MRD EarthSense ESM1 Manuale utente

EarthSenseESM1InsulationMonitor Version1.30

ESM1InstallationGuidePRINTVERSION.docx Commercialinconfidence ©MRDRailTechnologiesPtyLtd 12Sep2017

ESM1 Installation Guide

ESM1-A AC Power Supply

ESM1-B DC Power Supply

1. INTRODUCTION

TherearetwoESM1variants,identicalotherthanpowersupplyneeds

 ESM1‐AACPowerRequired(85‐264VoltsAC,50‐60Hz)

 ESM1‐BDCPowerrequired(9.6‐36Volts)

Thisdocumentprovidesbasicinformationontheinstallationandconnectionof

theEarthSenseESM1InsulationMonitortoanITsystem.Complete

informationonsetupandspecificationisavailablefrom

www.mrd.com.au/dl/esm1‐UM.pdf

TheESM1featuresadaylightreadableLCD,andallfunctionscanbeaccessed

andcontrolledusingthetwobuttoninterface.Thecurrentbuttonfunctionis

identifiedusingon‐screenlabels,andthemenusystemissimpletooperate

andprovidesguidanceandfeedback.Dependingonexperienceand

knowledge,itispossibletoinstalltheESM1withoutconsultingthemanual.

2. PRODUCTDESCRIPTION

TheESM1monitorstheInsulationResistance(IR)ofanattachedcircuitand

alertssystemoperatorsiftheIRfallsbelowauser‐selectedtripvalueforlonger

thanapre‐setperiod.Alertdevicesare:

 On‐screendisplayandLEDcolour/flash

 RelayactivateddevicesandExternalcommunicationusingRS485.

TherearetwoUserselectabletripvalues,RAN1andRAN2,referredtoasWarning

andAlarm.Intheeventofanalert,untilReset,thedevicewill:

 ContinuetomonitoranddisplaythecurrentIRvalue

 DisplaythehighestrecordedalertState(WarningorAlarm)

 DisplaythelowestIRvaluerecorded

 CountandDisplaythenumberofhourssincealertstarted

 ChangeLEDcolourandActivateRelay(s)(Ifthealertstate

continuesbeyondtheTripDelayperiod)

WarningandAlarmhavethefollowingsettableparameters:

 Trip(Response)Value(k)andTripDelay(seconds)

 RelayActivated(1or2)andActivatedState(NormallyOpenor

Closed)

Resetaredonemanually(onthedevice)orremotely(usingRS485ora

connectedresetswitch),orthedevicecanbeconfiguredtoAuto‐ResetiftheIR

increasesabovetheWarningvalue.

3. CEDECLARATIONOFCONFORMITY

ViewtheCEDeclarationofConformityathttp://www.mrd.com.au/dl/esm1‐DoC.pdf

P2

4. I

NSTALLATION



4.1 I

NSTALLATION

OTES



 RefertoWiringDiagramESM1‐0001

 DONOTconnectdevicesinparallel

 ExtracareisrequiredwhenconnectingBuscablestothedevice.DO

NOTallowBusConnectorwirestotouchanyterminalotherthanL1

andL2:thedevicewillbedamaged

 MRDrecommendsthatdeviceisconnectedtode‐activatedbus

 UseappropriatePersonalProtectiveEquipmentwhenhandlinglive

connections

4.2 M

OUNTINGTO

DIN



AIL



 Thedevicesnapfitstoastandard35mmDINRail

 HooktheinternalhookoveroneedgeoftheDINrail





 RotatetheunittowardtheDINRailuntiltheblackclipsnapsoverthe

edgeoftherail





 ToremovetheESM1fromtherail,useaninsulatedflatblade

screwdrivertoreleasetheclip:Insertthescrewdriverintothegap

betweenclipandbodyandrotateuntiltheclipreleasestherail.





5. C

ONNECTIONS



Allconnectionstotheunitusescrewterminalssuitableforstrippedcablesupto4mm2orsize12AWG.Toconnecta

cable:

 Strip8mmofinsulationfromthecableend

 Useaninsulated,flat‐bladescrewdrivertotightenterminalsto0.5‐0.6nmtorque.

 Ensureallconnectionsaretightbeforeuse

5.1 R

EQUIRED

ONNECTIONS



Installation

type

ACBus

Seediagrampage3

DCBus

Seediagrampage3

Bus  ConnectACBustoL1andL2  ConnectDCBustoL1andL2

Earth  ConnectEarthtoPE&TEusingseparatecables

 TestEarthConnections

Power

Supply

 Connectsupplyvoltagetoa1&A2.DCsupplymustobservepolarity.

 Useanin‐line2Afuse



5.2 O

PTIONAL

ONNECTIONS



Test/Reset  ConnectanexternalTest/ResetswitchtoterminalTR&G,ifrequired

 EarthtoterminalPE

Relays ConnectRelayActivatedExternaldevices

 Relay1‐ConnectdevicetoterminalsK1&10,ifrequired(maximumrating3A@240V)

 Relay2‐ConnectdevicetoterminalsK2&10,ifrequired(maximumrating3A@240V)

RS485

Comm’s

ConnectRS485Communications

(Recommended:RS485ShieldedTwistedPaircable,sizeAWG22orAWG24)

 ConnectRS485CabletoTerminalsA&B

 ConnectRS485ShieldingtoterminalG

 ConnectRS485120ΩTerminationResistorifrequired

 Seeconnectiondiagramonpage3



P3

5.3 ACBUSCONNECTIONDIAGRAMESM1‐0001



5.4 DCBUSCONNECTIONDIAGRAMESM1‐0001



5.5 RS485CONNECTIONS



P4

6. S

ETUPAND

PERATION



Note:RefertotheUserManualforDetailedInstructions.

6.1 I

NTERFACE



6.1.1 LCDScreen

OtherthaninSelf‐Testmode,thescreenisdividedintoTitleBarzone;

Settingszone;ButtonLabelzones.Thecurrentbuttonfunctionisindicated

on‐screen.

Theon‐screenmenusrequiresinglebuttonpresses.Allmenus,option

lists,andvalueselectorsare‘circular’:repeatedpressingofor







will

continuouslyscrollthroughtheoptions.

Note:Thereareno“Back”or“Undo”options.Ifanerrorismadeuse





toadvancethroughthemenuuntilaDo‐Not‐SaveorExitopportunity

appears.Thedevicealwaysrequestsconfirmationbeforesavingchanges.

6.1.2 Buttons

B1Label Action  B2Label Action

 Highlightsthenextiteminthemenu  Selectthehighlighteditem

Changesthehighlightedvalueby1or

Scrollsthroughoptions

 SETTINGS OpenstheDeviceSETTINGSmenu

CHANGE OpenstherelatedChangeScreen  SELECT Savesthehighlightedvalue

YES Answers“YES”toanon‐screenquestion  NO Answers“NO”toanon‐screenquestion

TEST StartsthedeviceSelf‐Test  EXIT ReturnstotheParentScreen

RESETClearserrorstaterecordsfrommemory   

6.1.3 Tri‐ColourLED

Colour DeviceStatus

None NoPowerSupply.Thedeviceisnotworking.

GREEN OK.DeviceismonitoringInsulationResistanceproperly

RED WarningState:InsulationResistancehasfallenbelowtheWarningTripValue,R

an1



FLASHING AlarmState:InsulationResistancehasfallenbelowtheAlarmTripValue,R

an2

;orDevicehasfailedSelf‐

Test

BLUE Self‐TestinProgress,orDeviceisinSETTINGSmode

PURPLE FirmwareUpgradeinprogress

6.1.4 EnteringNumericValues

EnterTripValuesandRS485Identitiesasindividualdigits.Leadingzerosmustbeusede.g.06=6;006=6;067=67.

Changea

Numeric

value

 Usetoselectavalueforthehighlighted

digit

 Usetohighlightthenextdigittotheright,

orgototheconfirmationpage

 Confirmationpagedisplaysnumericvalueto

besaved,andrequestspermissiontosavethe

value



6.2 S

ELF

‐

TEST



TheSelf‐TestfunctioncheckstheEarthContinuity,BusConnections,andtheDeviceHardware.

 TheSelf‐TestoccursautomaticallywhenPowerSupplyisconnected,andevery24hrsthereafter

 AmanualSelf‐TestcanrunonlywhenthedeviceisinStandbymode

 ThedevicedisplaystheHardwareandSoftwareversionsduringtheSelf‐Test

 Self‐Testdoesnotclearrecordsorsettingsfrommemory

P5

ASelf‐Testtakeslessthan30seconds.TheSelf‐Testdisplaysamessageifafailureoccurs,whilecontinuingbackground

self‐testinguntiltheerrorstateisremoved.

Allconfiguredrelayslatchfollowingself‐testcompletion,enablingtimetoinspectrelayoperatedequipment.PressRESET

toreleaselatching.Thelatchingtestdoesnotoccuratinitialpowerconnection.

Note:InsulationMonitoringdoesnotoccurorcontinueifthedevicefailstheSelf‐Test.



6.3 PASSWORDS(AUTHENTICATION)

Ifenabled,apasswordauthenticatesusersandenablesthemtochangeanydevicesetting.Withoutapassword,user

accessislimitedtoviewingthedevicesettings.

6.3.1 FactoryPassword

TheFactoryPasswordissetto674;itcannotbechanged,andisrequiredtochangetheUserPassword.

6.3.2 Authentication(UserPasswordON/OFF)

AuthenticationmaybeturnedONorOFFasrequired.Thistypicallyoccursiftheoperatorisrepeatedlyaccessingthe

devicesettingsduringtesting,oriftheSystemOperatorhasreducedsecurityrequirements.TheFactoryDefaultSetting

isAuthenticationOFF,andnoUserPasswordexists.

6.3.3 UserPassword

TheUserPasswordcanbechangedonlyiftheexistingUserPasswordisknown;otherwise,theUserPasswordRecovery

featuremustbeused.

6.3.4 RecoveryfromLostUserPassword

ThedevicecanrecoverfromalostUserPasswordusingtheFactoryPassword.ToreplacealostUserPassword:gotothe

PwdRecoverypage.Thedevicewillprovideinstructionsandfeedback.

6.3.5 EnteringorChangingPasswordValues

Passwordsarestoredasthree‐digitcodes,notnumbers.IfamistakeismadeorifyouaccidentlyentertheChangepage,

useandtoadvancetothe“TryAgain?”page.

Function Comments SamplePages

Enteror

Changea

Password

value

 Instructionsareon‐screen

 AllEnterPasswordpagesinitiallydisplay***

 Usetoselectavalueforthehighlighted

digit(mandatory)

 Usetohighlightthenextdigittothe

right,orgotothenextpage

 Iftheoperatorattemptstosaveaninvalidor

non‐matchingvalue,thedevicewillofferthe

opportunitytoTryAgain

 Amessageconfirmssuccessfulcompletion

ofachange



P6

6.4 WARNINGSETTINGSRAN1

TheWarningresponsehasthreeusersettableparameters,

notingthattheTripValuemustbehigherthantheAlarm

value.IfyouwishtosettheTripValuelowerthanthecurrent

AlarmTripValue,reducetheAlarmvaluefirst.

RecommendedSetting(IEC60364‐5‐53)

SettheWarningvaluetoabout100/V(Bus).For

example,iftheBusVoltageis600V,initiallysetthe

Warningto100x600=60000=60k



Parameter Options/Comments SamplePages

Activate

Warning

Settings

SETTINGS>Warnings>Warning>CHANGE

 EnterPasswordifrequested

 Thescreendisplaysallcurrentsettings

 Parametersbecomeselectable.



Warning

TripValue,

Ran1

Range:001–999k

 MustbegreaterthantheAlarmTripValue

 Setindividualdigits

 Usetocyclethroughindividualdigits.

 Usetoselectthenextdigit.

 Forreference,thecurrentAlarmTripValue

appearsontheWARNINGTRIPpage

 Iftheoperatorattemptstosaveaninvalid

value,thedevicewillofferthechoicetoTry

Again.



Warning

TripDelay



Range:0‐20seconds

 TheTripDelayisthecontinuouslengthoftime

thattheIRmustremainbelowtheWarning

TripValue,priortoRelayandLEDactivation.

 Tochangethesetting,press



tocycle

throughtheavailablevalues.



Warning

Activated

Relay

Options:Relay1orRelay2

 Thedevicecontainstworelays:1&2.

 ThedefaultWarningRelayisRelay1.

 TheRelayactivateswhentheIRremains

continuouslybelowtheWarningTripValuefor

greaterthantheWarningTripDelayperiod.

 PresstotoggletheRelaychoice.

 TheWarningmayactivatethesamerelayas

theAlarm.



6.5 ALARMSETTINGSRAN2

TheAlarmresponsehasthreeusersettableparameters,

similartoWarning,notingthattheAlarmTripValuemustbe

lowerthantheWarningvalue.IfyouwishtosettheTrip

ValuehigherthanthecurrentWarningTripValue,increase

theWarningvaluefirst.Thesetupisasimilarprocessto

Warningsetup.

RecommendedSetting(IEC60364‐5‐53)

SettheAlarmvaluetoabout50/V(Bus).For

example,iftheBusVoltageis600V,initiallysetthe

Warningto50x600=30000=30k



P7

6.6 RELAYSTATES

Relay1andRelay2canbesettoNormallyOpenorNormallyClosed,asrequiredbyconnectedequipment.

Note:TheRelaysfittedtothisdeviceOpenwhenthepowersupplyisdisconnected.Whenpowerisconnected,thedevice

readsthestoredRelayStatesettingfrommemory,andrestoresthisstate.Thisprocesstakes~300msi.e.bothRelayswill

beintheOpenStateforthefirst~300msfollowingsupplypowerconnection.EquipmentconnectedtoaNormallyClosed

relaymustbeconfiguredtocompensateforthistemporaryOpenRelaystate.ThedeviceSelf‐TestandResetfunctionsdo

notaffecttheRelayStates.

Parameter Options/Comments SamplePages

Activate

Relay

States

SETTINGS>Warnings>RelayStates>CHANGE

 EnterPasswordifrequested

 Parametersbecomeselectable

 Thescreendisplaysallcurrentsettings

o N/O=NormallyOpen

o N/C=NormallyClosed



Change

Relay

States

 UsetohighlightRelaytochange,orExit

 PresstoSelect

 UsetotogglebetweenRelayStates

 PresstoSelect



6.7 RS485COMMUNICATION

Thedevicecancommunicatewith,andbecontrolledbyexternaldevices,usingtheRS485Connection.Theconnection

hasthreeusersettableparameters:Identificationnumber,Communicationspeed(Baudrate),andParity.

Parameter Options/Comments SamplePages

SETTINGS>RS485>CHANGE>

 EnterPasswordifrequested

 Parametersbecomeselectable

 Thescreendisplaysallcurrentsettings



RS485

Identity01–99

(Setindividualdigits)



Baudrate 2400;4800;9600;19200;38400;115200

(Selectfromlist)



Parity Odd;Even;None

(Selectfromlist)



P8

Warranty



CongratulationsonchoosinganMRDEarthSenseESM1.MRDProductsaredesignedand

manufacturedtothehigheststandards,andbackedwithaTWOYEARWarrantycovering

materialsormanufacturingdefects,commencingonthedateofcustomerreceipt.



Pleaserecordyourproductdetailsbelow.

Model SerialNumber DateofPurchase F.PWD Supplier

ESM1- _____ __ __ __ __ __ __ __ __ /__ __/20__ __



Conditions

MRDwarrantsyournewESM1InsulationMonitorshallbefreeofmaterialormanufacturingdefects

andshalloperateasdesigned,wheninstalled,used,andmaintainedaccordingtotheESM1

InstallationGuide,TechnicalDataSheet,andUserManual.



Thiswarrantydoesnotcover:

 Normalwearandtear

 Problemsnotcausedbymaterialsormanufacturingdefects

 Damagecausedin‐transit,byfluidingress,byaccident,orintentionally

 DamageresultingfrominstallationsorapplicationsnotexpresslyapprovedbyMRD

 Devicesthatarealteredinanyway,includingsoftwareorremovaloftheserialnumber

 Anyotherevent,act,defaultoromissionbeyondMRD’scontrol.



Intheeventofapossiblewarrantyclaim,immediatelystopusingthedeviceandcontactyour

supplierforassistance.Itmaybepossibletosolvetheproblemwithoutreturningthedevice.



Returns

Donotreturnthedeviceunlessauthorisedbyyoursupplier.Ifareturnisrequired,itisyour

responsibilitytopackthedeviceforsafeshipping,andtoshipthedeviceasinstructedbyyour

supplier.Returnshippingisatyourexpense.



MRDwillinspectreturneddevices.Wewillrepairorreplacedevicesorpartsofdevicesthatarefound

defectiveduetomaterialormanufacturingfaults.Wewillquotetorepairotherproblems,if

requested.WewillreturndevicesdeterminedtobeNoFaultFound,atyourexpense.



LimitedLiability

Thebenefitsprovidedbythiswarrantyareinadditiontootherrightsandremediesavailabletothe

consumerunderthelaw.InnoinstanceshallMRDbeliableforconsequentialdamages.



ForAustraliaOnly

MRDRailTechnologiesPtyLtdgoodscomewithguaranteesthatcannotbeexcludedunderthe

AustralianConsumerLaw.Youareentitledtoareplacementorrefundforamajorfailureand

compensationforanyotherreasonablyforeseeablelossordamage.Youarealsoentitledtohavethe

goodsrepairedorreplacedifthegoodsfailtobeofacceptablequalityandthefailuredoesnot

amounttoamajorfailure.



Thiswarrantyisofferedby:



MRDRailTechnologiesPtyLtd



235SouthSt,Cleveland.QLD.4163.Australia.



+61738215151



[email protected]



674

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