CARLO GAVAZZI EN61036 Manuale Utente

WM22-DIN: three-phase poweranalyzerHarmonic analysis; Energy meters;Plug and play technique. Theseare only a few among many otherfunctions performed b

▲▲10 VT ratioThis function allows the user to se-lect the value of the VT ratio. Exam-ple: if the primary of the connectedVT (voltage transformer) is

▲▲11 Total Harmonic DistortionThis function allows the user to en-able the FFT analysis and the dis-play of the total harmonic distortion(see also “

▲▲12 Digital Outputs❑ Digital Output 1This function enables to set the pa-rameters of the open collector dig-ital outputs. Choose the “diGout”functio

▲▲13❑ Alarm Digital OutputThis function allows the user to setthe parameters of the alarm digitaloutput. Choose the “diGout1- ALr ”function by means o

▲▲14❑ Digital output 2ACt EnE: enables the retransmissionof the active energy by means ofpulses; confirm with and after-wards set the number of puls

▲▲15 RS422/ 485 Serial port addressSelect “AddrESS” from the mainmenu by means of the and keys; to enter the menu press ,then set the desired a

▲▲16 Reset of Total metersSelect “rESEt tot” from the mainmenu by means of the and keys, confirm with : when theinstrument asks for the reset

▲▲17 Only in the 5(10)A versionReset of the maximum valuesof the dmd powersSelect “rESEt dmd” from the mainmenu by means of the and keys, confirm

▲▲18 Only in the version 20(90)A.Reset of the maximum currentvaluesSelect “rESEt m” from the mainmenu by means of the and keys, confirm it with

▲▲19Useful informationReset of the meters1723List of the variables23The variables measured by the instrument arecorrect if the polarities of the input

▲▲2Index3Front panel4CARLO GAVAZZIWM22 DIN, three-phase power analyzer.FW rev. 02TO BEGIN WITH...

▲▲20 CT and VT programming; Open collector PulseDigital Output TableThe CT is programmable from 1 to 5000, the VT is program-mable from 1.0 to 199.9

▲▲21Useful informationExample 11919Module combination2523are reset (after an alert message for confirmation). The reso-lution of the energy meters is

▲▲22 Alarm digital outputThe activation of the alarm can be high or low depending on how theON and OFF parameters have been set, as per the following

▲▲23IT IS IMPORTANT that the instrument is switchedoff when you plug-in or disconnect the modules.For SAFETY reasons, in the 20 (90)A version,the tig

▲▲24Installation How to remove the front coverPressTo remove the front cover of WM22, press contemporane-ously the four release levers at the fo

▲▲25InstallationNOITPIRCSEDELUDOM-FLESDEILPPUSREWOPYRAILIXUAYLPPUSA A Btuptuorotcellocnepo0092OA)etomerromrala,eslup(✓✓tuptuoeugolana1292OA/0292OA✓tup

▲▲26 Removing the modulesIdentificationlabelConnectionlabelSlot for thescrewdriverTo remove the modules, use a screwdriver. Insert the scre

▲▲27 Dimensions and panel cut-outHoledistancesdimensionsfor panelmountingDimensionsforpanel-cut-out 1 2 1 2 on onSlot BAccess toprogramming:ALLOWED

▲▲28Installation Open collector output connections245A Electrical connections29List of the variables2333 Analogue output connections RS422/ 485 Ser

▲▲294-wire connectionFig.2: Direct connectionwithout neutral (3-wiresystem).Unbalanced load.Auxiliary power supplyFig.1: Direct connectionwith neutral

▲▲3Go to the page where the previous mainsubject is described.Go to the page where the next main subject isdescribed.Go to the page where the subject

▲▲30 5 A Version Electrical DiagramsFig.4: Direct connectionwith/without neutral(3-wire system).Unbalanced load.Auxiliary power supplyLOADFig.3: dire

▲▲31Installation90A connections292433Technical features35Fig.7: 3-phase ARONCT connection withoutneutral. Unbalancedload.Auxiliary power supply 5 A v

▲▲32Fig. 8: ARON CT andVT connection withoutneutral (3-wire system).Unbalanced load.Auxiliary power supplyFig.9: CT and VTconnection with neutral(3-wi

▲▲33InstallationDual-phase system3124Software functions38Fig.10: CT and VTconnection withoutneutral (3-wire system).Unbalanced load.Fig.11: CT and V

▲▲34 Number of inputsCurrent: 3Voltage: 4 AccuracyDisplay, RS422/485 Ib: 5A, Imax: 10A; Ib: 20A, Imax: 90A.Current: from 0.003Ib to 0.2Ib: ±(0.5%RDG

▲▲35Technical featuresHF electromagnetic fields: < 1%Influence of accessories: 0 Temperature drift≤ 200ppm/°C Sampling1000 samples/s at 50Hz Dis

▲▲36 Rated input voltages (Un)/rangeAV0-AV4: 208VL-L / -20% ≤ Un ≤ + 20%AV8: 208VL-L / -20% ≤ Un ≤ + 15%AV1-AV5-AV9: 400VL-L / -20% ≤ Un ≤ + 15%AV3-A

▲▲37Technical featuresMeasurements3534 40Scaling factor: programmable within the whole retransmissionrange; it allows the retransmission of all the va

▲▲38Technical features5A connections3334 40- one alarm output and one pulse output (kWh or kvarh)- one output remotely controlled by means of the seri

▲▲39System selection: three-phase with neutral, three-phase with-out neutral.Transformer ratio: CT from 1 to 5000; VT from 1.0 to 199.9and from 200 to

▲▲4To begin with Front panel descriptionDisplayprevious pageDisplaynext pageAccess toprogramming orSetting confirmationBacklightedLCD displayInstrume

▲▲40 General featuresOperating temperature: 0 to +55°C (R.H. < 90% non con-densing at 40°C).Storage temperature: -20 to +60°C (R.H. < 90% non

▲▲5Total harmonic distortionexpressed as % for thefollowing currents:A-L3A-L1A-L2Total kWhenergy meter.Total kvarhenergy meter.Partial kWhenergy meter

▲▲6WΣ is always 00 incase of connectionswithout neutral.W-L3W-L2W-L1VΣ is always 00 incase of connectionswithout neutralV-L3V-L2V-L1Err: it’s display

▲▲7VAΣ is always 00 incase of connectionswithout neutral.VA-L3VA-L2VA-L1VArΣ is always 00 incase of connectionswithout neutral.VAr-L3VAr-L2VAr-L1PFΣ

▲▲8 Access to the main menuTo access to the programmingmenus from the measuring and dis-play phase, press the key: whenthe instrument asks for the

▲▲9Programming1.2.. ..2.1Displayed pages7818Alarm output13 SystemThis function allows the operator toselect the electrical system choos-ing between t