diff --git a/fhem/contrib/LUX2.gplot b/fhem/contrib/LUX2.gplot
new file mode 100644
index 000000000..b269e6683
--- /dev/null
+++ b/fhem/contrib/LUX2.gplot
@@ -0,0 +1,33 @@
+############################
+# Display the measured temp and the actuator.
+# Corresponding FileLog definition: 
+# define <filelogname> FileLog /var/log/fhem/fht-%Y.log <fhtname>
+
+set terminal png transparent size <SIZE> crop
+set output '<OUT>.png'
+set xdata time
+set timefmt "%Y-%m-%d_%H:%M:%S"
+set xlabel " "
+set ytics nomirror
+set y2tics
+#set ytics
+set title '<L1>'
+set grid xtics y2tics
+
+set y2label "Temperature in C"
+set ylabel "Temperature in C"
+
+#FileLog 4:flowTemperature:0:
+#FileLog 4:returnTemperatureTarget:0:
+#FileLog 4:returnTemperature:0:
+#FileLog 4:ambientTemperature:0:int
+
+plot \
+  "< awk '/temperature/{print $1, $4}' <IN>"\
+     using 1:2 axes x1y2 title 'Vorlauftemperatur' with lines,\
+  "< awk '/desired/{print $1, $4}' <IN>"\
+     using 1:2 axes x1y2 title 'Rücklauftemperatur SOLL' with lines,\
+  "< awk '/humidity/ {print $1, $4+0}' <IN>"\
+     using 1:2 axes x1y2 title 'Rücklauftemperatur' with lines,\
+  "< awk '/actuator/ {print $1, $4+0}' <IN>"\
+     using 1:2 axes x1y2 title 'Außentemperatur' with lines lw2\