diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 00000000..56bfaac7
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,165 @@
+variables:
+ NUGET_PATH: 'C:\Tools\nuget.exe'
+ MSBUILD_PATH: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin\MSBuild.exe'
+ ASPNET_MERGE_PATH: 'C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.8 Tools'
+ EXE_RELEASE_FOLDER: 'c:\Projetcs\Compiled\GPW\Release'
+ DEPLOY_FOLDER: 'c:\Projects\Deploy\GPW\Builds'
+ NEXUS_PATH: 'MAPO/IOB-WIN-NEXT'
+ APP_NAME: 'IOB-WIN-NEXT'
+ VERS_MAIN: '3.5'
+ NEW_REL: ''
+ OUTPUT_DIR: ''
+
+# helper x fix pacchetti nuget da repo locale nexus.steamware.net
+.nuget-fix: &nuget-fix
+   - |
+      $hasSource = C:\Tools\nuget.exe sources list | find "`"Steamware Nexus`"" /C
+      if ($hasSource -eq 0) {
+         C:\Tools\nuget.exe sources Add -Name "`"Steamware Nexus`"" -Source https://nexus.steamware.net/repository/nuget-group -username "`"nugetUser`"" -password "`"$NEXUS_PASSWD`""
+      } else {
+         C:\Tools\nuget.exe sources Update -Name "`"Steamware Nexus`"" -Source https://nexus.steamware.net/repository/nuget-group -username "`"nugetUser`"" -password "`"$NEXUS_PASSWD`""
+      }
+      echo $hasSource
+ 
+# helper x fix version number
+.version-fix: &version-fix
+   - |
+      $env:NEW_REL = $env:VERS_MAIN+"."+(get-date –format yyMM)+"."+(get-date –format ddHH)
+      $contenuto = Get-Content -path 'VersGen\VersGen.cs' -Raw
+      $newContenuto = $contenuto -replace '0.0.0.0', $env:NEW_REL
+      $newContenuto | Set-Content -Path 'VersGen\VersGen.cs'
+      echo "Set vers: $env:NEW_REL"
+
+# helper pulizia files zip
+.cleanup-zip: &cleanup-zip
+   - |
+      $env:OUTPUT_DIR = "Releases\" + $CI_COMMIT_BRANCH + "\*"
+      if ((Test-Path $env:OUTPUT_DIR))
+      {
+        Remove-Item $env:OUTPUT_DIR -Force -Recurse -ErrorAction Ignore
+      }
+      echo "Clening ZIP dir: $env:OUTPUT_DIR"
+
+# helper creazione files zip
+.zipper: &zipper
+   - |
+      $7zipPath = $env:ProgramFiles+"\7-Zip\7z.exe"
+      if (-not (Test-Path -Path $7zipPath -PathType Leaf)) {
+          throw "7 zip file '$7zipPath' not found"
+      }
+      Set-Alias 7zip $7zipPath
+      $Target = "Releases\" + $CI_COMMIT_BRANCH + "\" + $env:APP_NAME + ".zip"
+      $Source = "$env:APP_NAME\bin\*"
+      7zip a -tzip $Target $Source
+      echo "called ZIP $Source --> $Target"      
+      
+# helper creazione hash files
+.hashBuild: &hashBuild
+   - |
+      $Target = "Releases\" + $CI_COMMIT_BRANCH + "\" + $env:APP_NAME + ".zip"
+      $MD5 = Get-FileHash $Target -Algorithm MD5
+      $SHA1 = Get-FileHash $Target -Algorithm SHA1
+      New-Item $Target".md5"
+      New-Item $Target".sha1"
+      $MD5.Hash | Set-Content -Path $Target".md5"
+      $SHA1.Hash | Set-Content -Path $Target".sha1"
+
+      echo "Created HASH files for $Target"      
+
+# helper x send su NEXUS
+      # $File2Send = "Releases\" + $CI_COMMIT_BRANCH + "\" + $env:APP_NAME + ".zip"
+      # mCurl -v -u GitLab:$NEXUS_PASSWD --upload-file $File2Send https://nexus.steamware.net/repository/utility/$env:NEXUS_PATH/$version/$env:APP_NAME-$version.zip
+      # mCurl -v -u GitLab:$NEXUS_PASSWD --upload-file $File2Send".md5" https://nexus.steamware.net/repository/utility/$env:NEXUS_PATH/$version/$env:APP_NAME-$version.zip".md5"
+      # mCurl -v -u GitLab:$NEXUS_PASSWD --upload-file $File2Send".sha1" https://nexus.steamware.net/repository/utility/$env:NEXUS_PATH/$version/$env:APP_NAME-$version.zip".sha1"
+.nexusUpload: &nexusUpload
+   - |
+      Set-Alias mCurl  C:\Windows\system32\curl.exe
+      if($CI_COMMIT_BRANCH -eq "master")
+      {
+        $version = "stable"
+      }
+      else
+      {
+        $version = "unstable"
+      }
+      $File2Send = "Releases\" + $CI_COMMIT_BRANCH + "\" + $env:APP_NAME + ".*"
+      ForEach ($File in $File2Send) {
+        $FileName = Split-Path $File -leaf
+        mCurl -v -u GitLab:$NEXUS_PASSWD --upload-file $File https://nexus.steamware.net/repository/SWS/$env:NEXUS_PATH/$version/LAST/$FileName
+        mCurl -v -u GitLab:$NEXUS_PASSWD --upload-file $File https://nexus.steamware.net/repository/SWS/$env:NEXUS_PATH/$version/ARCHIVE/$VersNumb/$FileName
+      }
+      mCurl -v -u GitLab:$NEXUS_PASSWD --upload-file "Resources\manifest.xml" https://nexus.steamware.net/repository/SWS/$env:NEXUS_PATH/$version/LAST/manifest.xml
+      mCurl -v -u GitLab:$NEXUS_PASSWD --upload-file "Resources\ChangeLog.html" https://nexus.steamware.net/repository/SWS/$env:NEXUS_PATH/$version/LAST/ChangeLog.html
+  
+# mCurl -v -u $env:NEXUS_USER:$env:NEXUS_PASSWD --upload-file bin/release/$env:APP_NAME.zip $env:NEXUS_SERVER/utility/$env:NEXUS_PATH/$version/$env:APP_NAME-$version.zip
+
+stages:
+ - build
+#  - deploy
+         
+# IOB:build:
+#  stage: build
+#  tags:
+#    - win
+#  variables:
+#   APP_NAME: IOB-WIN
+#  before_script:
+#    - *nuget-fix
+#    - '& "$env:NUGET_PATH" restore "$env:APP_NAME.sln"-verbosity quiet'
+#    - *version-fix
+#  script:  
+#     - '& "$env:MSBUILD_PATH" "$env:APP_NAME\$env:APP_NAME.csproj" -target:Build /p:Configuration=Release /p:Platform="x86" /p:OutputPath=bin/ /verbosity:minimal /m'
+
+IOB-NEXT:build:
+ stage: build
+ tags:
+   - win
+ variables:
+  APP_NAME: IOB-WIN-NEXT
+ before_script:
+   - *nuget-fix
+   - echo "Chiamata comando nuget-restore"
+   - echo "'& "$env:NUGET_PATH" restore "$env:APP_NAME.sln" -verbosity quiet'"
+  #  - '& "$env:NUGET_PATH" restore "$env:APP_NAME.sln"'
+   - '& "$env:NUGET_PATH" restore "$env:APP_NAME.sln" -verbosity quiet'
+   - *version-fix
+ script:  
+    - '& "$env:MSBUILD_PATH" "$env:APP_NAME\$env:APP_NAME.csproj" -target:Build /p:Configuration=Release /p:Platform="x86" /p:OutputPath=bin/ /verbosity:minimal /m'
+
+# IOB:deploy:
+#  stage: deploy
+#  tags:
+#    - win
+#  variables:
+#   APP_NAME: IOB-WIN
+#  before_script:
+#    - *nuget-fix
+#    - '& "$env:NUGET_PATH" restore "$env:APP_NAME.sln"-verbosity quiet'
+#    - *version-fix
+#    - *cleanup-zip
+#  script:  
+#     - '& "$env:MSBUILD_PATH" "$env:APP_NAME\$env:APP_NAME.csproj" -target:Build /p:Configuration=Release /p:Platform="x86" /p:OutputPath=bin/ /verbosity:minimal /m'
+#     - *zipper
+#     - *hashBuild
+#     - *nexusUpload
+#  needs: ["IOB:build"]
+ 
+# IOB-NEXT:deploy:
+#  stage: deploy
+#  tags:
+#    - win
+#  variables:
+#   APP_NAME: IOB-WIN-NEXT
+#  before_script:
+#    - *nuget-fix
+#    - echo "Chiamata comando nuget-restore"
+#    - echo "'& "$env:NUGET_PATH" restore "$env:APP_NAME.sln"-verbosity quiet'"
+#    - '& "$env:NUGET_PATH" restore "$env:APP_NAME.sln"-verbosity quiet'
+#    - *version-fix
+#    - *cleanup-zip
+#  script:  
+#     - '& "$env:MSBUILD_PATH" "$env:APP_NAME\$env:APP_NAME.csproj" -target:Build /p:Configuration=Release /p:Platform="x86" /p:OutputPath=bin/ /verbosity:minimal /m'
+#     - *zipper
+#     - *hashBuild
+#     - *nexusUpload
+#  needs: ["IOB-NEXT:build"]
\ No newline at end of file
diff --git a/CVCncLib/CVCncLib.dll b/CVCncLib/CVCncLib.dll
index 77ac5221..ae705099 100644
Binary files a/CVCncLib/CVCncLib.dll and b/CVCncLib/CVCncLib.dll differ
diff --git a/IOB-WIN-NEXT/DATA/CONF/PIZ04.ini b/IOB-WIN-NEXT/DATA/CONF/PIZ04.ini
index b2c6e223..5bb1ff68 100644
--- a/IOB-WIN-NEXT/DATA/CONF/PIZ04.ini
+++ b/IOB-WIN-NEXT/DATA/CONF/PIZ04.ini
@@ -55,6 +55,8 @@ MAX_SEND_PZC_BLOCK=100
 ; GEST DATI DYN
 ENABLE_DYN_DATA=TRUE
 FORCE_DYN_DATA=TRUE
+; gestione delta minimo accettabile tra min/MAX
+DELTA_VAL=0.1
 
 ; clock base (da 10ms)
 timerIntMs=100
diff --git a/IOB-WIN-NEXT/DATA/CONF/PIZ05.ini b/IOB-WIN-NEXT/DATA/CONF/PIZ05.ini
index 2c2f56ef..115e8aff 100644
--- a/IOB-WIN-NEXT/DATA/CONF/PIZ05.ini
+++ b/IOB-WIN-NEXT/DATA/CONF/PIZ05.ini
@@ -55,6 +55,8 @@ MAX_SEND_PZC_BLOCK=100
 ; GEST DATI DYN
 ENABLE_DYN_DATA=TRUE
 FORCE_DYN_DATA=TRUE
+; gestione delta minimo accettabile tra min/MAX
+DELTA_VAL=0.1
 
 ; clock base (da 10ms)
 timerIntMs=100
diff --git a/IOB-WIN-NEXT/IobModbusTCP.cs b/IOB-WIN-NEXT/IobModbusTCP.cs
index ef5ade76..cbf13c13 100644
--- a/IOB-WIN-NEXT/IobModbusTCP.cs
+++ b/IOB-WIN-NEXT/IobModbusTCP.cs
@@ -21,6 +21,15 @@ namespace IOB_WIN_NEXT
 
     public class IobModbusTCP : IobGeneric
     {
+        #region Private Fields
+
+        /// <summary>
+        /// Valore delta x gestione min/MAX e valore rilevato
+        /// </summary>
+        private double deltaVal = 0;
+
+        #endregion Private Fields
+
         #region Protected Fields
 
         protected ModbusClient currPLC;
@@ -222,8 +231,8 @@ namespace IOB_WIN_NEXT
                     default:
                         break;
                 }
-                // verifica limite...
-                dataOk = (valore > item.Value.minVal && valore < item.Value.maxVal);
+                // verifica limite... con delta da impianto
+                dataOk = (valore > (item.Value.minVal + deltaVal) && valore < (item.Value.maxVal - deltaVal));
                 if (dataOk)
                 {
                     // moltiplico x fattore conversione...
@@ -496,6 +505,12 @@ namespace IOB_WIN_NEXT
                     parentForm.commPlcActive = false;
                     // carico conf vettore memoria...
                     loadMemConf();
+                    // aggiungo DELTA x calcolo min/MAX...
+                    string deltaValStr = getOptPar("DELTA_VAL");
+                    if (!string.IsNullOrEmpty(deltaValStr))
+                    {
+                        double.TryParse(deltaValStr, out deltaVal);
+                    }
                     bool enableByApp = utils.CRB("enableContapezzi");
                     bool enableByIob = (getOptPar("ENABLE_PZCOUNT") == "TRUE");
                     bool disableByIob = (getOptPar("DISABLE_PZCOUNT") == "TRUE");
@@ -686,6 +701,11 @@ namespace IOB_WIN_NEXT
                             {
                                 readErrorList = getDataDictionary(readErrorList, false, ref outVal);
                             }
+                            // se avessi acnora errori --> disconnetto
+                            if (readErrorList.Count > 0)
+                            {
+                                tryDisconnect();
+                            }
                         }
                         else
                         {