Power Quality AnalyzerAnalizzatore di Qualitàdella ReteUSER MANUALMANUALE ISTRUZIONIWM23-96Modular systemTecnologia modulareCARLO GAVAZZIAutomation Co

By changing the VT and CTratio, the energy meters arereset.▲▲9ProgrammingAlarm output7Main menu71317 VT ratioThis function allows the user to select

▲▲10ProgrammingDigital outputs5Measuring pages71217If for example, you select the value “15 minutes”,the instrument calculates the demand value andupd

▲▲11ProgrammingSerial port9VT ratio71517ule). Every subsequent change ofstatus, resets and synchronizesagain the calculation of the powerdmd. It is po

▲▲12ProgrammingAnalogue output7Main menu71417 Digital Outputs❑ Digital Output 1This function enablesto set the parameters of the dig-ital outputs. C

▲▲13ProgrammingReset of max and min values11Harmonic distortion71717rnG: select the position of thedigital point;Set-on: activation set-point,value of

▲▲14ProgrammingEnd of programming9VT ratio71617❑ Digital Output 2ALr: access to the alarm function(see alarm digital output on page12) confirm with t

▲▲15ProgrammingUseful information13Alarm output71917keys and confirm it with .LoA: % value of the zero of theoutput range (0-20mA, 0-10V) thatis gene

▲▲16ProgrammingUseful information11Synchronization71817 Digital FilterSelect “FiLtEr” by means of the and keys: to enter the menupress . Select the

▲▲17ProgrammingUp/down alarm 15Serial port721 Reset of min values Select “rESEt MI” from the mainmenu by means of the keys,then confirm with . When

▲▲18Useful InformationWhat’s ASY13Digital outputs2021 How to prevent the programming by key-padIt is possible to prevent any access toprogramming by

WM23-96: Power Quality AnalyzerPlug and play module system;Harmonic analysis; Wmax and PFminstorage. These are only a few amongmany other functions pe

▲▲19Useful InformationMounting17Reset min and max values182321tiples are automatically selected by the instrument accord-ing to the selected VT and CT

▲▲20Useful InformationInstallation15Serial port182121 What is ASYThe ASY variable allows the user to control the symmetryof the delta voltages (for

Alarm digital outputThe activation of the alarm can be UP or DOWN dependingon how the ON and OFF parameters have been set, as perthe following table

▲▲22InstallationAvailable Modules 17Reset of min and max values2431 Preliminary operationsBefore switching the instrument on, make sure that thepower

▲▲23InstallationOptional module connections21Useful information222731 Overall dimensions and panel cut-out❑ MountingInsert the instrument (holdingits

▲▲24InstallationPower supply modules19Useful information222631 Position of the slots and relevant modules Available modules❑ Analogue output modules

▲▲25InstallationSerial port connections23Mounting222931DESCRIPTION A B C D PU PS IMSingle analogue output ✓Double analogue output ✓RS485 Serial port

▲▲26InstallationSerial port connections21Useful information222831AQ10383 digitalinputsAQ10423 digitalinputs + auxAR1034RS485 serialportAR1039RS232 ser

▲▲27InstallationARON connections25Analogue modules223131Connection byNPN transistor.AQ1042 Digitalinput module Connection bycontacts.AQ1042 Digitalinp

▲▲28InstallationElectrical connections23Mounting223031This diagram is validalso for the open col-lector modules with alower number of out-puts. The va

▲▲2Index43CARLO GAVAZZIWM23-96, Power Quality AnalyzerFW rev. 01TO BEGIN WITH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .04 Front

▲▲29InstallationHarmonic analysis27Digital input modules223331❑ RS485/422 serial port (AR1034)4-wire connection. Additional devices provided with RS42

▲▲30InstallationTechnical features25Modules available223231 Electrical diagrams❑ Single-phase connection❑ Three-phase, 4-wire, unbalanced loadL1NL1NL

▲▲31InstallationSoftware functions29Serial port connections2235CT connections(3-wire system) ARONCT and VT connections (3-wire system) ARON❑ ARON conn

▲▲32Technical FeaturesRS422/48527Optional modules conn.3437 Number of inputsCurrent: 3Voltage: 4 Accuracy(display, RS422/RS485) In=5A; Pn= In* UnUN:

▲▲33Technical FeaturesUser’s Page31Electrical connections323837 Input impedanceAV4: 208VLL 5(6)AAC (AV4): >200 kΩAV5: 400VLL 5(6)AAC (AV5): >90

▲▲34Technical FeaturesGeneral specifications31Electrical connections323637Ripple:≤1% Load: 20 mADC ≤ 600 Ω; ±20 mADC ≤ 550 Ω; ±10 mADC≤1100 Ω; ± 5 mAD

▲▲35Technical Features33Harmonic analysis3237Controlled variables: V∑, Vn∑, PF∑, W∑, VA∑, var∑,Wdmd, VAdmd, An, ASY (asymmetry), THD V LN (the highest

▲▲36Technical FeaturesUser’s page35Single Phase Connections323837Page 9: VA L1, VA L2, VA L3Page 10: AL1Page 11: AL2Page 12: W∑, PF∑, var∑, HzPage 13:

▲▲37Technical Features35Software functions32Product: IEC 60688-1, EN 60688-1Approvals: CEConnections 5(6)A: Screw-type, max 2.5 mm2wires (2 x 1.5mm2)H

▲▲38User’s Page35Harmonic analysisName: . . . . . . . . . . . . . . . . . . .Surname: . . . . . . . . . . . . .Company name: . . . . . . . . . . .

▲▲3IndexMain menu27 Front panel cut-out . . . . . . . . . . . . . . . . . . . . . . .23 Module combination . . . . . . . . . . . . . . . . . . . .

OUR PRODUCTION SITESCarlo Gavazzi Industri A/SHadsten - DENMARKInductive and CapacitiveProximity Sensors in full metal andplastic housings. Photoelect

▲▲4To begin withMeasuring pages6 Frontal Panel DescriptionBack-lighted LCD Display.Display previous page.Display next page.Access to programming orse

▲▲5To begin withVT ratio3Index496Display total harmonic dis-tortion for the single phasevoltages expressed as %.Display total harmonic dis-tortion for

▲▲6To begin withChange password48kvar L1kvar L2kvar L3W L1 MaxW L2 MaxW L3 MaxMaxW L1W L2W L3PF L1 MinPF L2 MinPF L3 MinMinPF L1 PF L2PF L3PF ∑A L1

When the “AL” box (normally used for the alarmindication) is active during the programming phase,it means that the displayed value can be modified.Thi

▲▲8ProgrammingDmd calculation3Index71017 SystemThis function allows the operator toselect the electrical system choos-ing between three-phase with ne