diff --git a/code/components/jomjol_flowcontroll/ClassFlowCNNGeneral.cpp b/code/components/jomjol_flowcontroll/ClassFlowCNNGeneral.cpp
index 661ce729..64dc63cc 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowCNNGeneral.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowCNNGeneral.cpp
@@ -127,6 +127,35 @@ string ClassFlowCNNGeneral::getReadout(int _analog = 0, bool _extendedResolution
     return result;
 }
 
+
+string ClassFlowCNNGeneral::getReadoutRawString(int _analog) 
+{
+    string rt = "";
+
+    if (GENERAL[_analog]->ROI.size() == 0)
+        return rt;
+ 
+    for (int i = GENERAL[_analog]->ROI.size() - 1; i >= 0; --i)
+    {
+        if (CNNType == Analogue || CNNType == Analogue100)
+        {
+            rt = rt + "\t" + std::to_string(GENERAL[_analog]->ROI[i]->result_float);
+        }
+
+        if (CNNType == Digital)
+        {
+            rt = rt + "\t" + std::to_string(GENERAL[_analog]->ROI[i]->result_klasse);
+        }
+
+        if ((CNNType == DoubleHyprid10) || (CNNType == Digital100))
+        {
+            rt = rt + "\t" + std::to_string(GENERAL[_analog]->ROI[i]->result_float);
+        }
+    }
+    return rt;
+}
+
+
 int ClassFlowCNNGeneral::ZeigerEvalHybridNeu(float zahl, float zahl_vorgaenger, int eval_vorgaenger, bool AnalogerVorgaenger)
 {
     int result;
diff --git a/code/components/jomjol_flowcontroll/ClassFlowCNNGeneral.h b/code/components/jomjol_flowcontroll/ClassFlowCNNGeneral.h
index 055df5e3..20b9ea8f 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowCNNGeneral.h
+++ b/code/components/jomjol_flowcontroll/ClassFlowCNNGeneral.h
@@ -58,7 +58,9 @@ public:
     bool doFlow(string time);
 
     string getHTMLSingleStep(string host);
-    string getReadout(int _analog, bool _extendedResolution = false, int prev = -1, float _vorgaengerAnalog = -1);   
+    string getReadout(int _analog, bool _extendedResolution = false, int prev = -1, float _vorgaengerAnalog = -1); 
+
+    string getReadoutRawString(int _analog);  
 
     void DrawROI(CImageBasis *_zw); 
 
diff --git a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
index e0b900eb..8990b687 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
@@ -803,12 +803,26 @@ bool ClassFlowPostProcessing::doFlow(string zwtime)
 
         string _zw = "PostProcessing - Raw: " + NUMBERS[j]->ReturnRawValue + " Value: " + NUMBERS[j]->ReturnValue + " Error: " + NUMBERS[j]->ErrorMessageText;
         LogFile.WriteToFile(_zw);
+        WriteDataLog(j);
     }
 
     SavePreValue();
     return true;
 }
 
+void ClassFlowPostProcessing::WriteDataLog(int _analog)
+{
+    string analog = "";
+    string digital = "";
+    if (flowAnalog)
+        analog = flowAnalog->getReadout(_analog);
+    if (flowDigit)
+        digital = flowDigit->getReadout(_analog);
+//    LogFile.WriteToFile(analog);
+    LogFile.WriteToData(NUMBERS[_analog]->ReturnRawValue, NUMBERS[_analog]->ReturnValue, NUMBERS[_analog]->ErrorMessageText, digital, analog);
+
+}
+
 
 void ClassFlowPostProcessing::UpdateNachkommaDecimalShift()
 {
@@ -989,3 +1003,5 @@ string ClassFlowPostProcessing::getReadoutError(int _number)
 {
     return NUMBERS[_number]->ErrorMessageText;
 }
+
+
diff --git a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.h b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.h
index 9d63804b..66e1d0bc 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.h
+++ b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.h
@@ -42,6 +42,10 @@ protected:
     void handleDecimalExtendedResolution(string _decsep, string _value); 
     void handleMaxRateType(string _decsep, string _value);
 
+    std::string GetStringReadouts(general);
+
+    void WriteDataLog(int _analog);
+
 
 
 
diff --git a/code/components/jomjol_logfile/ClassLogFile.cpp b/code/components/jomjol_logfile/ClassLogFile.cpp
index 3d3605d9..826d3c4f 100644
--- a/code/components/jomjol_logfile/ClassLogFile.cpp
+++ b/code/components/jomjol_logfile/ClassLogFile.cpp
@@ -16,7 +16,7 @@ extern "C" {
 
 static const char *TAG = "log";
 
-ClassLogFile LogFile("/sdcard/log/message", "log_%Y-%m-%d.txt");
+ClassLogFile LogFile("/sdcard/log/message", "log_%Y-%m-%d.txt", "/sdcard/log/data", "data_%Y-%m-%d.txt");
 
 void ClassLogFile::WriteHeapInfo(std::string _id)
 {
@@ -62,6 +62,59 @@ std::string ClassLogFile::getESPHeapInfo(){
 	return 	espInfoResultStr;
 }
 
+void ClassLogFile::WriteToData(std::string _ReturnRawValue, std::string _ReturnValue, std::string _ErrorMessageText, std::string _digital, std::string _analog)
+{
+    time_t rawtime;
+    struct tm* timeinfo;
+    char buffer[30];
+
+    time(&rawtime);
+    timeinfo = localtime(&rawtime);
+
+    strftime(buffer, 30, datafile.c_str(), timeinfo);
+    std::string logpath = dataroot + "/" + buffer; 
+    
+    FILE* pFile;
+    std::string zwtime;
+
+    if (!doLogFile){
+        return;
+    }
+
+    pFile = fopen(logpath.c_str(), "a+");
+
+    if (pFile!=NULL) {
+        time_t rawtime;
+        struct tm* timeinfo;
+        char buffer[80];
+
+        time(&rawtime);
+        timeinfo = localtime(&rawtime);
+
+        strftime(buffer, 80, "%Y-%m-%dT%H:%M:%S", timeinfo);
+
+        zwtime = std::string(buffer) + ":";
+        fputs(zwtime.c_str(), pFile);
+        fputs(_ReturnRawValue.c_str(), pFile);
+        fputs("\t", pFile);
+        fputs(_ReturnValue.c_str(), pFile);
+        fputs("\t", pFile);
+        fputs(_ErrorMessageText.c_str(), pFile);
+        fputs("\t", pFile);
+        fputs(_digital.c_str(), pFile);
+        fputs("\t", pFile);
+        fputs(_analog.c_str(), pFile);
+        fputs("\t", pFile);
+        fputs("\n", pFile);
+
+        fclose(pFile);    
+    } else {
+        ESP_LOGI(TAG, "Can't open data file %s", logpath.c_str());
+    }
+
+}
+
+
 void ClassLogFile::WriteToDedicatedFile(std::string _fn, std::string info, bool _time)
 {
     FILE* pFile;
@@ -161,6 +214,8 @@ void ClassLogFile::RemoveOld()
     rawtime = addDays(rawtime, -retentionInDays);
     timeinfo = localtime(&rawtime);
     
+
+//////////////////////  message /////////////////////////////////////////
     strftime(cmpfilename, 30, logfile.c_str(), timeinfo);
     //ESP_LOGE(TAG, "log file name to compare: %s", cmpfilename);
 
@@ -191,12 +246,46 @@ void ClassLogFile::RemoveOld()
     }
     ESP_LOGI(TAG, "%d older log files deleted. %d current log files not deleted.", deleted, notDeleted);
     closedir(dir);
+
+
+//////////////////////  data /////////////////////////////////////////
+    strftime(cmpfilename, 30, datafile.c_str(), timeinfo);
+    //ESP_LOGE(TAG, "log file name to compare: %s", cmpfilename);
+
+    dir = opendir(dataroot.c_str());
+    if (!dir) {
+        ESP_LOGI(TAG, "Failed to stat dir : %s", dataroot.c_str());
+        return;
+    }
+
+    deleted = 0;
+    notDeleted = 0;
+    while ((entry = readdir(dir)) != NULL) {
+        if (entry->d_type == DT_REG) {
+            //ESP_LOGI(TAG, "list log file : %s %s", entry->d_name, cmpfilename);
+            if ((strlen(entry->d_name) == strlen(cmpfilename)) && (strcmp(entry->d_name, cmpfilename) < 0)) {
+                ESP_LOGI(TAG, "delete data file : %s", entry->d_name);
+                std::string filepath = logroot + "/" + entry->d_name; 
+                if (unlink(filepath.c_str()) == 0) {
+                    deleted ++;
+                } else {
+                    ESP_LOGE(TAG, "can't delete file : %s", entry->d_name);
+                }
+            } else {
+                notDeleted ++;
+            }
+        }
+    }
+    ESP_LOGI(TAG, "%d older log files deleted. %d current log files not deleted.", deleted, notDeleted);
+    closedir(dir);
 }
 
-ClassLogFile::ClassLogFile(std::string _logroot, std::string _logfile)
+ClassLogFile::ClassLogFile(std::string _logroot, std::string _logfile, std::string _logdatapath, std::string _datafile)
 {
     logroot = _logroot;
     logfile =  _logfile;
+    datafile = _datafile;
+    dataroot = _logdatapath;
     doLogFile = true;
     retentionInDays = 10;
     loglevel = 0;
diff --git a/code/components/jomjol_logfile/ClassLogFile.h b/code/components/jomjol_logfile/ClassLogFile.h
index 02401ab6..2a722c6c 100644
--- a/code/components/jomjol_logfile/ClassLogFile.h
+++ b/code/components/jomjol_logfile/ClassLogFile.h
@@ -7,11 +7,13 @@ class ClassLogFile
 private:
     std::string logroot;
     std::string logfile;
+    std::string dataroot;
+    std::string datafile;
     bool doLogFile;
     unsigned short retentionInDays;
     int loglevel;
 public:
-    ClassLogFile(std::string _logpath, std::string _logfile);
+    ClassLogFile(std::string _logpath, std::string _logfile, std::string _logdatapath, std::string _datafile);
 
     std::string getESPHeapInfo();
 
@@ -26,6 +28,9 @@ public:
     void WriteToDedicatedFile(std::string _fn, std::string info, bool _time = true);
     void RemoveOld();
 
+    void WriteToData(std::string _ReturnRawValue, std::string _ReturnValue, std::string _ErrorMessageText, std::string _digital, std::string _analog);
+
+
     std::string GetCurrentFileName();
 };