diff --git a/IOB-WIN-NEXT/App.config b/IOB-WIN-NEXT/App.config
index 6b3846da..e98ffce7 100644
--- a/IOB-WIN-NEXT/App.config
+++ b/IOB-WIN-NEXT/App.config
@@ -39,7 +39,7 @@
         <!--gestione coda-->
         <add key="maxQueueFLog" value="16384" />
         <!--parametri SIM-->
-        <add key="waitSimPar" value="5" />
+        <add key="waitSimPar" value="30" />
         <!--<add key="waitSimPar" value="45" />-->
         <!--gestione REDIS-->
         <add key="RedisConn" value="localhost,abortConnect=false,ssl=false" />
diff --git a/IOB-WIN-NEXT/DATA/CONF/SIM_PIZ00.json b/IOB-WIN-NEXT/DATA/CONF/SIM_PIZ00.json
index 9534a73f..c929fe76 100644
--- a/IOB-WIN-NEXT/DATA/CONF/SIM_PIZ00.json
+++ b/IOB-WIN-NEXT/DATA/CONF/SIM_PIZ00.json
@@ -39,8 +39,8 @@
             "description": "Livello Serbatoio",
             "tipoMem": "Real",
             "minVal": 5000,
-            "maxVal": 250000,
-            "factor": 1
+            "maxVal": 25000,
+            "factor": 5
         },
         "PressBH": {
             "name": "SIM_PressBH",
diff --git a/IOB-WIN-NEXT/IobSimula.cs b/IOB-WIN-NEXT/IobSimula.cs
index 8d771f5f..41968dad 100644
--- a/IOB-WIN-NEXT/IobSimula.cs
+++ b/IOB-WIN-NEXT/IobSimula.cs
@@ -672,17 +672,42 @@ namespace IOB_WIN_NEXT
                     {
                         foreach (var item in memMap.mMapRead)
                         {
-                            if (item.Value.factor == 1)
+                            // se il TIPO di valore è livello --> simulo variazione da MAX --> min, con un delta in CALO pari a factor * (80-120)%
+                            if (item.Value.name == "SIM_LEVEL")
                             {
-                                // uso factor come valore MAX ammesso
-                                int randVal = rnd.Next(item.Value.minVal, item.Value.maxVal);
-                                outVal.Add(item.Key, randVal.ToString());
+                                // verifico last value
+                                float lastVal = 0;
+                                float.TryParse(item.Value.value, out lastVal);
+                                if (lastVal == 0)
+                                {
+                                    lastVal = item.Value.maxVal - item.Value.factor;
+                                }
+                                // decremento casuale...
+                                float newVal = lastVal - ((float)item.Value.factor * rnd.Next(80, 120) / 100);
+                                // se inferiore a minimo --> massimo!
+                                if (newVal < item.Value.minVal)
+                                {
+                                    newVal = item.Value.maxVal;
+                                }
+                                // salvo il suo VALUE...
+                                item.Value.value = $"{newVal}";
+                                outVal.Add(item.Key, $"{newVal}");
                             }
+                            // altrimenti siulazione random walk...
                             else
                             {
-                                // uso factor come fattore di divisione x simulare decimali
-                                float randVal = ((float)rnd.Next(item.Value.minVal, item.Value.maxVal)) / item.Value.factor;
-                                outVal.Add(item.Key, randVal.ToString());
+                                if (item.Value.factor == 1)
+                                {
+                                    // uso factor come valore MAX ammesso
+                                    int randVal = rnd.Next(item.Value.minVal, item.Value.maxVal);
+                                    outVal.Add(item.Key, randVal.ToString());
+                                }
+                                else
+                                {
+                                    // uso factor come fattore di divisione x simulare decimali
+                                    float randVal = ((float)rnd.Next(item.Value.minVal, item.Value.maxVal)) / item.Value.factor;
+                                    outVal.Add(item.Key, randVal.ToString());
+                                }
                             }
                         }
                     }
@@ -700,8 +725,8 @@ namespace IOB_WIN_NEXT
         /// <returns></returns>
         public override string getPrgName()
         {
-            // valore non presente in vers default... se gestito fare override
-            string prgName = string.Format("DEMO_{0:00}", DateTime.Now.Minute);
+            // NOME DEL SIM!
+            string prgName = $"PROG_{cIobConf.codIOB}";
             return prgName;
         }