CARLO GAVAZZI WM3-96 - PROGRAMMING Manuale utente

▲

CARLO GAVAZZI

WM3-96

32bit µ-Processor based power quality analyser with

modular housing for Plug and Play modules

FW rev. 12

Instruction manual: INDEX

TO BEGIN WITH................................................................ 5

■ The main programming parameters..........................5

■ Front panel description .............................................6

■ Display adjustment....................................................6

DISPLAYING OF THE VARIABLES...................................7

■ Page “00”, starting page ...........................................7

■ How to scroll the display pages ................................8

■ How the F key changes function depending on the

display page..............................................................8

❏

Pages from “00” to “13”: displaying of the variables ...

❏ Pages from “14” to “18”: displaying of the MIN

and MAX values.................................................8

❏ Pages from “19” to “24”: displaying of the

harmonic analysis ..............................................9

❏ Displaying of the Energy meters.......................10

❏ Page “25”: displaying of the total energy meters .........10

❏ Page “26”: displaying of the partial energies ....10

❏ Page “27”: displaying of the instrument’s configuration11

❏ Displaying with access to the pass code .......... 11

❏ Pass “1000”: displaying of the recorded events 11

❏ Pass “999”: energy consumption storage.........12

LET’S START

.................................................................

■ Main menu ..............................................................13

■ Changing the password ..........................................14

■ Electrical system .....................................................14

■ CT ratio .................................................................15

■ VT ratio .................................................................16

■ Display page ...........................................................16

Index

How to use the symbols

▲

Index

Displaying of the variables

■ MIN MAX values .....................................................17

■ Selecting the events................................................18

■ Average values calculation ....................................19

ENERGY METERS MANAGEMENT................................22

■ Access to the management menu of the energy meters....

❏ Single tariff management..................................22

❏ Dual tariff Management: whole year.................22

❏ Programming of the holidays period.................25

❏ Multi-tariff management of the energy meters .....

❏ Reset of the energy meters ..............................28

OUTPUTS / OTHER SETTINGS ......................................29

■ Displaying of the harmonics....................................29

■ Clock setting ...........................................................30

■ Digital outputs .........................................................30

❏ Pulse output......................................................31

❏ Alarms...............................................................32

❏ Diagnostics .......................................................34

❏ Remote control .................................................34

■ Analogue outputs ....................................................35

■ Serial outputs ..........................................................36

■ Digital filter ..............................................................37

■ Language ................................................................37

USEFUL INFORMATION..................................................38

■ What is ASY? ..........................................................41

INSTALLATION ................................................................41

■ Preliminary operations ............................................43

■ Before mounting the modules .................................43

■ Overall dimensions and panel cutout......................45

■ Mounting .................................................................45

■ Position of the slots and relevant modules .............46

■ Available modules ...................................................46

❏ Analogue output modules .................................46

❏ Digital output modules ......................................48

❏ Other input/output modules ..............................48

❏ Power supply modules .....................................49

■ Connections of optional modules............................49

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❏ V/mA single analogue outputs ..........................49

❏ V/mA dual analogue outputs.............................49

❏ Relay output .....................................................50

❏ Open collector output .......................................50

❏ Digital inputs .....................................................50

❏ RS485 serial output ..........................................51

ELECTRICAL DIAGRAMS...............................................52

■ Electrical connection diagrams ...............................52

❏ Three-phase connection, Balanced load ..........52

❏

4-wire three-phase connection, unbalanced load

❏ 3-wire, three-phase Aron connection ,..................

unbalanced load ................................................54

❏ Single-phase connection ..................................55

TECHNICAL FEATURES .................................................56

■ General features .....................................................56

■ Input specifications .................................................56

■ Over-load protection ...............................................58

■ Key-pad .................................................................58

■ Output specifications...............................................58

■ Software functions ..................................................61

■ Harmonic distortion analysis ...................................62

■ Energy Management...............................................63

■ Power supply specifications....................................64

■ General specifications.............................................64

HOW TO USE THE SYMBOLS

Go to the page where the previous main

subject is described.

Go to the page where the next main subject

is described.

Go to the page where the subject written

on the top of the current page starts.

Index

▲

Front panel description

▲

To begin with

Displaying of the harmonic analysis

Index

Go to the page where the subject written

on the bottom of the current page starts.

Thissymbolindicatesaparticularlyimportant

subject or information.

This symbol indicates that more details are

given on the current subject.

We suggest you to keep the original pack-

ing in case it is necessary to return the

instrument to our Technical Service De-

partment.Inordertoachievethebestresults

with your instrument, we recommend you

to read this instruction manual carefully.

■

Main programming parameters

•Programming of the password

•Selection of the electrical system

•Programming of the CT ratio (up to 30,000 A)

•Programming of the VT ratio (up to 600kV)

•

Selection of the variables for the MIN / MAX detection

•Programmingofthecalculationoftheintegrationtimeperiod

•Tariff management

•Harmonic analysis enabling

•Clock adjustment (if present)

•Programming of the pulse output (if present)

•Programmingof the serialandanalogue outputs (ifpresent)

•Programming of the digital filter.

▲

To begin with

■

Front panel description

Scroll the display pages

Exitfrom the menu and

cancel the choice you

have made.

It allows you to access

somefunctionsrelating

to the displayed

variables.

Scroll to the

previous page.

Scroll to the

next page.

Access to programming

or settings’confirmation.

Alphanumeric indication by means of a 7-segment

graphic LCD (128 x 64 dpi):

•of the programming parameters;

•of the measured variables;

•Total number of energy meters: 4 (9 digits);

partial number of energy meters: 48 (6 digits);

•time periods: 4 programmable within 24 hours

•Programmable seasons: 3 within 12 months

■

Display contrast adjustment

Inordertogetthebestreadability ofthedisplay,holdthekeys

and pressed simultaneously, until the desired read-

ability is reached; the adjustment is cyclical.

The contrast can be adjusted only during the

measuring phase (from page 00 to page 27).

▲

Displaying of the variables

Pass 999

To begin with

■

Page “00”, Starting page

When the instrument is switched on, the main page of

variabledisplayingis shown.Thisfirstpage,called page"00",

is the only one configurable by the user who can choose the

variables to be displayed in the 4 displaying areas. In all the

otherpages (up to27 dependingonthe instrument configura-

tion), the type of variables displayed in the four displaying

areas isautomaticallyselectedandcannotbechanged.Inthe

tableonpage41youcanseethecontentsofallthepagesthat

can be displayed by WM3-96.

Measured variables

The bottom part of the display, where the status of the digital

outputsisindicated, iscommontoallthepages.Iftheoutputs

are not present, only an empty black rectangular frame is

shown;if theoutputsarepresent,thedisplaywillshowaletter

followed by a number. Four different letters may appear:

"P" Indicates a pulse output.

"A" Indicates an alarm output. In this case the letter can be

white in a black background to indicate that the output is

inalarm,orblackinawhitebackgroundtoindicatethatthe

output is not in alarm.

"D" Indicates a diagnostic output. This is a particular type of

alarmthatisactivatedwhentheneutralwireconnectionis

missing. The alarm is active when the background is

black, while the alarm is not active when the background

is white.

"R"

Remote control is activated (see Remote Control on page

34).

The number that follows the letter is the progressive number

of the output (from 1 to 4).

Clock

Number of the

displayed page

▲

Index Energy meter pages

310

■

How the F key changes function depending on

the display page

❑

Pages from "00" to "13" (04 in single phase mode)

Displaying of the variables

key

enabled if the alarm latch function is activated,

access to the reset of the latch alarms.

To reset the latch alarm press the key; after that a

message will appear "WILL YOU RESET THE LATCH

ALARMS?": if you choose you will enable the reset

procedure,ifyouchoose therewon’tbeanyreset. The

reset of the latch alarm is only available if the alarm event

is finished.

❑

Pages from "14" to "18" (from 05 to 09 in single phase

mode). Displaying of the MIN and MAX values

The key is active, that means that you have access to the

reset function of the “MIN”and “MAX”values.

To reset the

"MIN/MAX" recording, proceed as follows: enter the

functionby pressingthe key,afterthata messagewill

appear: "WILL YOU RESET MIN/MAX VALUES, WILL

YOU CONTINUE?" If you choose there won’t be any

reset,ifyouchoose theresetwillnotbemade.The

(movesfromlefttoright)and (movesfromrighttoleft)

keys allow you to select the value that you want to reset;

toconfirmthereset press the key. To exit thefunction

press the key again.

■

How to scroll the various pages

To scroll the various pages, use the and keys.

Pressingthe keyinanyoneofthedisplaypages,

youaccesstotheprogrammingphase.The key,

on the contrary, has various functions depending on

the selected page.

Displaying of the variables

▲

SIMPLE ANALYSIS:

Displaying of the variables

712

Access to the main menu

713

DETAILED ANALYSIS:

he pointer

shows which

harmonic is

being measured

Page 00

Totalharmonicdistortionand

relevant value in percentage

Line phase being measured

(L1-L2-L3) and relevant

voltage or current value

Harmonicorder(h1toh50)ofthe

phase being measured (L1-L2-

L3)andrelevantabsolutecurrent

orvoltagevalueoftheharmonic.

Harmonic order (from h1 to h50),

relevantconventionalsign(–or+)

andvalueoftheharmonicgivenin

percentage.

Phase angle between the voltage and current harmonic of the

same order: a phase angle between 0°and 90°and between

270°and 360°corresponds to a generated harmonic; an angle

between 90°and 180°and between 180°and 270°corre-

sponds to an imported harmonic.

❑

Pages from "19" to "24" (10 to 11 in single phase mode)

Displaying of the harmonic analysis

When the instrument is supplied, these pages are not enabled, see

page29toenablethem.The keyisactive,accesstothedetailed

analysis of the harmonics. After pressing the key, a pointer

appears along the horizontal axis (see figures below). To display the

datarelatingtothesingleharmonicsmovealongthehistogram using

the (moves from left to right) and (moves from right to left)

keys. For each harmonic the instrument measures the % value with

referencetothefundamentaland thesingleharmonicanglebetween

the "V" harmonic and the "A" harmonic of the same order.

▲

Harmonics:

Displaying of the variables

Pass 999

712

To begin with

Generated

Imported

90°

270°

0°

180°

Thisangleisdisplayedonlyifthemeasurements

are taken in a three-phase system with neutral.

❑

Pages relating to the energy meters

❑

Page "25" (12 in single phase mode)

Displaying of the total energy meters

key disabled.

❑

Page "26" (13 in single phase mode)

Displaying of partial energies

key is active; modification of tariff/displayed period.

By pressing the key for the first time, the range

relatingtotheseasonishighlighted.Byusingthe and

keys, it's possible to change the season displayed in

that page. Pressing the key another time, the range

relating to the period is highlighted. Using the and

keys,it'spossibletochangethetariffperiodwithinthe

displayedseason. Pressingthe keyforthethirdtime,

you go back to the measuring page. The changes of

seasonandtariff period only refer tothedisplayingofthe

values stored in the corresponding season and period.

The changes carried out in this page do not have

any influence on the method of tariff management

of the instrument; they are only valid for display

purposes.

▲

Displaying of the variables

Harmonic analysis CT ratio

915

712

Alarms

(A1-A2-A3-A4).

Diagnostics

(D1-D2-D3-D4).

Pulse outputs

(P1-P2-P3-P4).

Digital inputs.

❑

Page “27”(14 in single phase mode)

Displaying of instrument configuration

keydisabled.Page27showstheconfigurationofthemain

input (IN) and output (OUT) modules.

The letters and numbers between parenthesis are referred to

therelevantslot,whilethetexton theirrightshowsthevariable

referred to the output. With reference to the digital inputs

(DIG.INP.), the ON/OFFstatusofeachoneofthemisshown.

❑

Displaying with access to the Pass Code

❑

Pass "1000": displaying of recorded events

(Only if the RS232+RTC module is present)

Pressthe key:when the instrument asksyou for thepass

code ,setthevalue"1000";iftheRS232+RTC

module is present, the instrument shows you the page where

the events are displayed and where the instrument stores, in

achronological order, thealarmsthat have occurreduntil that

moment. To go back to the variable page press the key.

The last event has always the number 1 while the number

corresponding to the first event varies, depending on the

numberofeventsthathave beenpreviouslystored.The figure

on the following page explains you the meaning of the dis-

played information.

Indice

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