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If used, only manual changed to the data will be exported. Unless the manualDBChangeViewPeriod is used, the relativeViewPeriod from the associated timeSeriesSet is used. Note:  the view period is calculated relative to the dispatch time and not T0

exportChanges

If configured,  any  changes to the data in the configured period will be exported. Unless the dbChangeViewPeriod is configured, the relativeViewPeriod from the associated timeSeriesSet is used . Note:  the view period is calculated relative to the dispatch time and not T0

An example:

<general>
    <exportType>PI</exportType>
    <folder>$EXPORT_FOLDER$</folder>    
    <exportFileName>
        <name>exportedTimeSeries.xml</name>
    </exportFileName>
    <exportChanges>
         <dbChangeViewPeriod unit="day" multiplier="2"/> 
    </exportChanges>
</general>

columnSeparator and decimalSeparator

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