LUXTRONIK2: min/max and cumulative statistics

git-svn-id: https://svn.fhem.de/fhem/trunk@5206 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/FHEM/23_LUXTRONIK2.pm

@@ -39,13 +39,19 @@ use IO::Socket;
 use Time::HiRes qw/ time /;
 use Net::Telnet;
 
+sub LUXTRONIK2_doStatisticThermalPower ($$$$$$$);
+sub LUXTRONIK2_doStatisticMinMax ($$$);
+sub LUXTRONIK2_doStatisticMinMaxSingle ($$$$);
+sub LUXTRONIK2_storeReadings ($$$$$);
+sub LUXTRONIK2_doStatisticDelta ($$$$) ;
+
 # Modul Version for remote debugging
-  my $modulVersion = "2014-02-20";
+  my $modulVersion = "2014-03-03";
 
 #List of firmware versions that are known to be compatible with this modul
   my $testedFirmware = "#V1.54C#V1.60#V1.69#";
   my $compatibleFirmware = "#V1.54C#V1.60#V1.69#";
-
+ 
 sub ########################################
 LUXTRONIK2_Initialize($)
 {
@@ -59,10 +65,11 @@ LUXTRONIK2_Initialize($)
   $hash->{AttrList} = "disable:0,1 ".
                  "allowSetParameter:0,1 ".
                  "autoSynchClock:slider,10,5,300 ".
+                 "boilerVolumn ".
                  "doStatistics:0,1 ".
                  "ignoreFirmwareCheck:0,1 ".
                  "statusHTML ".
-                 $readingFnAttributes;
+                $readingFnAttributes;
 }
 
 sub ########################################
@@ -151,6 +158,7 @@ LUXTRONIK2_Notify(@) {
             hotWaterState => "opStateHotWater",
             heatingSystemCirculationPump => "heatingSystemCircPump",
             hotWaterCirculationPumpExtern => "hotWaterCircPumpExtern",
+            currentThermalOutput => "thermalPower",
             statGradientBoilerTempLoss => "statBoilerGradientHeatUp' and 'statBoilerGradientCoolDown" ); 
       my $oldReading;
       my $newReading;
@@ -192,31 +200,40 @@ LUXTRONIK2_Set($$@)
   my ($hash, $name, $cmd, $val) = @_;
   my $resultStr = "";
   
-  if($cmd eq 'statusRequest') {
+   if($cmd eq 'statusRequest') {
-    $hash->{LOCAL} = 1;
+      $hash->{LOCAL} = 1;
-    LUXTRONIK2_GetUpdate($hash);
+      LUXTRONIK2_GetUpdate($hash);
-    $hash->{LOCAL} = 0;
+      $hash->{LOCAL} = 0;
-    return undef;
+      return undef;
-  }
-  elsif ($cmd eq 'resetStatistics') {
-   if ( ($val eq "all" || $val eq "statBoilerGradientCoolDownMin") 
-         && exists($defs{$name}{READINGS}{statBoilerGradientCoolDownMin})) {
-      delete $defs{$name}{READINGS}{statBoilerGradientCoolDownMin};
-      $resultStr .= " statBoilerGradientCoolDownMin";
    }
-   if ( $resultStr eq "" ) {
+   elsif ($cmd eq 'resetStatistics') {
-      $resultStr = "$name: No statistics to reset";
+      if ( $val eq "statBoilerGradientCoolDownMin" 
-   } else {
+            && exists($hash->{READINGS}{statBoilerGradientCoolDownMin})) {
-      $resultStr = "$name: Statistic value(s) deleted:" . $resultStr;
+         delete $hash->{READINGS}{statBoilerGradientCoolDownMin};
+         $resultStr .= " statBoilerGradientCoolDownMin";
+      }
+      elsif ($val eq 'all') {
+         foreach (sort keys %{ $hash->{READINGS} }) {
+            if ($_ =~ /^\.?stat/ && $_ ne "state") {
+               delete $hash->{READINGS}{$_};
+               $resultStr .= " " . $_;
+            }
+         }
+      }
+      if ( $resultStr eq "" ) {
+         $resultStr = "$name: No statistics to reset";
+      } else {
+         $resultStr = "$name: Statistic value(s) deleted:" . $resultStr;
+         WriteStatefile();
+      }
+      # Log3 $hash, 3, $resultStr;
+      return $resultStr;
+   }
+   elsif($cmd eq 'INTERVAL' && int(@_)==4 ) {
+      $val = 30 if( $val < 30 );
+      $hash->{INTERVAL}=$val;
+      return "Polling interval set to $val seconds.";
    }
-   Log3 $hash, 3, $resultStr;
-   return $resultStr;
-  }
-  elsif($cmd eq 'INTERVAL' && int(@_)==4 ) {
-   $val = 30 if( $val < 30 );
-   $hash->{INTERVAL}=$val;
-   return "Polling interval set to $val seconds.";
-  }
 
   #Check Firmware and Set-Paramter-lock 
   if ($cmd eq 'synchronizeClockHeatPump' ||
@@ -256,12 +273,13 @@ LUXTRONIK2_Set($$@)
       return $resultStr;
    }
 
-  my $list = "statusRequest:noArg".
+  my $list = "statusRequest:noArg"
-          " resetStatistics:all,statBoilerGradientCoolDownMin".
+          ." resetStatistics:all,statBoilerGradientCoolDownMin"
-          " hotWaterTemperatureTarget:slider,30.0,0.5,65.0".
+          ." hotWaterTemperatureTarget:slider,30.0,0.5,65.0"
-          " opModeHotWater:Auto,Party,Off".
+          ." opModeHotWater:Auto,Party,Off"
-          " synchronizeClockHeatPump:noArg".
+          ." synchronizeClockHeatPump:noArg"
-          " INTERVAL:slider,30,30,1800";
+          ." INTERVAL:slider,30,30,1800";
+          
   return "Unknown argument $cmd, choose one of $list";
 }
 
@@ -443,9 +461,9 @@ LUXTRONIK2_DoUpdate($)
   
  #(FVA) read next 4 bytes of response -> should be number_of_Visibility_Attributes > 0
   $socket->recv($result,4);
-  $count = unpack("N", $result);
+  my $countVisibAttr = unpack("N", $result);
-  if($count == 0) {
+  if($countVisibAttr == 0) {
-      Log3 $name, 2, "$name LUXTRONIK2_DoUpdate-Error: 0 visibility attributes announced: ".length($result)." -> ".$count;
+      Log3 $name, 2, "$name LUXTRONIK2_DoUpdate-Error: 0 visibility attributes announced: ".length($result)." -> ".$countVisibAttr;
      $socket->close();
       return "$name|0|0 visibility attributes announced";
   }
@@ -454,25 +472,25 @@ LUXTRONIK2_DoUpdate($)
   $i=1;
   $result="";
   $buf="";
-  while($i<=$count) {
+  while($i<=$countVisibAttr) {
      $socket->recv($buf,1);
       $result.=$buf;
      $i++;
   }
-  if(length($result) != $count) {
+  if(length($result) != $countVisibAttr) {
-      Log3 $name, 1, "$name LUXTRONIK2_DoUpdate-Error: Visibility attributes length check: ".length($result)." should have been ". $count;
+      Log3 $name, 1, "$name LUXTRONIK2_DoUpdate-Error: Visibility attributes length check: ".length($result)." should have been ". $countVisibAttr;
      $socket->close();
       return "$name|0|Number of Visibility attributes read mismatch ( $!)\n";
   }
 
-  @heatpump_visibility = unpack("C$count", $result);
+  @heatpump_visibility = unpack("C$countVisibAttr", $result);
-  if(scalar(@heatpump_visibility) != $count) {
+  if(scalar(@heatpump_visibility) != $countVisibAttr) {
-      Log3 $name, 2, "$name LUXTRONIK2_DoUpdate-Error: Unpacking problem by visibility attributes: ".scalar(@heatpump_visibility)." instead of ".$count;
+      Log3 $name, 2, "$name LUXTRONIK2_DoUpdate-Error: Unpacking problem by visibility attributes: ".scalar(@heatpump_visibility)." instead of ".$countVisibAttr;
      $socket->close();
       return "$name|0|Unpacking problem of visibility attributes";
   }
 
-  Log3 $name, 5, "$name: $count visibility attributs received";
+  Log3 $name, 5, "$name: $countVisibAttr visibility attributs received";
 
 ####################################  
 
@@ -560,7 +578,7 @@ LUXTRONIK2_DoUpdate($)
   $return_str .= "|". ($heatpump_visibility[196]==1 ? $heatpump_values[65] : "no");
   # 36 - counterHeatQHeating
   $return_str .= "|" . $heatpump_values[151];
-  # 37 - counterHeatQHeating
+  # 37 - counterHeatQHotWater
   $return_str .= "|". $heatpump_values[152];
   # 38 - counterHours2ndHeatSource2
   $return_str .= "|". ($heatpump_visibility[85]==1 ? $heatpump_values[61] : "no");
@@ -592,7 +610,8 @@ LUXTRONIK2_DoUpdate($)
   $return_str .= "|". ($heatpump_visibility[37]==1 ? $heatpump_values[27] : "no");
   # 52 - counterHoursSolar
   $return_str .= "|". ($heatpump_visibility[248]==1 ? $heatpump_values[161] : "no");
-  
+  # 53 - Number of visibility attributes
+  $return_str .= "|".$countVisibAttr;
   return $return_str;
 }
 
@@ -676,6 +695,8 @@ LUXTRONIK2_UpdateDone($)
   my $counterRetry = $hash->{fhem}{counterRetry};
   $counterRetry++;    
 
+  my $doStatistic = AttrVal($name,"doStatistics",0);
+  
   if ($a[1]==0 ) {
      readingsSingleUpdate($hash,"state","Error: ".$a[2],1);
     $counterRetry = 0;
@@ -700,19 +721,21 @@ LUXTRONIK2_UpdateDone($)
    my $hotWaterTemperature = LUXTRONIK2_CalcTemp($a[14]);
    my $hotWaterTemperatureTarget = LUXTRONIK2_CalcTemp($a[25]);
    my $hotWaterTemperatureThreshold = LUXTRONIK2_CalcTemp($a[25] - $a[49]);
-    my $thresholdHeatingLimit = LUXTRONIK2_CalcTemp($a[21]);
+   my $heatSourceIN = LUXTRONIK2_CalcTemp($a[23]);
+   my $thresholdHeatingLimit = LUXTRONIK2_CalcTemp($a[21]);
    my $thresholdTemperatureSetBack = LUXTRONIK2_CalcTemp($a[48]);
    my $flowTemperature = LUXTRONIK2_CalcTemp($a[15]);
    my $returnTemperature = LUXTRONIK2_CalcTemp($a[16]);
    
    # if selected, do all the statistic calculations
-   if ( AttrVal($name,"doStatistics",0) == 1) { 
+   if ( $doStatistic == 1) { 
       #LUXTRONIK2_doStatisticBoilerHeatUp $hash, $currOpHours, $currHQ, $currTemp, $opState, $target
       $value = LUXTRONIK2_doStatisticBoilerHeatUp ($hash, $a[35], $a[37]/10, $hotWaterTemperature, $a[3],$hotWaterTemperatureTarget);
       if ($value ne "") {
          readingsBulkUpdate($hash,"statBoilerGradientHeatUp",$value); 
          Log3 $name,3,"$name: statBoilerGradientHeatUp set to $value";
       }
+
       #LUXTRONIK2_doStatisticBoilerCoolDown $hash, $time, $currTemp, $opState, $target, $threshold
       $value = LUXTRONIK2_doStatisticBoilerCoolDown ($hash, $a[22], $hotWaterTemperature, $a[3], $hotWaterTemperatureTarget, $hotWaterTemperatureThreshold);
       if ($value ne "") {
@@ -730,8 +753,18 @@ LUXTRONIK2_UpdateDone($)
             Log3 $name,3,"$name: statBoilerGradientCoolDownMin set to $value";
          }
       }
-   }
+      
+    # LUXTRONIK2_doStatisticThermalPower: $hash, $MonitoredOpState, $currOpState, $currHeatQuantity, $currOpHours,  $currAmbTemp, $currHeatSourceIn
+      $value = LUXTRONIK2_doStatisticThermalPower ($hash, 5, $a[3], $a[37]/10, $a[35], $ambientTemperature, $heatSourceIN);
+      if ($value ne "") { readingsBulkUpdate($hash,"statThermalPowerBoiler",$value); }
+      $value = LUXTRONIK2_doStatisticThermalPower ($hash, 0, $a[3], $a[36]/10, $a[34], $ambientTemperature, $heatSourceIN);
+      if ($value ne "") { readingsBulkUpdate($hash,"statThermalPowerHeating",$value); }
 
+    # LUXTRONIK2_doStatisticMinMax $hash, $readingName, $value
+     LUXTRONIK2_doStatisticMinMax ( $hash, "statAmbientTemp", $ambientTemperature);
+
+   }
+   
   #Operating status of heat pump
      my $opStateHeatPump1 = $wpOpStat1{$a[2]}; ##############
       $opStateHeatPump1 = "unbekannt (".$a[2].")" unless $opStateHeatPump1;
@@ -824,10 +857,22 @@ LUXTRONIK2_UpdateDone($)
      readingsBulkUpdate( $hash, "returnTemperatureTarget",LUXTRONIK2_CalcTemp($a[17]));
      if ($a[18] !~ /no/) {readingsBulkUpdate( $hash, "returnTemperatureExtern",LUXTRONIK2_CalcTemp($a[18]))};
      readingsBulkUpdate( $hash, "flowRate",$a[19]);
-     readingsBulkUpdate( $hash, "heatSourceIN",LUXTRONIK2_CalcTemp($a[23]));
+     readingsBulkUpdate( $hash, "heatSourceIN",$heatSourceIN);
      readingsBulkUpdate( $hash, "heatSourceOUT",LUXTRONIK2_CalcTemp($a[24]));
      readingsBulkUpdate( $hash, "hotGasTemperature",LUXTRONIK2_CalcTemp($a[26]));
      
+     # Operating hours (seconds->hours) and heat quantities   
+      # LUXTRONIK2_storeReadings: $hash, $readingName, $value, $factor, $doStatistic
+      LUXTRONIK2_storeReadings $hash, "counterHours2ndHeatSource1", $a[32], 3600, $doStatistic;
+      LUXTRONIK2_storeReadings $hash, "counterHours2ndHeatSource2", $a[38], 3600, $doStatistic;
+      LUXTRONIK2_storeReadings $hash, "counterHours2ndHeatSource3", $a[39], 3600, $doStatistic;
+      LUXTRONIK2_storeReadings $hash, "counterHoursHeatPump", $a[33], 3600, $doStatistic;
+      LUXTRONIK2_storeReadings $hash, "counterHoursHeating", $a[34], 3600, $doStatistic;
+      LUXTRONIK2_storeReadings $hash, "counterHoursHotWater", $a[35], 3600, $doStatistic;
+      LUXTRONIK2_storeReadings $hash, "counterHeatQHeating", $a[36], 10, $doStatistic;
+      LUXTRONIK2_storeReadings $hash, "counterHeatQHotWater", $a[37], 10, $doStatistic;
+      LUXTRONIK2_storeReadings $hash, "counterHeatQTotal", $a[36] + $a[37], 10, $doStatistic;
+      
      
    # Input / Output status
      readingsBulkUpdate($hash,"heatingSystemCircPump",$a[27]?"on":"off");
@@ -852,41 +897,36 @@ LUXTRONIK2_UpdateDone($)
      $value = "unbekannt (".$a[31].")" unless $value;
      readingsBulkUpdate($hash,"typeHeatpump",$value);
 
-   # Operating hours (seconds->hours) and heat quantities, write/create readings only if >0   
-     if ($a[32] !~ /no/) {readingsBulkUpdate($hash,"counterHours2ndHeatSource1", sprintf("%.1f", $a[32]/3600));}
-     if ($a[38] !~ /no/) {readingsBulkUpdate($hash,"counterHours2ndHeatSource2", sprintf("%.1f", $a[38]/3600));}
-     if ($a[39] !~ /no/) {readingsBulkUpdate($hash,"counterHours2ndHeatSource3", sprintf("%.1f", $a[39]/3600));}
-     if ($a[33] !~ /no/) {readingsBulkUpdate($hash,"counterHoursHeatPump", sprintf("%.1f", $a[33]/3600));}
-     if ($a[34] !~ /no/) {readingsBulkUpdate($hash,"counterHoursHeating", sprintf("%.1f", $a[34]/3600));}
-     if ($a[35] !~ /no/) {readingsBulkUpdate($hash,"counterHoursHotWater", sprintf("%.1f", $a[35]/3600));}
-     if ($a[36] > 0) {readingsBulkUpdate($hash,"counterHeatQHeating", $a[36]/10);}
-     if ($a[37] > 0) {readingsBulkUpdate($hash,"counterHeatQHotWater" ,$a[37]/10);}
-     if ($a[36] > 0 && $a[37] > 0) {readingsBulkUpdate($hash,"counterHeatQTotal",($a[36]+$a[37])/10);}
      #WM[kW] = delta_Temp [K] * Durchfluss [l/h] / ( 3.600 [kJ/kWh] / ( 4,179 [kJ/(kg*K)] (H2O Wärmekapazität bei 30 & 40°C) * 0,994 [kg/l] (H2O Dichte bei 35°C) )  
-     $value = ($flowTemperature-$returnTemperature) * $a[19] / 866.65;
+     my $thermalPower = 0;
-     readingsBulkUpdate( $hash, "currentThermalOutput", sprintf("%.1f", $value));
+     # 0=Heizen, 5=Brauchwasser, 7=Abtauen, 16=Durchflussüberwachung 
-     
+     if ($a[3] =~ /^(0|5|16)$/ ) { $thermalPower = sprintf "%.1f", abs($flowTemperature - $returnTemperature) * $a[19] / 866.65; }
-   # Solar
+     readingsBulkUpdate( $hash, "thermalPower", $thermalPower);
+
+     # Solar
      if ($a[50] !~ /no/) {readingsBulkUpdate($hash, "solarCollectorTemperature", LUXTRONIK2_CalcTemp($a[50]));}
      if ($a[51] !~ /no/) {readingsBulkUpdate($hash, "solarBufferTemperature", LUXTRONIK2_CalcTemp($a[51]));}
      if ($a[52] !~ /no/) {readingsBulkUpdate($hash, "counterHoursSolar", sprintf("%.1f", $a[52]/3600));}
      
    # HTML for floorplan
      if(AttrVal($name, "statusHTML", "none") ne "none") {
-        $value = "<div class=fp_" . $a[0] . "_title>" . $a[0] . "</div>";
+        $value = ""; #"<div class=fp_" . $a[0] . "_title>" . $a[0] . "</div> \n";
-        $value .= "$opStateHeatPump1<br>";
+        $value .= "$opStateHeatPump1<br>\n";
-        $value .= "$opStateHeatPump2<br>";
+        $value .= "$opStateHeatPump2<br>\n";
-        $value .= "$opStateHeatPump3<br>";
+        $value .= "$opStateHeatPump3<br>\n";
         $value .= "Brauchwasser: $hotWaterTemperature &deg;C";
         readingsBulkUpdate($hash,"floorplanHTML",$value);
      }
     # State update
-      readingsBulkUpdate($hash,"state","$opStateHeatPump1 $opStateHeatPump2 - $opStateHeatPump3");
+      $value = "$opStateHeatPump1 $opStateHeatPump2 - $opStateHeatPump3";
+      if ($thermalPower != 0) { $value .= " ($thermalPower kW)"; }
+      readingsBulkUpdate($hash, "state", $value);
      
       readingsEndUpdate($hash,1);
      
      $hash->{helper}{fetched_calc_values} = $a[44];
      $hash->{helper}{fetched_parameters} = $a[45];
+     $hash->{helper}{fetched_visib_attr} = $a[53];
      
    ############################ 
    #Auto Synchronize Device Clock
@@ -921,7 +961,6 @@ LUXTRONIK2_UpdateDone($)
 
 }
 
-
 sub ########################################
 LUXTRONIK2_UpdateAborted($)
 {
@@ -1072,7 +1111,7 @@ LUXTRONIK2_synchronizeClock (@)
       
    Log3 $name, 5, "$name: Read current time of host";
       my @output = $telnet->cmd('date +%s');
-     $delay = floor(time()) - $output[0];
+     $delay = sprintf("%.1f",time() - $output[0]);
    Log3 $name, 5, "$name: Current time is ".localtime($output[0])." Delay is $delay seconds.";
 
      if (abs($delay)>$maxDelta && $maxDelta!=0) {
@@ -1110,21 +1149,60 @@ LUXTRONIK2_checkFirmware ($)
    }
 }
 
+# Calculate heat-up gradients of boiler based on hotWaterTemperature and counterHeatQHeating
+sub ######################################## 
+LUXTRONIK2_doStatisticThermalPower ($$$$$$$)
+{
+   my ($hash, $MonitoredOpState, $currOpState, $currHeatQuantity, $currOpHours,  $currAmbTemp, $currHeatSourceIn) = @_;
+   my @last = split / /, $hash->{fhem}{"statThermalPowerOpState_".$MonitoredOpState} || "1";
+   my $saveCurrent = 0;
+   my $returnStr = "";
+   my $value1;
+   my $value2;
+   my $value3;
+   
+   if ($last[0] != $MonitoredOpState && $currOpState == $MonitoredOpState ) {
+      $saveCurrent = 1;
+   } elsif ($last[0] == $MonitoredOpState && $currOpState != $MonitoredOpState && $currOpState != 16 ) { #16=Durchflussüberwachung
+      $saveCurrent = 1;
+      $value2 = ($currOpHours - $last[2])/60;
+      if ($value2 > 9.5) {
+         $value1 = ($currAmbTemp +  $last[3]) / 2;
+         $returnStr = "aT: " . sprintf "%.1f", $value1;
+         $value1 = $currHeatQuantity -  $last[1];
+         $value3 = $value1 * 60 / $value2;
+         $returnStr .= " thP: " . sprintf "%.1f", $value3;
+         $returnStr .= " t: " . sprintf "%.0f", $value2;
+         $returnStr .= " DQ: " . sprintf "%.1f", $value1;
+         $value1 = ($currHeatSourceIn +  $last[4]) / 2;
+         $returnStr .= " iT: " . sprintf "%.1f", $value1;
+      }
+   }
+   if ($saveCurrent == 1) {
+      $last[0] = $currOpState;
+      $last[1] = $currHeatQuantity;
+      $last[2] = $currOpHours;
+      $last[3] = $currAmbTemp;
+      $last[4] = $currHeatSourceIn;
+      $hash->{fhem}{"statThermalPowerOpState_".$MonitoredOpState} = join( " ", @last);
+   }
+   return $returnStr;
+}
+
 # Calculate heat-up gradients of boiler based on hotWaterTemperature and counterHeatQHeating
 sub ######################################## 
 LUXTRONIK2_doStatisticBoilerHeatUp ($$$$$$) 
 {
-
+   my ($hash, $currOpHours, $currHQ, $currTemp, $opState, $target) = @_;
-    my ($hash, $currOpHours, $currHQ, $currTemp, $opState, $target) = @_;
    my $name = $hash->{NAME};
-    my $step = $hash->{fhem}{statBoilerHeatUpStep};
+   my $step = $hash->{fhem}{statBoilerHeatUpStep};
    my $minTemp = $hash->{fhem}{statBoilerHeatUpMin};
    my $maxTemp = $hash->{fhem}{statBoilerHeatUpMax};
    my $lastHQ = $hash->{fhem}{statBoilerHeatUpHQ};
    my $lastOpHours = $hash->{fhem}{statBoilerHeatUpOpHours}; 
    my $value1 = 0;
-    my $value2 = 0;
+   my $value2 = 0;
-    my $value3 = 0;
+   my $value3 = 0;
    my $returnStr = "";
 
   # step 0 = Initialize - if hot water preparation is off
@@ -1191,18 +1269,22 @@ LUXTRONIK2_doStatisticBoilerHeatUp ($$$$$$)
         Log3 $name, 4, "$name: Statistic Boiler Heat-Up step 3->1: Boiler heat-up measurement finished";
         $value1 =  ( int(10 * $maxTemp) - int(10 * $minTemp) ) / 10; # delta hot water temperature
         $value2 = ( $currOpHours - $lastOpHours ) / 60; # delta time (minutes)
-        # $value3 = floor(100 * $value1 / $value2 + 0.5) / 100;  # Temperature gradient over time rounded to 1/100th
-        # $value2 = floor(100 * $value2 + 0.5) / 100; # rounded to 1/100th
         $returnStr = "DT/min: ".sprintf("%.2f", $value1/$value2)." DT: ".sprintf("%.2f", $value1)." Dmin: ".sprintf("%.0f", $value2);
 
-        $value2 = $currHQ - $lastHQ; # delta heat quantity
+        $value3 = $currHQ - $lastHQ; # delta heat quantity
-        # $value2 = floor(10*($currHQ - $lastHQ)+0.5)/10; # delta heat quantity
+        # Delta Heat Quantity
-        # $value3 = floor(100 * $value2 / $value1 + 0.5) / 100;  # heat gradient over temperature rounded to 1/100th
+        $returnStr .= " DQ: ".sprintf("%.1f",$value3);
-        $returnStr .= " DQ/T: ".sprintf("%.2f",$value2/$value1)." DQ: ".sprintf("%.1f",$value2);
+        # Average thermal power
-
+        $returnStr .= " thP: ".sprintf("%.1f",$value3 * 60 / $value2);
-        #Volumen [l] = Wärmemenge [kWh] / (delta T) [K] * ( 3.600 [kJ/kWh] / ( 4,179 [kJ/(kg*K)] (H2O Wärmekapazität bei 40°C) * 0,992 [kg/l] (H2O Dichte bei 40°C) ) [K/(kWh*l)] )  
+        
-        $value3 = 868.4 * $value2 / $value1 ;  # heated water volume in liter
+        
-        $returnStr .= " DV: ".sprintf("%.0f",$value3);
+        #real (mixed) Temperature-Difference
+        my $boilerVolumn = AttrVal($name, "boilerVolumn", 0);
+        if ($boilerVolumn >0 ) {
+           # (delta T) [K] = Wärmemenge [kWh] / #Volumen [l] * ( 3.600 [kJ/kWh] / ( 4,179 [kJ/(kg*K)] (H2O Wärmekapazität bei 40°C) * 0,992 [kg/l] (H2O Dichte bei 40°C) ) [K/(kWh*l)] )  
+           $value2 = 868.4 * $value3 / $boilerVolumn ;  
+           $returnStr .= " realDT: ".sprintf("%.0f", $value2);
+        }
         
         $step = 1; 
         $lastOpHours = $currOpHours; 
@@ -1211,8 +1293,8 @@ LUXTRONIK2_doStatisticBoilerHeatUp ($$$$$$)
 
       }
    }
-    $hash->{fhem}{statBoilerHeatUpStep} = $step;
+   $hash->{fhem}{statBoilerHeatUpStep} = $step;
-    $hash->{fhem}{statBoilerHeatUpMin} = $minTemp;
+   $hash->{fhem}{statBoilerHeatUpMin} = $minTemp;
    $hash->{fhem}{statBoilerHeatUpMax} = $maxTemp;
    $hash->{fhem}{statBoilerHeatUpHQ} = $lastHQ;
    $hash->{fhem}{statBoilerHeatUpOpHours} = $lastOpHours; 
@@ -1225,18 +1307,20 @@ LUXTRONIK2_doStatisticBoilerHeatUp ($$$$$$)
 sub ######################################## 
 LUXTRONIK2_doStatisticBoilerCoolDown ($$$$$$) 
 {
-    my ($hash, $time, $currTemp, $opState, $target, $threshold) = @_;
+   my ($hash, $time, $currTemp, $opState, $target, $threshold) = @_;
    my $name = $hash->{NAME};
-    my $step = $hash->{fhem}{statBoilerCoolDownStep};
+   my $step = $hash->{fhem}{statBoilerCoolDownStep};
    my $maxTemp = $hash->{fhem}{statBoilerCoolDownMax};
    my $startTime = $hash->{fhem}{statBoilerCoolDownStartTime}; 
-    my $value1 = 0;
+   my $lastTime = $hash->{fhem}{statBoilerCoolDownLastTime}; 
-    my $value2 = 0;
+   my $lastTemp = $hash->{fhem}{statBoilerCoolDownLastTemp}; 
-    my $value3 = 0;
+   my $value1 = 0;
+   my $value2 = 0;
+   my $value3 = 0;
    my $returnStr = "";
 
   # step 0 = Initialize - if hot water preparation is off and target reached, 
-    if ($step == 0) { 
+   if ($step == 0) { 
      if ($opState == 5 || $currTemp < $target) { # -> stay step 0
         # Log3 $name, 4, "$name: Statistic Boiler Cool-Down step 0: Wait till hot water preparation stops and target is reached ($currTemp < $target)";
      } else {
@@ -1246,34 +1330,262 @@ LUXTRONIK2_doStatisticBoilerCoolDown ($$$$$$)
         $maxTemp = $currTemp;
      }
   # step 1 = wait till threshold is reached -> do calculation, monitor maximal temperature
-    } elsif ($step == 1) { 
+   } elsif ($step == 1) { 
-     if ($currTemp > $maxTemp) { # monitor maximal temperature
+      if ($currTemp > $maxTemp) { # monitor maximal temperature
-        Log3 $name, 4, "$name: Statistic Boiler Cool-Down step 1: Temperature still increasing ($currTemp > $maxTemp)";
+         Log3 $name, 4, "$name: Statistic Boiler Cool-Down step 1: Temperature still increasing ($currTemp > $maxTemp)";
          $maxTemp = $currTemp;
-        $startTime = $time; 
+         $startTime = $time; 
-     }
+      }
-     if ($opState == 5) {
+      if ($opState == 5 || $currTemp <= $threshold) {
-        Log3 $name, 4, "$name: Statistic Boiler Cool-Down step 1: Measurement cancelled (restart of hot water preparation)";
+         if ($opState == 5) {
-        $step = 0;
+            Log3 $name, 4, "$name: Statistic Boiler Cool-Down step 1->0: Heat-up started, measurement finished";
-     } elsif ($currTemp <= $threshold) {
+            $value1 =  $lastTemp - $maxTemp; # delta hot water temperature
-         Log3 $name, 4, "$name: Statistic Boiler Cool-Down step 2->1: Measurement finished, threshold reached ($currTemp <= $threshold)";
+            $value2 = ( $lastTime - $startTime ) / 3600; # delta time (hours)
-        $value1 =  ( int(10 * $currTemp) - int(10 * $maxTemp) ) / 10; # delta hot water temperature
+         } elsif ($currTemp <= $threshold) {
-        $value2 = ( $time - $startTime ) / 3600; # delta time (hours)
+            Log3 $name, 4, "$name: Statistic Boiler Cool-Down step 1->0: Measurement finished, threshold reached ($currTemp <= $threshold)";
-        $value3 = floor(100 * $value1 / $value2 + 0.5) / 100;  # Temperature gradient over time rounded to 1/100th
+            $value1 =  $currTemp - $maxTemp; # delta hot water temperature
-        $value2 = floor(100 * $value2 + 0.5) / 100; # rounded to 1/100th
+            $value2 = ( $time - $startTime ) / 3600; # delta time (hours)
-        $returnStr = "DT/h: $value3 DT: $value1 Dh: $value2";
+         }
+         $value3 = sprintf("%.2f", $value1 / $value2 );  # Temperature gradient over time rounded to 1/100th
+         $value2 = sprintf("%.2f", $value2 ); # rounded to 1/100th
+         $value1 = sprintf("%.1f", $value1 ); # rounded to 1/10th
+         $returnStr = "DT/h: $value3 DT: $value1 Dh: $value2";
+         $step = 0;
+      } 
+   }   
 
-        $step = 0;
+   $hash->{fhem}{statBoilerCoolDownStep} = $step;
-     }
-    }   
-
-    $hash->{fhem}{statBoilerCoolDownStep} = $step;
    $hash->{fhem}{statBoilerCoolDownMax} = $maxTemp;
    $hash->{fhem}{statBoilerCoolDownStartTime} = $startTime; 
+   $hash->{fhem}{statBoilerCoolDownLastTime} = $time; 
+   $hash->{fhem}{statBoilerCoolDownLastTemp} = $currTemp; 
 
    return $returnStr;
 }   
 
+# Calculates single MaxMin Values and informs about end of day and month
+sub ######################################## 
+LUXTRONIK2_doStatisticMinMax ($$$) 
+{
+   my ($hash, $readingName, $value) = @_;
+   my $dummy;
+   my $saveLast;
+   my $statReadingName;
+
+   my $lastReading;
+   my $lastSums;
+   my @newReading;
+   
+   my $yearLast;
+   my $monthLast;
+   my $dayLast;
+   my $dayNow;
+   my $monthNow;
+   my $yearNow;
+   
+  # Determine date of last and current reading
+   if (exists($hash->{READINGS}{$readingName."Day"}{TIME})) {
+      ($yearLast, $monthLast, $dayLast) = $hash->{READINGS}{$readingName."Day"}{TIME} =~ /^(\d\d\d\d)-(\d\d)-(\d\d)/;
+   } else {
+      ($dummy, $dummy, $dummy, $dayLast, $monthLast, $yearLast) = localtime;
+      $yearLast += 1900;
+      $monthLast ++;
+   }
+   ($dummy, $dummy, $dummy, $dayNow, $monthNow, $yearNow) = localtime;
+   $yearNow += 1900;
+   $monthNow ++;
+
+  # Daily Statistic
+   $saveLast = ($dayNow != $dayLast);
+   $statReadingName = $readingName."Day";
+   LUXTRONIK2_doStatisticMinMaxSingle $hash, $statReadingName, $value, $saveLast;
+   
+  # Monthly Statistic
+   $saveLast = ($monthNow != $monthLast);
+   $statReadingName = $readingName."Month";
+   LUXTRONIK2_doStatisticMinMaxSingle $hash, $statReadingName, $value, $saveLast;
+    
+  # Yearly Statistic
+   $saveLast = ($yearNow != $yearLast);
+   $statReadingName = $readingName."Year";
+   LUXTRONIK2_doStatisticMinMaxSingle $hash, $statReadingName, $value, $saveLast;
+
+   return ;
+
+}
+
+# Calculates single MaxMin Values and informs about end of day and month
+sub ######################################## 
+LUXTRONIK2_doStatisticMinMaxSingle ($$$$) 
+{
+   my ($hash, $readingName, $value, $saveLast) = @_;
+   my $result;
+   
+   my $lastReading = $hash->{READINGS}{$readingName}{VAL} || "";
+   
+ # Initializing
+   if ( $lastReading eq "" ) { 
+      my $since = strftime "%Y-%m-%d_%H:%M:%S", localtime(); 
+      $result = "Count: 1 Sum: $value ShowDate: 1";
+      readingsBulkUpdate($hash, ".".$readingName, $result);
+      $result = "Min: $value Avg: $value Max: $value (since: $since )";
+      readingsBulkUpdate($hash, $readingName, $result);
+
+ # Calculations
+   } else { 
+      my @a = split / /, $hash->{READINGS}{"." . $readingName}{VAL}; # Internal values
+      my @b = split / /, $lastReading;
+    # Do calculations
+      if ($saveLast) {
+         readingsBulkUpdate($hash, $readingName . "Last", $lastReading);
+         $a[1] = 1;   $a[3] = $value;   $a[5] = 0;
+         $b[1] = $value;   $b[3] = $value;   $b[5] = $value;
+      } else {
+         $a[1]++; # Count
+         $a[3] += $value; # Sum
+         if ($value < $b[1]) { $b[1]=$value; } # Min
+         $b[3] = sprintf "%.1f" , $a[3] / $a[1]; # Avg
+         if ($value > $b[5]) { $b[5]=$value; } # Max
+      }
+    # Store internal calculation values
+      $result = "Count: $a[1] Sum: $a[3] ShowDate: $a[5]";  
+      readingsBulkUpdate($hash, ".".$readingName, $result);
+    # Store visible Reading
+      if ($a[5] == 1) {
+         $result = "Min: $b[1] Avg: $b[3] Max: $b[5] (since: $b[7] )";  
+      } else {
+         $result = "Min: $b[1] Avg: $b[3] Max: $b[5]";  
+      }
+      readingsBulkUpdate($hash, $readingName, $result);
+   }
+   return;
+}
+
+
+sub ########################################
+LUXTRONIK2_storeReadings($$$$$)
+{
+   my ($hash, $readingName, $value, $factor, $doStatistics) = @_;
+   
+   if ($value eq "no" || $value == 0 ) { return; }
+
+   readingsBulkUpdate($hash, $readingName, sprintf("%.1f", $value / $factor));
+   
+   $readingName =~ s/counter//;
+ 
+   # LUXTRONIK2_doStatisticDelta: $hash, $readingName, $value, $factor
+   if ( $doStatistics == 1) { LUXTRONIK2_doStatisticDelta $hash, "stat".$readingName, $value, $factor; }
+}
+
+
+# Calculates deltas for day, month and year
+sub ######################################## 
+LUXTRONIK2_doStatisticDelta ($$$$) 
+{
+   my ($hash, $readingName, $value, $factor) = @_;
+   my $dummy;
+
+   my @curr = split / /, $hash->{READINGS}{$readingName}{VAL} || "";
+   my @start = split / /,  $hash->{READINGS}{"." . $readingName . "Start"}{VAL} || "";  
+
+   my $saveLast=0;
+   my @last;
+   if (exists ($hash->{READINGS}{$readingName."Last"})) { 
+     @last = split / /,  $hash->{READINGS}{$readingName."Last"}{VAL};
+   } else {
+      @last = split / /,  "Day: - Month: - Year: -";
+   }
+   
+   my $result;
+   my $yearLast;
+   my $monthLast;
+   my $dayLast;
+   my $dayNow;
+   my $monthNow;
+   my $yearNow;
+   
+  # Determine date of last and current reading
+   if (exists($hash->{READINGS}{$readingName}{TIME})) {
+      ($yearLast, $monthLast, $dayLast) = ($hash->{READINGS}{$readingName}{TIME} =~ /^(\d\d\d\d)-(\d\d)-(\d\d)/);
+   } else {
+      ($dummy, $dummy, $dummy, $dayLast, $monthLast, $yearLast) = localtime;
+      $yearLast += 1900;
+      $monthLast ++;
+      $start[1] = $value;
+      $start[3] = $value;
+      $start[5] = $value;
+      $start[7] = 6; 
+      $curr[7] = strftime "%Y-%m-%d_%H:%M:%S", localtime(); # Start
+   }
+   ($dummy, $dummy, $dummy, $dayNow, $monthNow, $yearNow) = localtime;
+   $yearNow += 1900;
+   $monthNow ++;
+   
+  # Yearly Statistic
+   if ($yearNow != $yearLast){
+      $last[5] = $curr[5];
+      $start[5] = $value;
+     # Do not show the "since:" value for year changes anymore
+      if ($start[7] == 1) { $start[7] = 0; }
+     # Shows the "since:" value for the first year change
+      if ($start[7] >= 2) { 
+         $last[7] = $curr[7];
+         $start[7] = 1;
+      }
+   }
+   $curr[5] = sprintf "%.1f", ($value - $start[5]) / $factor;
+
+  # Monthly Statistic 
+   if ($monthNow != $monthLast){
+      $last[3] = $curr[3];
+      $start[3] = $value;
+     # Do not show the "since:" value for month changes anymore
+      if ($start[7] == 3) { $start[7] = 2; }
+     # Shows the "since:" value for the first month change
+      if ($start[7] >= 4) { 
+         $last[7] = $curr[7];
+         $start[7] = 3;
+      }
+   }
+   $curr[3] = sprintf "%.1f", ($value - $start[3]) / $factor;
+
+   # Daily Statistic
+   if ($dayNow != $dayLast){
+      $last[1] = $curr[1];
+      $start[1] = $value;
+     # Do not show the "since:" value for day changes anymore
+      if ($start[7] == 5) { $start[7] = 4; }
+     # Shows the "since:" value for the first day change
+      if ($start[7] >= 6) { 
+         $last[7] = $curr[7];
+         $start[7] = 5;
+        # Next monthly and yearly values start at 00:00
+         $curr[7] = strftime "%Y-%m-%d", localtime(); # Start
+         $start[3] = $value;
+         $start[5] = $value;
+      }
+      $saveLast = 1;
+   }
+   $curr[1] = sprintf "%.1f", ($value - $start[1]) / $factor;
+   
+  # Store internal calculation values
+   $result = "Day: $start[1] Month: $start[3] Year: $start[5] ShowDate: $start[7]";  
+   readingsBulkUpdate($hash, ".".$readingName."Start", $result);
+
+  # Store visible Reading
+   $result = "Day: $curr[1] Month: $curr[3] Year: $curr[5]";
+   if ($start[7] != 0 ) { $result .= " (since: $curr[7] )"; }
+   readingsBulkUpdate($hash,$readingName,$result);
+
+   if ($saveLast == 1) {
+      $result = "Day: $last[1] Month: $last[3] Year: $last[5]";
+      if ( $start[7] =~ /1|3|5/ ) { $result .= " (since: $last[7] )";}
+      readingsBulkUpdate($hash,$readingName."Last",$result); 
+   }
+ 
+   return ;
+}
+
 
 1;
 
@@ -1283,7 +1595,7 @@ LUXTRONIK2_doStatisticBoilerCoolDown ($$$$$$)
 <a name="LUXTRONIK2"></a>
 <h3>LUXTRONIK2</h3>
 <ul>
-  Luxtronik 2.0 is a heating controller used in <a href="http://www.alpha-innotec.de">Alpha Innotec</a> and Siemens Novelan (WPR NET) heat pumps.
+  Luxtronik 2.0 is a heating controller used in <a href="http://www.alpha-innotec.de">Alpha Innotec</a>, Siemens Novelan (WPR NET) and Wolf Heiztechnik (BWL/BWS) heat pumps.
   <br>
   It has a built-in ethernet port, so it can be directly integrated into a local area network (LAN).
   <br>
@@ -1306,13 +1618,17 @@ LUXTRONIK2_doStatisticBoilerCoolDown ($$$$$$)
   <b>Set</b>
    <ul>A firmware check assures before each set operation that a heat pump with untested firmware is not damaged accidently.
       <li><code>opModeHotWater &lt;Mode&gt;</code><br>
-         Operating Mode of domestic hot water boiler (Auto | Party | Off)</li>
+         Operating Mode of domestic hot water boiler (Auto | Party | Off)
+         </li><br>
       <li><code>hotWaterTemperatureTarget &lt;temperature&gt;</code><br>
-         Target temperature of domestic hot water boiler in &deg;C</li>
+         Target temperature of domestic hot water boiler in &deg;C
+         </li><br>
       <li><code>INTERVAL &lt;polling interval&gt;</code><br>
-         Polling interval in seconds</li>
+         Polling interval in seconds
+         </li><br>
       <li><code>statusRequest</code><br>
-         Update device information</li>
+         Update device information
+         </li><br>
       <li><code>synchClockHeatPump</code><br>
          Synchronizes controller clock with FHEM time. <b>!! This change is lost in case of controller power off!!</b></li>
    </ul>
@@ -1332,13 +1648,20 @@ LUXTRONIK2_doStatisticBoilerCoolDown ($$$$$$)
          <br>
          If set, a HTML-formatted reading named "floorplanHTML" is created. It can be used with the <a href="#FLOORPLAN">FLOORPLAN</a> module.
          <br>
-         Currently, if the value of this attribute is not NULL, the corresponding reading consists of the current status of the heat pump and the temperature of the water.</li>
+         Currently, if the value of this attribute is not NULL, the corresponding reading consists of the current status of the heat pump and the temperature of the water.
+         </li><br>
       <li><code>doStatistics &lt; 0 | 1 &gt;</code>
          <br>
-         Calculates statistic values: <i>statBoilerGradientHeatUp, statBoilerGradientCoolDown, statBoilerGradientCoolDownMin (boiler heat loss)</i></li>
+         Calculates statistic values: <i>statBoilerGradientHeatUp, statBoilerGradientCoolDown, statBoilerGradientCoolDownMin (boiler heat loss)</i>
+         <br>
+         Builds daily, monthly and yearly statistics for certain readings (average/min/max or cumulated values).
+         <br>
+         Logging and visualisation of the statistic should be done with readings of type 'stat<i>ReadingName</i><b>Last</b>'.
+         </li><br>
       <li><code>allowSetParameter &lt; 0 | 1 &gt;</code>
          <br>
-         The <a href="#LUXTRONIK2set">parameters</a> of the heat pump controller can only be changed if this attribut is set to 1.</li>
+         The <a href="#LUXTRONIK2set">parameters</a> of the heat pump controller can only be changed if this attribut is set to 1.
+         </li><br>
       <li><code>autoSynchClock &lt;delay&gt;</code>
          <br>
          Corrects the clock of the heatpump automatically if a certain <i>delay</i> (10 s - 600 s) against the FHEM time is exeeded. Does a firmware check before.
@@ -1348,7 +1671,8 @@ LUXTRONIK2_doStatisticBoilerCoolDown ($$$$$$)
          <br>
          A firmware check assures before each set operation that a heatpump controller with untested firmware is not damaged accidently.
          <br>
-         If this attribute is set to 1, the firmware check is ignored and new firmware can be tested for compatibility.</li>
+         If this attribute is set to 1, the firmware check is ignored and new firmware can be tested for compatibility.
+         </li><br>
       <li><a href="#readingFnAttributes">readingFnAttributes</a></li>
    </ul>
 </ul>
@@ -1360,8 +1684,11 @@ LUXTRONIK2_doStatisticBoilerCoolDown ($$$$$$)
 <a name="LUXTRONIK2"></a>
 <h3>LUXTRONIK2</h3>
 <ul>
-  Die Luxtronik 2.0 ist eine Heizungssteuerung, welche in W&auml;rmepumpen von <a href="http://www.alpha-innotec.de">Alpha Innotec</a> und Siemens Novelan (WPR NET) verbaut ist.<br>
+  Die Luxtronik 2.0 ist eine Heizungssteuerung, welche in W&auml;rmepumpen von <a href="http://www.alpha-innotec.de">Alpha Innotec</a>, 
-  Sie besitzt einen Ethernet Anschluss, so dass sie direkt in lokale Netzwerke (LAN) integriert werden kann.<br>
+  Siemens Novelan (WPR NET) und Wolf Heiztechnik (BWL/BWS) verbaut ist.
+  <br>
+  Sie besitzt einen Ethernet Anschluss, so dass sie direkt in lokale Netzwerke (LAN) integriert werden kann.
+  <br>
   <i>Das Modul wurde bisher mit folgender Steuerungs-Firmware getestet: V1.54C, V1.60, V1.69.</i>
   <br>&nbsp;
   <br>
@@ -1384,16 +1711,20 @@ LUXTRONIK2_doStatisticBoilerCoolDown ($$$$$$)
      Durch einen Firmware-Test wird vor jeder Set-Operation sichergestellt, dass W&auml;rmepumpen mit ungetester Firmware nicht unabsichtlich besch&auml;digt werden.
       <li><code>opModeHotWater &lt;Betriebsmodus&gt;</code>
          <br>
-         Betriebsmodus des Hei&szlig;wasserboilers ( Auto | Party | Off )</li>
+         Betriebsmodus des Hei&szlig;wasserboilers ( Auto | Party | Off )
+         </li><br>
      <li><code>hotWaterTemperatureTarget &lt;Temperatur&gt;</code>
          <br>
-         Soll-Temperatur des Hei&szlig;wasserboilers in &deg;C</li>
+         Soll-Temperatur des Hei&szlig;wasserboilers in &deg;C
+         </li><br>
      <li><code>INTERVAL &lt;Abfrageinterval&gt;</code>
          <br>
-         Abfrageinterval in Sekunden</li>
+         Abfrageinterval in Sekunden
+         </li><br>
      <li><code>statusRequest</code>
          <br>
-         Aktualisieren der Ger&auml;tewerte</li>
+         Aktualisieren der Ger&auml;tewerte
+         </li><br>
      <li><code>synchClockHeatPump</code>
          <br>
          Abgleich der Uhr der Steuerung mit der FHEM Zeit. <b>Diese &Auml;nderung geht verloren, sobald die Steuerung ausgeschaltet wird!!</b></li>
@@ -1414,27 +1745,35 @@ LUXTRONIK2_doStatisticBoilerCoolDown ($$$$$$)
       wenn gesetzt, dann wird ein HTML-formatierter Wert "floorplanHTML" erzeugt, 
       welcher vom Modul <a href="#FLOORPLAN">FLOORPLAN</a> genutzt werden kann.<br>
       Momentan wird nur gepr&uuml;ft, ob der Wert dieses Attributes ungleich NULL ist, 
-      der entsprechende Ger&auml;tewerte besteht aus dem aktuellen W&auml;rmepumpenstatus und der Heizwassertemperatur.</li>
+      der entsprechende Ger&auml;tewerte besteht aus dem aktuellen W&auml;rmepumpenstatus und der Heizwassertemperatur.
+      </li><br>
     <li><code>doStatistics &lt; 0 | 1 &gt;</code>
       <br>
       Berechnet statistische Werte: <i>statBoilerGradientHeatUp, statBoilerGradientCoolDown,
-      statBoilerGradientCoolDownMin (W&auml;rmeverlust des Boilers)</i></li>
+      statBoilerGradientCoolDownMin (W&auml;rmeverlust des Boilers)</i>
+      <br>
+      Bildet t&auml;gliche, monatliche und j&auml;hrliche Statistiken bestimmter Ger&auml;tewerte.<br>
+      F&uuml;r grafische Auswertungen k&ouml;nnen die Werte der Form 'stat<i>ReadingName</i><b>Last</b>' genutzt werden.
+      </li><br>
    <li><code>allowSetParameter &lt; 0 | 1 &gt;</code>
       <br>
       Die internen <a href="#LUXTRONIK2set">Parameter</a> der W&auml;rmepumpensteuerung k&ouml;nnen
-      nur ge&auml;ndert werden, wenn dieses Attribut auf 1 gesetzt ist.</li>
+      nur ge&auml;ndert werden, wenn dieses Attribut auf 1 gesetzt ist.
+      </li><br>
    <li><code>autoSynchClock &lt;Zeitunterschied&gt;</code>
       <br>
       Die Uhr der W&auml;rmepumpe wird automatisch korrigiert, wenn ein gewisser <i>Zeitunterschied</i> (10 s - 600 s) 
       gegen&uuml;ber der FHEM Zeit erreicht ist. Zuvor wird die Kompatibilit&auml;t der Firmware &uuml;berpr&uuml;ft.<br>
       <i>(Ein Ger&auml;tewert 'delayDeviceTimeCalc' &lt;= 2 s ist auf die internen Berechnungsintervale der
-      W&auml;rmepumpensteuerung zur&uuml;ckzuf&uuml;hren.)</i></li>
+      W&auml;rmepumpensteuerung zur&uuml;ckzuf&uuml;hren.)</i>
+      </li><br>
    <li><code>ignoreFirmwareCheck &lt; 0 | 1 &gt;</code>
       <br>
       Durch einen Firmware-Test wird vor jeder Set-Operation sichergestellt, dass W&auml;rmepumpen
       mit ungetester Firmware nicht unabsichtlich besch&auml;digt werden. Wenn dieses Attribute auf 1
       gesetzt ist, dann wird der Firmware-Test ignoriert und neue Firmware kann getestet werden.
-      Dieses Attribut wird jedoch ignoriert, wenn die Steuerungs-Firmware bereits als nicht kompatibel berichtet wurde.</li>
+      Dieses Attribut wird jedoch ignoriert, wenn die Steuerungs-Firmware bereits als nicht kompatibel berichtet wurde.
+      </li><br>
     <li><a href="#readingFnAttributes">readingFnAttributes</a></li>
   </ul>
 </ul>