[graph caption="Leistung zusammengefasst" animation="1" showvalues="1" shownames="1" showLegend="1" XAxisName="Datum" rotateNames="0" bgColor="FFFFFF" canvasBorderColor="FFFFFF" decimalSeparator="," thousandSeparator="." formatNumberScale="0" PYAxisName="Stueck" SYAxisName="Prozent"][categories][category name="2007-02-05"/][category name="2007-02-06"/][category name="2007-02-07"/][/categories][dataset seriesName="Theoretische Stück" parentYAxis="P" color="3333ff"][set value="99585"/][set value="67847"/][set value="88649"/][/dataset][dataset seriesName="Produzierte Menge" parentYAxis="P" color="009900"][set value="31329"/][set value="34766"/][set value="22363"/][/dataset][dataset seriesName="OEE (%)" parentYAxis="S" color="666666" yAxisMaxValue="95"][set value="31.45"/][set value="52.39"/][set value="25.22"/][/dataset][trendlines][line color="#ff0000" displayvalue="Referenz" startValue="90" parentYAxis="S"/][/trendlines][/graph]
<chart SyAxisMaxValue='95'..>
That sets the y-max for secondary axis.