24 Device Description WAGO-I/O-SYSTEM 750750-494 3-Phase Power Measurement ModuleManualVersion 1.2.03.6.4 Measured ValuesTable 11: Technical Data ‒ Measured ValuesMeasuring procedure Calculation of true RMS for voltagesand currents, sample rate 8 kHzsynchronous on all 6 measuring inputs,24 bits resolutionCalculated values Phase-to-phase voltages, powers,energies, power factors, networkfrequencies, harmonics analysis up tothe 41st harmonicUpdate cycle of process dataRMS voltage Lx-N 40 msMin./max. RMS voltage Lx-N 50 msRMS voltage Lx-Ly 340 msArithmetic mean value voltage Lx-N To be set, 5 ... 900 sPeak value voltage Lx-N 200 msRMS current Lx 40 msMin./max. RMS current Lx 50 msArithmetic mean value current Lx To be set, 5 ... 900 sPeak value current Lx 200 msActive power Lx 40 msMin./max. active power Lx 50 msReactive power Lx 340 msApparent power Lx 40 msAll energy values 400 msSupply network frequency Lx 280 msMin./max. frequency of supplynetwork Lx280 msPhase angle phi Lx 340 msPower factor cos phi Lx 340 msPower factor PF Lx 280 msPower factor LF Lx 280 msHarmonics analysis• Current 260 ms• Voltage 260 ms• HD/THD current 260 ms• HD/THD voltage 260 msDC voltage Lx-N 40 msDC current Lx 40 msPower (DC current) Lx 40 msMeasuring errorsAC voltage <= 0.3 % of full-scale value(<= 0.5 % for 750-494/025-xxx)AC current <= 0.5 % of full-scale value
