An example payload is shown below with 3 readings of both site real power and site voltage to demonstrate the relationship of the resources within the Metering Mirror function set. For brevity, this example does not cover the full expected payload requirements, only a sample is shown.
<MirrorMeterReadingList xmlns="urn:ieee:std:2030.5:ns">
<MirrorMeterReading>
<mRID>0800001234</mRID>
<MirrorReadingSet>
<mRID>0900001234</mRID>
<description>Site Real Power</description>
<Reading>
<timePeriod>
<duration>300</duration>
<start>1655164518</start>
</timePeriod>
<value>2000</value>
</Reading>
<Reading>
<timePeriod>
<duration>300</duration>
<start>1655164818</start>
</timePeriod>
<value>2000</value>
</Reading>
<Reading>
<timePeriod>
<duration>300</duration>
<start>1655165118</start>
</timePeriod>
<value>2000</value>
</Reading>
</MirrorReadingSet>
</MirrorMeterReading>
<MirrorMeterReading>
<mRID>0810001234</mRID>
<MirrorReadingSet>
<mRID>0910001234</mRID>
<description>Site Voltage</description>
<Reading>
<timePeriod>
<duration>300</duration>
<start>1655164518</start>
</timePeriod>
<value>241</value>
</Reading>
<Reading>
<timePeriod>
<duration>300</duration>
<start>1655164818</start>
</timePeriod>
<value>242</value>
</Reading>
<Reading>
<timePeriod>
<duration>300</duration>
<start>1655165118</start>
</timePeriod>
<value>240</value>
</Reading>
</MirrorReadingSet>
</MirrorMeterReading>
</MirrorMeterReadingList>