CARLO GAVAZZI EN61036 Manuale delle Istruzioni

WM4-96: Modular Universal UtilityMeter and Power Analyzer Harmonic analysis; Energy meters;Load profile; Plug and play modulesystem; SMS reception and

▲▲10Displaying of the variablesDisplay of Gas Water meters5WM4-96 philosophy81216❑ Pages from "19" to "24" (from 10 to 11 in singl

▲▲11Displaying of the variablesPass 9999Displaying of min/max values81516❑ Pages relating to the energy meters❑ Page "25" (3 without measuri

▲▲12Displaying of the variablesPass 10007Front panel81416❑ Page "27" (5 without measuring input module) Display of Gas and Water meterskey

▲▲13Displaying of the variablesAccess to the main menu11Displ. of partial energies81716depending on the acquired data, dividing them into: daily,weekl

▲▲14Displaying of the variablesPass 9979Measuring pages: 00 to 1381616programmed for that hour time period, the storage time of theWdmd sample and the

▲▲15Displaying of the variablesInput programming13Load profile81916To reset all the events press the key, to continue thereset procedure press the k

▲▲16Displaying of the variablesInputs11Energy Meters pages818❑ Pass "998": display of the stored dmd variables(Only if the RS232 + RTC modul

It is very important to verify that, every time theconfiguration of the instrument (modules and/orassociated variables, electrical systems, etc.)chang

▲▲18ProgrammingA3-C3 Inputs13Load profiles172033 Change PasswordThis function allows you tochoose the desired passwordvalue (from 0 to 500).Press the

with ; choose “ON” to enable the metering: the followingwindow appears: selection between H2O/GAS and kWh- (gen-erated Kwh) “ENERGY METER”; choose the

▲▲2IndexIndex44WM4-96 Instruction manual: INDEXCARLO GAVAZZIWM4-96, 32-bit µ-processor based modular universal utili-ty meter and power analyzerFW re

▲▲20ProgrammingTariffs remote control15Display of consumed energy172233kvarh- will be enabled).3- Once the desired type of meter is confirmed, the ins

❑ Analogue measuring inputmodule NOT installed(AQ1018 - AQ1019).The instrument carries outonly the following measures: W,var, Wdmd, vardmd, PFdmdusing

▲▲22ProgrammingTariff table17Entering the main menu172433the counting of the “W” and “var” energies proceed as fol-lows:5- Choose the C1 INPUT functio

the keys, confirm with . When the ON/OFF win-dow appears select ON by means of the keys toenable the INPUT or OFF to disable it, then confirm yourc

▲▲24ProgrammingVT-CT ratio19Digital inputs programming172633Example 1: measure of all the instantaneous variables,energies and gas + night gas. Procee

▲▲25ProgrammingEvents selection23List of digital inputs172933S▼▲Any modification to the system settings will makethe MIN/MAX values, the events and th

VT-PT ratioThis function allows theuser to select the multipliervalue of the VT. Example: ifthe primary of the VT (voltagetransformer) being connect

▲▲27ProgrammingAverage calculation25System173133▼▲1.2...2.1SFS▼▲▼▲SChoose the function VT-PT RATIOby means of and ; to con-firm press ; then selec

MIN MAX VALUESThis function allows the userto associate some variablesto the automatic recordingof maximum values (from MAX1 toMAX12) and minimum va

▲▲29ProgrammingAvg calculation, graphs27Display page173333FS▼▲▼▲S EVENTS SELEC.This function allows theuser to enable the eventsfor data logging:• MA

▲▲3IndexFront panel274❏ Pass “997”: reset of data memory . . . . . . . . .16❏ Pass “996”: reset of load profiles . . . . . . . . . .16 LET’S START

▲▲30ProgrammingSynchronization25System173233 Data loggingThis function enables the loggingof the required variables in the datalogging.1) Choose the

▲▲31ProgrammingDual-time prog. meter29Events selec.173533FS▼▲FFS▼▲FS▼▲S▼▲ DMD/AVG calcul.This function allows you toselect the calculationmethod of W

▲▲32ProgrammingEnergy meters27Display page173233updates its value at first after 15 minutes and afterwardsevery minute generating a window whose width

▲▲33ProgrammingHolidays period31DMD/AVG calculation1737FIXED AVERAGE CALCULATIONFLOAT AVERAGE CALCULATIONWhere: Pmax is the maximum measured power,Pc

▲▲34Counters ManagementTariffs examples29Events Selection3643 Access to the CountersmenuThis function allows you tochoose the type of managementof th

▲▲35Counters ManagementMultitariff counters33Graphs, AVG calcul.343943SFFS▼▲S▼▲1-press : the first box (trf=tar-iff) is highlighted;2-press again: t

▲▲36Counters ManagementTariffs examples29Events selection3643ters; use the key to move from the left to the right and thekey to move from the right t

▲▲37Counters ManagementMulti-time Energy Counters33Avg calculation, graphs343943hour of the previous time period;d) the daily loop is closed by settin

15-press the key again to open the box where the dayis to be set,16-use the and keys to select the desired day (from1 to 31 depending on the previo

▲▲39Counters ManagementInstalled power35Dual tariff prog.344143❑ MULTI TARIFFThis function allows the management of the countersaccording to many peri

▲▲4IndexThe connecting instrument26❏ Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47❏ Diagnostics . . . . . . . . . . . . . . .

▲▲40Counters ManagementTariffs examples33Avg calculation, graphs344043DUAL TARIFF managementtrfendstartWHOLE YEARWHOLE YEAR1 OO:OOO8:OO2 O8:OO2O:OO1 2

▲▲41Counters ManagementCounters reset37HOLIDAY periods344343❑ Installed powerThis function allows the userto set the maximum installed tar-iff power (

▲▲42Counters ManagementCounters reset35Dual time counters progr.344243❑ Reset of the EnergyCountersThe “RESET” menu allowsyou to reset the energy cou

▲▲43Counters ManagementDigital outputs39Multi-time counters344543S▼▲❑ Gas Counters ResetThe GAS RESET menu allowsthe user to reset the gas counters.Se

▲▲44Outputs / Other settingsPulse output39Multitariff counter4655 Harmonics analysisThis function enables the displayof the windows relating tothe ha

▲▲45Outputs / Other settingsSerial output43Counters reset444955The EURO/USA function allows the user to displaythe date and time according to the EURO

▲▲46Outputs / Other settingsDiagnostic41Installed power444855The meaning of the symbols on the display is the following:OUT C0 (1): digital output SLO

▲▲47Outputs / Other settingsGSM45Digital outputs445155F▼▲S▼▲Stype. Confirm with and go back to the digital outputmenu. To reset the choices and go ba

▲▲48Outputs / Other settingsModem43Counters reset445055•Type: type of alarm: up alarm (MAX); down alarm (MIN); upalarm with latch (UP L): in this case

▲▲49Outputs / Other settingsSMS table47Alarms445355❑ Remote controlThis function enables the controlof the digital outputs by means ofS▼▲the RS485/RS2

▲▲5To begin withHow to scroll the pages3Index97HOW TO USE THE SYMBOLSGo to the page where the previous main subjectis described.Go to the page where t

▲▲50Outputs / Other settingsHow to use SMS45Digital outputs445255❑ ModemThe instrument communi-cates with a remote PC by ananalogue modem.Select MODEM

▲▲51Outputs / Other settingsLanguage49Serial output445555F▼▲SF▼▲S▼▲Smanaged for each call. The subsequent calls are managedby priority: if the first p

▲▲52Outputs / Other settingsDigital Filter47Alarm445455keys and confirm it by . Then, select the desired numericcode by means of the and keys and co

▲▲53Outputs / Other settingsWhat is ASY51GSM445755REQUIRED REQUEST REPLYINFORMATION CODE TEXTVL1, VL2, VL3, VL-NΣWM4.xxx.VN WM4.xxx:[info]VL1-2, VL2-3

▲▲54Outputs / Other settingsUseful Info49Serial Outputs545655❑ RS 485Select SERIAL OUTPUTfrom the main menu,then selectRS485 by means of the andkeys

▲▲55Outputs / Other settingsList of Variables53SMS table5459• COEFFICIENT, to set the filteringcoefficient of the instantaneousmeasurements.Increasing

▲▲56Useful InfoList of Variables51GSM5859The variables measured by the instrument are correctif the inputs have been connected according to theright p

▲▲57Useful InfoDimensions, Panel cut-out55Language566159higher value of this coefficient results in a higher settling time,that means a higher stabili

▲▲58Useful InfoInstallation53SMS Table566059No 1st variable 2nd variable 3rd variable 4th variable5 var L1 var L2 var L3 var Σ6 VA L1 VA L2 VA L3 VA Σ

▲▲59Useful InfoOptional modules table57What is ASY5663V1LAΣ 3LAVDHTI2VDHTII3A1LV1LWAV ∑ 3VDHTDHTI3A3LV2LW2LFPDHTll3VAΣ dmdN-LV ∑ 3LW3LFPDHTl3VdmdAV2-1

The menu, being withoutmeasuring input module,is modified.The menu, withoutmeasuring input mod-ule, is no more available ▲▲6To begin withPage 00587-

Extract the centralmodule.ceived to be mounted in one slot only. To know in which slotevery module is to be mounted, refer to the figure on page 62. F

▲▲61InstallationConnect. of optional modules59Preliminary operations606567 Overall dimensions and panel cut-out❑ MountingInsert the instrument (holdi

▲▲62InstallationPower supply modules57What is ASY?606467 Position of the slots and relevant modules Available modules❑ Relay digital output modulesA

DESCRIPTION A B C D PU PS IMRS485 Serial output ✓RS232 Serial output + ✓RTC+Data MemorySingle relay output ✓✓Single open collector output ✓✓Dual relay

▲▲64InstallationSerial output connections59List of the variables606667AQ10383 digitalinputsAQ10423 digital inputs+aux power supplyAR1034RS485Interface

▲▲65InstallationElectrical connections63Position of optional modules606967Connection bymeans of NPN transistor.AQ1042 digitalinput moduleConnection by

▲▲66InstallationElectrical connections61Dimensions, Panel cut-out606867❑ Relay output❑ Open collector outputs❑ RS485 serial port4-wire connection. Add

▲▲67InstallationSingle-phase connections65Digital input connections60712-wire connection. Additional devices provided with RS485(that is RS 1, 2, 3 ..

▲▲68Electrical connectionsARON connection63Position of the modules7071 Electrical connection diagrams❑ 3/4-wire three-phase connection, balanced load

▲▲69Electrical connectionsTechnical features67Serial output connection687371❑ Three-phase, 4 wires, balanced load❑ Three-phase, 4 wires, Unbalanced lo

▲▲7To begin withEnergy meters5WM4-96 philosophy511 Front panel descriptionExit from the menuand cancel thechoice you havemade.It allows the user toac

▲▲70Electrical connectionsTechnical features65Optional module connection687271CT connection (3-wire system) ARONCT and VT connection(3-wire system) AR

▲▲71Electrical connectionsRS232694-wire connection687571Direct connectionCT and VT connectionCT connection❑ 3-phase / 3-wires conn. ❑ Single-phase con

▲▲72Technical featuresMeasurements67Serial output connection 7483 Input featuresNumber of analogue inputsCurrent: 1 (single-phase; system: 3).4 (thre

▲▲73Technical featuresSoftware functions71Single phase connections727783Voltage: range AV5: ±0.5% rdg (48 to 300VL-N)range AV7: ±0.5% rdg (80 to 480VL

▲▲74Technical featuresDigital outputs69Three-phase connections727683Sampling: 6400 samples/s @ 50Hz.Display: graphic back-lighted LCD (128x64 dots). S

▲▲75Technical featuresLoad profile73Additional errors727983 Output specifications RS422/RS485 (on request)Bidirectional multidrop (static and dynami

▲▲76Technical featuresFilters71Single phase connections727883GSM modem for the transmission of SMS messages: ofdata logging and energy meters. The ala

▲▲77Technical featuresGeneral specifications75RS232728183 Alarm outputs (on request)Number of set-points: up to 4, independent.Alarm type: up alarm,

▲▲78Technical featuresWM4 Soft73Additional errors728083power quality analysis (LV or MV/HV connection). Indirectenergy and power measurements by means

▲▲79Technical featuresTime periods77Software functions728383 Data management typeType: FIFO. Memory size: 2Mb. Battery life: 10 years Data logger fu

▲▲8Displaying of the variablesHarmonic analysis3Index1016 Page “00”, Starting pageWhen the instrument is swtched on, the main page of variabledisplay

▲▲80Technical featuresHarmonic Analysis75RS232728283Stored events: 240 pages, display by means of pass-word. Data logger: display of the data by means

▲▲81Technical featuresUser’s page79Load profile728483 General specificationsOperating temperature: 0 to +50°C (32 to 122°F)(R.H.< 90% non-condensi

▲▲82Technical featuresUser’s page77Software functions728483 Harmonic analysisAnalysis principle: FFT.Harmonic measurement: current, up to the 50thhar

▲▲83Technical features81Supply specifications72 Time period management (energy, water andgas metering)Time periods: Energy. Selectable: single time,

▲▲84User’s page79Load profileName: . . . . . . . . . . . . . . . . . . .Surname: . . . . . . . . . . . . .Company name: . . . . . . . . . . . . . .

▲▲9Displaying of the variablesLoad profiles7Front panel81316 How to scroll the various pagesTo scroll the various pages, use the and keys.Pressing