16.2.6 Monitored dataPID-6872-MONITOREDDATA v3Table 437:ETPMMTR Monitored dataName Type Values (Range) Unit DescriptionEAFACC REAL - MWh Accumulated forwardactive energy valueEARACC REAL - MWh Accumulated reverseactive energy valueERFACC REAL - MVArh Accumulated forwardreactive energy valueERRACC REAL - MVArh Accumulated reversereactive energy valueMAXPAFD REAL - MW Maximum forward activepower demand value forset intervalMAXPARD REAL - MW Maximum reverse activepower demand value forset intervalMAXPRFD REAL - MVAr Maximum forwardreactive power demandvalue for set intervalMAXPRRD REAL - MVAr Maximum reversereactive power demandvalue for set interval16.2.7 Operation principle GUID-4A46757C-EC5D-4BCE-9D09-C8152B062CE1 v3The instantaneous output values of active and reactive power from theMeasurements function CVMMXN are used and integrated over a selected timetEnergy to measure the integrated energy. Figure 304 shows the overallfunctionality of the energy calculation and demand handling function ETPMMTR.1MRK 505 394-UEN A Section 16MeteringLine differential protection RED650 2.2 IEC 617Technical manual