diff --git a/IOB-WIN/IobSiemens.cs b/IOB-WIN/IobSiemens.cs
index 7cbe8ae1..aae391cf 100644
--- a/IOB-WIN/IobSiemens.cs
+++ b/IOB-WIN/IobSiemens.cs
@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Net.NetworkInformation;
+using System.Threading;
 
 namespace IOB_WIN
 {
@@ -306,6 +307,10 @@ namespace IOB_WIN
             lgError(exc, "Errore in INIT PLC S7+");
           }
         }
+        else
+        {
+          Thread.Sleep(utils.CRI("pauseSendMSec"));
+        }
         parentForm.commPlcActive = false;
         // carico conf vettore memoria...
         loadMemConf();
diff --git a/Jenkinsfile b/Jenkinsfile
index 03b02395..85bca810 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -16,7 +16,7 @@ pipeline {
 
       /* calcolo numero versione... diverso x branch MASTER/DEVELOP */
       script {
-        withEnv(['NEXT_BUILD_NUMBER=400']) {
+        withEnv(['NEXT_BUILD_NUMBER=401']) {
           // env.versionNumber = VersionNumber(versionNumberString : '2.3.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true)
           env.versionNumber = VersionNumber(versionNumberString : '2.3.${BUILD_DATE_FORMATTED, "yyMM"}.${BUILDS_ALL_TIME}', projectStartDate : '2006-01-01', skipFailedBuilds: true, overrideBuildsAllTime: '${NEXT_BUILD_NUMBER}')
           env.APP_NAME = 'MAPO-IOB-WIN'