+    },
+    "Temp_Cella_01": {
+      "name": "Temp_Cella_01",
+      "description": "Temperatura Cella 01",
+      "memAddr": "41660",
+      "tipoMem": "Real",
+      "index": 1660,
+      "size": 2,
+      "func": "MEDIAN",
+      "period": 60,
+      "factor": 1,
+      "minVal": -100,
+      "maxVal": 100,
+      "unit": "°C"
+    },
+    "SetPoint_Cella_01": {
+      "name": "SetPoint_Cella_01",
+      "description": "Setpoint Cella 01",
+      "memAddr": "41700",
+      "tipoMem": "Real",
+      "index": 1700,
+      "size": 2,
+      "func": "MEDIAN",
+      "period": 60,
       "factor": 1,
       "minVal": -100,
       "maxVal": 100,
diff --git a/IOB-WIN-NEXT/IobModbusTCP.cs b/IOB-WIN-NEXT/IobModbusTCP.cs
index f3dc3835..e811c1cd 100644
--- a/IOB-WIN-NEXT/IobModbusTCP.cs
+++ b/IOB-WIN-NEXT/IobModbusTCP.cs
@@ -174,6 +174,11 @@ namespace IOB_WIN_NEXT
         /// </summary>
         public override Dictionary<string, string> getDynData()
         {
+            Random rnd = new Random();
+            int minWait = 50;
+            int maxWait = 50;
+            int.TryParse(getOptPar("minWait"), out minWait);
+            int.TryParse(getOptPar("maxWait"), out maxWait);
             // valore non presente in vers default... se gestito fare override
             Dictionary<string, string> outVal = new Dictionary<string, string>();
             if (utils.CRB("enableTSVC"))
@@ -194,7 +199,8 @@ namespace IOB_WIN_NEXT
                         foreach (var item in memSetR)
                         {
                             readBlockHoldingReg(item.Key, item.Value, parametri.holdRegBaseAddr);
-                            Thread.Sleep(100);
+                            int waitTime = rnd.Next(minWait, maxWait);
+                            Thread.Sleep(waitTime);
                         }
                     }
                     // procedo ...
diff --git a/IOB-WIN-NEXT/IobModbusTCPCenterfrigo.cs b/IOB-WIN-NEXT/IobModbusTCPCenterfrigo.cs
index 653b2892..5ae72b4d 100644
--- a/IOB-WIN-NEXT/IobModbusTCPCenterfrigo.cs
+++ b/IOB-WIN-NEXT/IobModbusTCPCenterfrigo.cs
@@ -23,6 +23,8 @@ namespace IOB_WIN_NEXT
     * lettura:     xxx byte,
     * scrittura    yyy byte
     * G:\Drive condivisi\30_Clienti\Giacovelli - WIL\CenterFrigo
+    * 
+    * ATTENZIONE! leggere al max 44 byte alla volta
     *
     * -------------------------------------------------------------------------------- */