diff --git a/IOB-WIN-SIEMENS/DATA/CONF/MAIN.ini b/IOB-WIN-SIEMENS/DATA/CONF/MAIN.ini
index 493281a4..86a6b0d6 100644
--- a/IOB-WIN-SIEMENS/DATA/CONF/MAIN.ini
+++ b/IOB-WIN-SIEMENS/DATA/CONF/MAIN.ini
@@ -35,8 +35,8 @@ CLI_INST=SteamWareSim
 ;STARTLIST=VL25
 ;STARTLIST=GT554
 ;STARTLIST=PIZ08
-STARTLIST=PIZ03
 ;STARTLIST=iBTB1P
+STARTLIST=PIZ03
 
 MAXCNC=10
 
diff --git a/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.ini b/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.ini
index 95a0c8d4..3a813e0a 100644
--- a/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.ini
+++ b/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.ini
@@ -57,6 +57,7 @@ MAX_SEND_PZC_BLOCK=100
 ENABLE_DYN_DATA=TRUE
 FORCE_DYN_DATA=TRUE
 COPY_DYN2PROD_DATA =TRUE
+WRITE_CHECK=TRUE
 
 ; clock base (da 10ms)
 timerIntMs=20
diff --git a/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.json b/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.json
index 1325fc6b..24fd56f5 100644
--- a/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.json
+++ b/IOB-WIN-SIEMENS/DATA/CONF/PIZ03.json
@@ -231,7 +231,7 @@
       "tipoMem": "Real",
       "index": 152,
       "size": 4,
-      "func": "MAX",
+      "func": "MEDIAN",
       "period": 60,
       "factor": 1,
       "unit": "C"
@@ -243,7 +243,7 @@
       "tipoMem": "Real",
       "index": 156,
       "size": 4,
-      "func": "MAX",
+      "func": "MEDIAN",
       "period": 60,
       "factor": 1,
       "unit": "C"
diff --git a/IOB-WIN-SIEMENS/DATA/CONF/PIZ08.ini b/IOB-WIN-SIEMENS/DATA/CONF/PIZ08.ini
index 89c332ba..203d3692 100644
--- a/IOB-WIN-SIEMENS/DATA/CONF/PIZ08.ini
+++ b/IOB-WIN-SIEMENS/DATA/CONF/PIZ08.ini
@@ -57,6 +57,7 @@ MAX_SEND_PZC_BLOCK=100
 ENABLE_DYN_DATA=TRUE
 FORCE_DYN_DATA=TRUE
 COPY_DYN2PROD_DATA =TRUE
+WRITE_CHECK=TRUE
 
 ; clock base (da 10ms)
 timerIntMs=20
diff --git a/IOB-WIN-SIEMENS/IobSiemens/Siemens.cs b/IOB-WIN-SIEMENS/IobSiemens/Siemens.cs
index 57699ec4..81e88e82 100644
--- a/IOB-WIN-SIEMENS/IobSiemens/Siemens.cs
+++ b/IOB-WIN-SIEMENS/IobSiemens/Siemens.cs
@@ -1399,6 +1399,7 @@ namespace IOB_WIN_SIEMENS.IobSiemens
                                     item.value = item.reqValue;
                                     item.reqValue = "";
                                     item.lastRead = DateTime.Now;
+                                    item.writable = true;
                                 }
                                 // se configurato faccio verifica write...
                                 if (getOptPar("WRITE_CHECK") == "TRUE")
diff --git a/IOB-WIN-SIEMENS/packages.config b/IOB-WIN-SIEMENS/packages.config
index cd1d0f1e..793fb325 100644
--- a/IOB-WIN-SIEMENS/packages.config
+++ b/IOB-WIN-SIEMENS/packages.config
@@ -7,7 +7,7 @@
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net462" />
   <package id="NLog" version="5.3.4" targetFramework="net462" />
   <package id="Pipelines.Sockets.Unofficial" version="2.2.8" targetFramework="net472" />
-  <package id="S7netplus" version="0.1.9" targetFramework="net462" />
+  <package id="S7netplus" version="0.1.9" targetFramework="net472" />
   <package id="StackExchange.Redis" version="2.10.1" targetFramework="net472" />
   <package id="System.Buffers" version="4.6.1" targetFramework="net472" />
   <package id="System.Diagnostics.DiagnosticSource" version="9.0.0" targetFramework="net462" />