NGC-CMA2
INSTALLATION MANUAL
2 | nVent.com
CONTENTS
1. Product Overview .................................................................................................................................4
1.1. nVentRAYCHEMNGC-CMA2congurationandmonitoringsoftware. ..................................................................... 4
1.2. NGC-CMA2ProgrammingGuide .................................................................................................................................. 5
1.3. nVentRAYCHEMNGC-20HANDHELDSoftware–LicenseAgreement .................................................................... 5
1.4. UserResponsibilities .................................................................................................................................................... 7
1.5. SafetyWarnings ............................................................................................................................................................ 7
2. How to Run the NGC-CMA2 Program .................................................................................................... 8
3. Initial Setup of the unit .........................................................................................................................8
4. Using the NGC-CMA2 in Standard Mode ...............................................................................................8
4.1. InitialSetupoftheunitinStandardMode .................................................................................................................. 8
5. Changing the Language of the user interface screens. .......................................................................... 8
6. Temperature units ................................................................................................................................9
7. Establishing a Bluetooth connection between the NGC-CMA2 and NGC-20 control units ...................... 9
8. Conguring NGC-20 control units .......................................................................................................11
8.1. ChangingtheNGC-20controllersettings .................................................................................................................. 11
8.2. ChangingtheTemperaturesetpointofaNGC-20controlunit ............................................................................. 12
8.3. ChangingtheSwitchcontrolmode ............................................................................................................................ 13
8.4. ChangingNGC-20devicetagname ........................................................................................................................... 15
8.5. ChangingtheNGC-20consoleunits. ........................................................................................................................ 15
8.6. LoadShed/TemperatureSourceCommunicationstimeout ................................................................................. 16
8.7. SettingtheAutoCycleInterval. ................................................................................................................................. 16
8.8. AlarmOutputMode ..................................................................................................................................................... 17
8.9. SettingupLoadShedding .......................................................................................................................................... 17
9. Changing NGC-20 Temperature Settings and Temperature Alarms ..................................................... 19
9.1. ChangingNGC-20TemperatureSensorType(Sensor1). ....................................................................................... 19
9.2. SettingHighandLowTemperatureAlarmSetPoints(Sensor1) ............................................................................ 19
9.3. HighandLowAlarmFilter(Sensor1) ........................................................................................................................ 20
9.4. Deningwhichtemperatureinputisusedforcontrol .............................................................................................. 21
9.5. AssigningTemperaturesensorTagname ................................................................................................................. 22
9.6. SettingupFailSafemodeandHighLimitCut-OutSetpoint .................................................................................. 22
9.7. SettingtheHighLimitCut-OutSetpoint .................................................................................................................... 23
9.8. ConguringtheNGC-20TemperatureSources ......................................................................................................... 23
9.9. TemperatureSensorConguration ............................................................................................................................ 24
10. Electrical Settings ............................................................................................................................... 25
11. SIL 2 Safety Temperature Limiter Settings .......................................................................................... 28
11.1. ResettingtheSafetyTemperatureLimiter ................................................................................................................. 30
11.2. TripLimiter-TestfunctionforSILapprovedSafetyTemperaturelimiter ............................................................... 31
12. Maintenance data ............................................................................................................................... 32
12.1. ForceUserCongurationDefaults. ................................................................................................................... ......... 34
13. Alarm Masks ...................................................................................................................................... 35
14. NGC-20 Monitoring screens ...............................................................................................................37
15. NGC-20 Alarm screens. .....................................................................................................................40
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16. Firmware / Settings (communication settings) ................................................................................... 41
16.1. UpgradingrmwareoftheNGC-20controlunit ........................................................................................................ 41
16.2. ChangingtheserialinterfacesettingsoftheNGC-20controlunit ......................................................................... 43
16.3. NGC-20DisplayTest. ............................................................................................................................................... 43
16.4. NGC-20Modesettings ............................................................................................................................................... 43
17. Using the NGC-CMA2 in Mixed Mode .................................................................................................. 44
17.1. InitialSetupoftheunitinMixedMode ...................................................................................................................... 44
18. Changing main settings of the user interface screens ......................................................................... 45
18.1. Languages ................................................................................................................................................................... 45
18.2. Temperatureunits ...................................................................................................................................................... 45
19. Establishing connection between the NGC-CMA2 and NGC-20 control units ....................................... 46
20. Conguring NGC-20 control units ....................................................................................................... 48
20.1. ChangingtheNGC-20controllersettings .................................................................................................................. 48
20.2. ChangingtheTemperaturesetpointofaNGC-20controlunit ................................................................................ 49
20.3. ChangingtheSwitchcontrolmode ........................................................................................................................... 49
20.4. ChangingNGC-20devicetagname ........................................................................................................................... 51
20.5. LoadShedding ............................................................................................................................................................ 51
21. NGC-20 Temperature settings and temperature alarms ...................................................................... 53
21.1. ChangingNGC-20Temperaturesensortype(Sensor1) .......................................................................................... 53
21.2. FailSafemodeandHighLimitCut-OutSetpoint ..................................................................................................... 54
22. Electrical Settings ............................................................................................................................... 55
23. SIL 2 Safety Temperature Limiter Settings. ....................................................................................... 57
23.1. SafetyLimiterSetPoint .............................................................................................................................................. 58
23.2. ResettingSafetyTemperatureLimiter ....................................................................................................................... 59
23.3. TripLimiter................................................................................................................................................................... 59
24. Maintenance data ............................................................................................................................... 60
25. NGC-20 Monitoring screens ...............................................................................................................62
26. NGC-20 Alarm screens .......................................................................................................................63
27. Upgrading rmware of the NGC-20 control unit................................................................................... 64
28. Upload & Download conguration and monitoring data to & from NGC-20 via conguration le .......... 66
28.1 DownloadNGC-20CongurationandMonitoringdatafromcontroller ................................................................. 66
28.2 UploadNGC-20congurationintocontroller ............................................................................................................ 66
28.3 FormatCongurationFileNGC-20Controller ........................................................................................................... 67
28.4 CongurationleXMLdataformat .......................................................................................................................... 67
29. Appendices and Indexes .....................................................................................................................76
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1. PRODUCT OVERVIEW
ThisdocumentdescribestheuseandthecapabilitiesofthenVentRAYCHEMNGC-CMA2handhelddeviceandsoftware.Formore
informationaboutthecorrectuseandhandlingofthedevicewerefertoNGC-CMA2GettingStarted(INSTALL-131)manual.
1.1. nVent RAYCHEM NGC-CMA2 configuration and monitoring software.
TheNGC-CMA2isdevelopedforWindowsMobile5.ThesoftwareenablesnVentRAYCHEMNGC-20controlunitstobeconfigured
andmonitoredviaaWirelessBluetoothinterface.Theexactuseofthissoftwareisdescribedinthismanual.
Note:Forhazardousarea(Zone1,21andZone2,22usetheNGC-CMA2-EXonly)
TheNGC-20canbeconfiguredineitherStandardmodeorMixedmode.TheMixedmodemeetssituationswhereNGC-20is
communicatingwithanVentRAYCHEMNGC-UIT,otherwisetheNGC-20willbeconfiguredinStandardmode.Inbothcircumstances
adifferentsetofparametersisavailableforconfiguration.
Standard Mode with optional nVent RAYCHEM
Supervisor Software used as central user
interface
Mixed Mode with optional nVent RAYCHEM NGC-UIT used as
central user interface
NGC-20aslocalcontrollerinthefield.Supervisor
software(DTS)ascentralUserInterface.
NGC-20aslocalcontrollerinthefield.NGC-UITascentralUserInterface.
MONI-RMMUnitsareoptional
Figure 1 1: nVent RAYCHEM NGC-20 system overview
Configuration and Monitoring
TheNGC-CMA2canbeusedtoconfiguretheNGC-20.Besidesitsfunctionasprogramminginterfacethe
NGC-CMA2canalsobeusedtomonitorNGC-20unitswhiletheyareinoperation.Whenusedinmonitoringmode
allprocessvariablesusedbytheNGC-20controlunitscanbevisualisedonthescreenoftheNGC-CMA2.
Communications
NGC-CMA2devicessupportvarioustypesofcommunicationsinterfaces.Refertoproductdatasheetforcompletedetailsaboutall
communicationoptions.
nVent.com | 5
1.2. NGC-CMA2 Programming Guide
Vital Information
ThismanualisaguideforthesetupandoperationoftheNGC-CMA2handheldprogrammingdevices.
Important:Allinformation,includingillustrations,isbelievedtobereliable.Users,however,shouldindependentlyevaluatethe
suitabilityofeachproductfortheirparticularapplication.
nVentmakesnowarrantiesastotheaccuracyorcompletenessoftheinformation,anddisclaimsanyliabilityregardingitsuse.
nVent’onlyobligationsarethoseinthenVentStandardTermsandConditionsofSaleforthisproduct,andinnocasewillnVentorits
distributorsbeliableforanyincidental,indirect,orconsequentialdamagesarisingfromthesale,resale,use,ormisuseoftheproduct.
Specificationsaresubjecttochangewithoutnotice.Inaddition,nVentreservestherighttomakechanges—withoutnotificationto
Buyer—toprocessingormaterialsthatdonotaffectcompliancewithanyapplicablespecification.
1.3. nVent RAYCHEM NGC-20 HANDHELD Software – License Agreement
Thisagreementisalegalagreementbetweenyou,“theenduser”,andnVent,LLC(“nVent”).BYINSTALLINGOROTHERWISE
ACCESSINGTHISPROGRAM,YOUAREAGREEINGTOBECOMEBOUNDBYTHETERMSOFTHISAGREEMENT.IFYOUDONOT
AGREETOTHETERMSOFTHISAGREEMENT,DONOTINSTALLORACCESSTHISPROGRAM.IFINSTALLINGOROTHERWISE
ACCESSINGTHISPROGRAMBYOPENINGASEALEDDISKPACKAGE,PROMPTLYRETURNTHEUNOPENEDDISKPACKAGEAND
THEOTHERITEMS(INCLUDINGWRITTENMATERIALSOROTHERCONTAINERS)TOTHEPLACEWHEREYOUOBTAINEDTHEM.
GRANT OF LICENSE
ThenVentRAYCHEMNGC-20handheldSoftware(the“Software”)islicensed,notsold,toyouforuseonlyunderthetermsofthis
Agreement,andnVentreservesanyrightsnotexpresslygrantedtoyou.SubjecttothetermsandconditionsofthisAgreement,
nVentgrantstoyouanon-exclusive,nontransferable,lim¬itedlicense(withouttherighttosublicenseothers)tousetheonecopy,
includingwrittenmaterialsifany,oftheSoftwareonasinglecomputeratthelocation(companyandaddress)towhichnVentissued
thiscopyoftheNGC-20handheldSoftware.TheSoftwareisownedbynVentLLCandisprotectedbyUnitedStatescopyrightlaws
andinternationaltreatyprovisions.AllcopiesmadebyyouaresubjecttothetermsandconditionsofthisAgreement.Thestructure,
organisationandcodeoftheSoftwarearevaluabletradesecretsandconfidentialinformationofnVent.Youagreenottomodify,
alter,merge,adapt,duplicate,distribute,translate,decompile,disassemble,reverseengineer,createderivativeworks,copyfor
useonanyothercomputeroratanyotherlocation,orotherwisemakethissoftwareavailabletoanypersonorentityoutsidethis
location.TheSoftwareislicensedonlytoyou.Innoeventmayyoutransfer,sell,sublicense,rent,assignortransferrights,lease,or
otherwisedisposeoftheSoftwareonatemporaryorpermanentbasiswithoutthepriorwrittenconsentofnVent.Youagreetouse
reasonableeffortstoprotectagainsttheunauthorisedcopyinganduseoftheSoftwarebyothers.Youagreenottoremove,disable
orcircumventanyproprietarynoticesorlabelscontainedonorwithintheSoftware.
OTHER RESTRICTIONS
Youmaynotsublicense,rentorleasetheNGC-20handheldSoftwaretoanyone.
YouagreetonotifynVentpromptlyif“bugs”orseeminglyincorrectoranomalousbehaviourisdiscoveredwhenusingtheSoftware.
YouagreethattheNGC-20handheldSoftware,includingwrittenmaterials(ifany)andallcopiesinwholeorinpart,willbedestroyed
orreturnedtonVentatthewrittenrequestofthenVentProductManager.
ByinstallingorotherwiseaccessingtheNGC-20handheldSoftwareyouacknowledgethatyouhavereadandunderstoodnVent’
DisclaimerofWarrantyandLimitationofLiability,setforthbelow.
YouagreetousereasonableeffortstoprotectagainsttheunauthorisedcopyingandusetheNGC-20handheldSoftwarebyothers.
DISCLAIMER OF WARRANTY
THENGC-20HANDHELDSOFTWAREANDACCOMPANYINGWRITTENMATERIALSAREPROVIDED“ASIS”WITHOUTWARRANTY
OFANYKIND.THEENTIRERISKASTOTHERESULTSANDPERFORMANCEOFTHENGC-20HANDHELDSOFTWAREISASSUMED
BYYOU.NVENT DOESNOTWARRANTTHATTHEFUNCTIONSCONTAINEDINTHESOFTWAREWILLMEETYOURREQUIREMENTS
ORTHATTHEOPERATIONOFTHESOFTWAREWILLBEUNINTERRUPTEDORERROR-FREE,ORTHATPROGRAMDEFECTSWILLBE
CORRECTED.
LIMITED WARRANTY – MEDIA
THEMEDIUMONWHICHTHEPROGRAMISENCODEDISWARRANTEDTOBEFREEFROMDEFECTSINMATERIALAND
WORKMANSHIPUNDERNORMALUSEFORAPERIODOFSIXTY(60)DAYSFROMTHEDATEOFDELIVERYTOYOUASEVIDENCED
BYACOPYOFYOURRECEIPT.ALTHOUGHNVENT BELIEVESTHEMEDIAANDTHEPROGRAMTOBEFREEOFVIRUSES,THE
MEDIUMANDTHEPROGRAMARENOTWARRANTEDTOBEVIRUSFREE.NVENT LIABILITYANDYOUREXCLUSIVEREMEDYIF
THEMEDIUMISDEFECTIVEORINCLUDESANYVIRUSSHALLBEPROMPTREPLACEMENTOFTHEMEDIUMWITHANEWNGC-20
HANDHELDSOFTWAREPRE-ENCODEDDISC.
EXCLUSION OF ALL OTHER WARRANTIES
EXCEPTASEXPRESSLYPROVIDEDABOVE,NVENT DISCLAIMSALLWARRANTIES,EITHEREXPRESS,IMPLIEDORSTATUTORY,
INCLUDINGBUTNOTLIMITEDTOANYWARRANTYOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE,EVEN
IFNVENT HASBEENADVISEDOFSUCHPURPOSE.THISAGREEMENTGIVESYOUSPECIFICLEGALRIGHTS.SOMESTATESOR
COUNTRIESDONOTALLOWTHEEXCLUSIONOFWARRANTIESSOTHEABOVEEXCLUSIONMAYNOTAPPLYTOYOU.
6 | nVent.com
LIMITATION OF LIABILITY
THEENTIRERISKASTOTHERESULTSANDPERFORMANCEOFTHESOFTWAREISASSUMEDBYYOU.INNOEVENTSHALLNVENT, ITS
AFFILIATES,DIRECTORS,OFFICERS,SHAREHOLDERS,EMPLOYEESOROTHERREPRESENTATIVESBELIABLEFORDAMAGESOFANYKIND,
INCLUDINGWITHOUTLIMITATION,ANYLOSS,DAMAGE,ORDELAY,ORFORANYLOSTPROFITS,
LOSSOFUSE,INTERRUPTIONOFBUSINESS,ORFORANYCOMPENSATORY,SPECIAL,INCIDENTAL,CONSEQUENTIAL,INDIRECTDAMAGES
(HOWEVERARISING,INCLUDINGNEGLIGENCE)OFANYKINDARISINGOUTOFORINCONNECTIONWITHTHEUSEOF,ORTHEINABILITY
TOUSE,THESOFTWAREORTHISAGREEMENT(EVENIFNVENT HASBEENADVISEDOFTHEPOSSIBILITYOFSUCHDAMAGES).FURTHER,
IN NO EVENT SHALL NVENT ,ITSAFFILIATES,DIRECTORS,OFFICERS,SHAREHOLDERS,EMPLOYEESOROTHERREPRESENTATIVESBE
LIABLETOYOUINANAMOUNTGREATERTHANTHEAMOUNTACTUALLYPAIDBYYOU,IFANY,FORTHESOFTWARE.
YOUFURTHERAGREETHATREGARDLESSOFANYSTATUTEORLAWTOTHECONTRARY,ANYCLAIMORCAUSEOFACTIONARISING
OUTOFORRELATEDTOUSEOFTHESOFTWAREORTHETERMSANDCONDITIONSMUSTBEFILEDWITHINONE(1)YEARAFTER
SUCHCLAIMORCAUSEOFACTIONAROSEORBEFOREVERBARRED.
INDEMNITY
Totheextentallowedunderfederalandstatelaw,youagreetoindemnifyandholdnVent,itsparents,subsidiaries,affiliates,
officers,employees,sponsorsandpartnersharmlessfromanyclaim,loss,cost,expense,demand,ordamage,includingreasonable
attorneys’fees,arisingdirectlyorindirectlyoutof(a)youruseof,orinabilitytouse,theSoftware,(b)youractivitiesinconnection
therewith,or(c)yourbreachofthisAgreementorviolationoftherightsofanyotherparty.
TERMINATION
ThelicensegrantedhereinwillautomaticallyterminatewithoutnoticefromnVentifyoufailtocomplywithanytermorcondition
ofthisAgreement.Youagree,uponsuchtermination,toremovetheNGC-20handheldSoftwarefromanymemoryand/orstorage
mediaordevice,andtoreturntheNGC-20handheldSoftware,includingallmediaandwrittenmaterials,ordestroythesameand
certifysuchdestructiontonVent,alongwithanybackuporothercopiesinyourpossession.
COMPLETE AGREEMENT – MODIFICATION IN WRITING
ThisAgreementconstitutesthesoleandcompleteunderstandingbetweenthepartieswithrespecttotheNGC-20handheld
Softwareanditsuse,andmaynotbevariedexceptbyawritingsignedbyanofficerofnVent.Youagreethatyoumaynotrelyonany
representationsconcerningtheNGC-20handheldSoftwaretotheextenttheyvaryfromthisAgreement,andsuchrepresentations,if
any,willneitheraddtonorvarythetermsofthisAgreement.
CHOICEOFLAWS.ThisAgreementisgovernedbythelawsoftheStateofCaliforniaandtheUnitedStates,includingU.S.Copyright
Laws.
EXPORT LAWS
TheNGC-20handheldSoftwaremayrequirealicensefromtheU.S.DepartmentofCommerceorothergovernmentalagencybefore
itmaybeexported.Theterm“export”includesmanyacts(suchastransferringtheNGC-20handheldSoftwaretoaforeigncitizen
withintheUnitedStates),inadditiontosendingortakingtheNGC-20handheldSoftwareoutsidetheUnitedStates.Youagreeto
ascertainthenecessarylicensingproceduresandobtainanyrequiredlicensesbeforeexportingtheNGC-20handheldSoftware.
YoualsoagreetoindemnifynVentandassumeallfinancialresponsibilityforanylossesitmaysufferifyoudonotcomplywiththis
paragraph.
GOVERNMENT RESTRICTED RIGHTS
UseracknowledgesthattheNGC-20handheldSoft¬warehasbeendevelopedatprivateexpenseandisprovidedwith“Restricted
Rights.”Use,duplicationordisclosurebytheGovernmentissubjecttorestrictionsassetforthinsubparagraph(b)(3)andparagraph
(c)oftheRightsinTechnicalDataclauseat48C.F.R.252.227-7013,orsubparagraphs(c)(1)and(2)oftheCommercialComputer
Software–RestrictedRightsclauseat48C.F.R.52.227-19,asapplicable.ThisprovisionappliestotheNGC-20handheldSoftware
acquireddirectlyorindirectlybyoronbehalfofanygovernment.TheNGC-20handheldSoftwareisacommercialproduct,licensed
ontheopenmarketatmarketprices,andwasdevelopedentirelyatprivateexpenseandwithouttheuseofanygovernment
funds.Anyuse,modification,reproduction,release,performance,display,ordisclosureoftheNGC-20handheldSoftwarebyany
governmentshallbegovernedsolelybythetermsofthisAgreementandshallbeprohibitedexcepttotheextentexpresslypermitted
bythetermsofthisAgreement,andnolicensetotheNGC-20handheldSoftwareisgrantedtoanygovernmentrequiringdifferent
terms.
ASSIGNMENT
YoumayneitherassignanyrightnordelegateanyobligationunderthisAgreementandattemptedassignmentordelegationshallbe
void.nVentmayfreelyassignthisagreementanditsrightsandobligationsthereundertoanythirdparty.
INVALID PROVISIONS
IfanyoftheprovisionsofthisprovisionsAgreementareinvalidunderanyapplicablestatuteorruleoflaw,theyaretothatextent
deemedomitted.
WAIVER
NofailureordelayofnVentinexercisingorenforcinganyrightorprovisionofthisAgreementshallconstituteawaiverofsuchright
orprovision,oranyotherrightorprovisionhereunder.Furthermore,anywaiverbynVentofanyrightorprovisionofthisAgreement
shallnotbeconstruedas,orconstitute,acontinuingwaiverofsuchrightorprovision,orwaiverofanyotherrightorprovisionofthis
Agreement.
nVent.com | 7
HEADINGS
ThesectiontitlesinthisAgreementareforconvenienceonly.
SURVIVABILITY
YouagreethatthetermsandconditionsofthisAgreementshallsurviveanyterminationofthisAgreementandyourrightstousethe
Software.
Should you have any questions concerning this Agreement, or if you want to contact
nVent for any reason, please write to:
HOUSTON
7433HarwinDrive
Houston,TX77036
Tel:+1.713.868.4800
Fax:+1.713.868.2333
nVent.com
1.4. User Responsibilities
Theperformance,reliabilityandsafetyofyourheat-tracingsystemdependonproperdesign,selection,andinstallation.TheNGC-
CMA2willhelpyoutoconfigureandmonitorasystemthatmeetsyourrequirements,butitisonlyatool.Itassumesthatyourinput
isaccurate,thatyouarefamiliarwithheat-tracingsystemdesignandconfiguration,andthatyouwillensurethatallcomponents
oftheheat-tracingsystemareinstalled,maintainedandusedasintended.TheconfigurationoftheNGC-20handheldshouldbe
reviewedbyaknowledgeableengineertoensureitisappropriateforyourapplication.Additionalinformationrelatingtosafety,
design,andinstallationiscontainedinDesignGuides,InstallationManuals,DataSheets,andotherliteratureavailablefromnVent.
Besuretoconsultthesedocumentsasneeded.
1.5. Safety Warnings
ThereareimportantsafetywarningswhichareshippedwithnVentproductsandthatarealsoprintedinnVentRAYCHEMNGC-30
InstallationManual(INSTALL-112)andNGC-20installationmanual(INSTALL-130).Besuretoread,understandandfollowthese
safetywarningstoreducetheriskoffire,shock,orpersonalinjury.Ifyouhaveanyquestions,contactyourlocalrepresentativeor
contactnVentdirectly.
Warning, Error, and Alarm Messages
Undercertainconditions,theNGC-CMA2willalerttheuserwithawarninganalarmoranerrormessage.Thesearetypicallyeither
becausetheprogramcannotfindanacceptableanswerbasedonuserinput,orbecausetheusermayneedtotakesomeadditional
actiontoensurethedesignrequirementsarecompletelymet.Thesewarningsanderrormessagesaredetailedinchapter9ofthis
manual.
Forquestions,pleasecontactnVent’TechnicalSupport.
Technical Support
For technical support, contact your local representative, or contact nVent directly:
HOUSTON
7433HarwinDrive
Houston,TX77036
Tel:+1.713.868.4800
Fax:+1.713.868.2333
nVent.com
BELGIUM
Romeinsestraat14
3001Leuven
Tel:+32.16.213.511
Fax:+32.16.213.604
nVent.com
8 | nVent.com
2. HOW TO RUN THE NGC-CMA2 PROGRAM
3. INITIAL SETUP OF THE UNIT
Aftertheprogramisstartedthestartupscreenwillbevisualised.Thestartupscreenallowsuserstoconfiguretheunittotheir
personalneedsandprocessrequirementsviathesettingsicon.
4. USING THE NGC-CMA2 IN STANDARD MODE
WhenoperatedintheStandardModethemaximumsetofparametersareavailableforconfigurationandmonitoring.Thefollowing
chapterswilldescribeindetailhowtheNGC-20canbeconfiguredandbemonitoredviatheNGC-CMA2.
4.1. Initial Setup of the unit in Standard Mode
Aftertheprogramisstartedthestartupscreenwillbevisualised.Thestartupscreenallowsuserstoconfiguretheunittotheir
personalneedsandprocessrequirements.
Configuration Utility Main screen
Figure 4 1: Startup screen
Afterstartupoftheprogram,thesoftwarewillstartscanningfor
NGC-20controllers.
theSettingsiconwillallowtheusertochangethelanguageand
theengineeringunitsfortemperatures.
ByselectingtheNGC-20inthelisttheusercanconfigurethe
NGC-20controller.
TorescanforNGC-20controllersclichonthemagnifyingglass
atthebottomofthescreen.
5. CHANGING THE LANGUAGE OF THE USER INTERFACE SCREENS.
Configuration Utility Main screen
Figure 5 1: Setup Screen
About:showsthesoftwareversionoftheConfigurationUtility
Software.
Languages:Allowsselectingaconvenientlanguageoftheuser
interfacesoftware.
Temperature Units:SetsthetemperatureunitsoftheNGC-
CMA2.Supportedare:DegreesCelsiusanddegreesFahrenheit.
ThedefaultvalueisdegreesCelsius.
Back:Bringsyoubacktothepreviousscreen
(Figure4.1)
TaponLanguagestocontinue
nVent.com | 9
Figure 5 1: Setup Screen
Supported languages are:
English(default)
French(Français)
German(Deutsch)
6. TEMPERATURE UNITS
Figure 6 1: Temperature Units Screen
FromtheSettingsScreentaponTemperature Unitstochange
thewayinwhichtemperatureswillbedisplayedontheNGC-
CMA2screens.Thefactorydefaultsettingis°C.
Tappingonthedesiredfieldwillselecttheunitsofmeasure
Celsius or Fahrenheit andwillreturnyoutothe
SettingsScreen
whilethenewunitsofmeasurewillbeselected.
Taponback arrowtoreturntotheStartupScreen.
7. ESTABLISHING A BLUETOOTH CONNECTION BETWEEN THE NGC-CMA2 AND NGC-
20 CONTROL UNITS
Configuration Utility Main Screen
Figure 7 1: Main Screen
SelecttheNGC-20tobeconfigured.AnewscanforNGC-20
controllerscanbeinitiatedbyclickingonthemagnifyingglass.
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Bluetooth Discovery Process
Figure 7 2: Bluetooth Discovery screen –
Searching for devices
InbackgroundthedevicewillscanforallNGC-20controllers
whicharewithinrangeoftheBluetoothcommunications.
EnsurethatallNGC-20unitsarepoweredup.
Bluetooth Discovery Process (building the device inventory list)
Figure 7 3: Bluetooth Discovery screen –
one device found
Whensearchingiscompletealldevicesinrangewillbelistedon
thescreen.
Example:Forthisexample,theonlydevicethatisfoundisNGC-
20-1.Ifmorethanone
NGC-20controlunitisinrangeallunitswillbelistedonthe
screenasisshownonFigure7-3.
Bluetooth Discovery Process (selecting device)
Figure 7 4: Bluetooth Discovery screen –
nding 2 devices
Selectthedeviceyouwanttoconnecttobytappingonthe
devicename.Apop-upmessagewillappeartoconfirmthat
youwanttoconfiguretheNGC-20controller.Press"yes"to
continue.
Ifdevicesarenotshowinguprepeatthedevicediscovery
processbysimplytappingonthe magnifying glass.
nVent.com | 11
8. CONFIGURING NGC-20 CONTROL UNITS
InordertoconfiguretheconnectedNGC-20controlunittaponcontinue
NGC-20 Main Configuration Screen
Figure 8 1: Main screen
Themainscreensupportsdifferentoptionsasisshownon
Figure81.
Tap Configure:toconfiguretheselectedunit.
Tap Monitortolookatallprocessvariablesascurrently
activeonthisunit.Allmeasuredsensortemperatures,control
temperature,loadcurrent,supplyvoltage,groundfaultcurrent
andthestatusoftheSafetyLimiter.
Tap View Alarmsinordertogetanoverviewofallactivealarms
andtoresetalarms.
Tap Firmware / Settingsinordertoinstallanewversionof
firmwareintheselectedcontroller.
Tap Back to go backtotheBluetoothdiscoveryscreenas
shownonFigure7-3.
8.1. Changing the NGC-20 controller settings
BydefaulttheNGC-20Configurationscreenwillbeshown.TheNGC-20configurationscreensupportsdifferentoptions:
NGC-20 Configuration Screen
Figure 8 2: NGC-20 Conguration screen
Tap Controller Settingstoalter;setpoints,controlmode,dead
band,thedevicetagandloadshedding.
Tap Temperature SettingstoalterHighandLowTemperature
alarmvalues,thetemperaturealarmfilter,failsafemodeandto
enableandpresetthehighlimitCut-Out
Tap Temp. Source Settingstodefinethetemperaturesources
usedbythisNGC-20unit.
Tap Electrical Settingsinordertosetthehighandlowload
currentandvoltagealarmvalues.Thesecondscreenoffersthe
possibilitytoloadtherelaycyclestimecounterandtoadjustthe
groundfaultalarmwarningandtriplevel.
Tap Temperature Limiter;usethisentryinordertocontrolthe
Safetytemperaturelimitersetpoint,tripandresettheSafety
temperaturelimiterafterithastripped.
Tap Maintenancetogetinformationabouttheminimum
andmaximumvalueseverseenbytheunit.Ofthefollowing
variablestheminimumandmaximumarestored;Control
temperature,ACVoltage,Groundfaultcurrent,Loadcurrent,
Relaycyclecount,HeaterhoursinuseTimeandtheSafety
Limitertemperatures.
Tap Alarm Maskstospecifyforwhichvariablesanalarmwillbe
generated
Tap BackbringsyoutotheConfigurationscreen
12 | nVent.com
8.2. Changing the Temperature set point of a NGC-20 control unit
TaponControllerSettings.ThiswillopenanextscreenshowingtheactualControllersettings.Inordertochangeanyofthevalues,
taponthefieldholdingtheactualvariable.
Controller Settings
Figure 8 3: Controller Settings – Settings 1 screen
Taponthefieldholdingtheactualvalue(32°C).Anumerickey
padasshowninFigure84willpopup.
Numeric Input Screen (Temperature Set Point)
Figure 8 4: Temp Set point Numeric Screen
Enterthedesiredtemperaturesetpointbytappingonthescreen
andpressEntertocomplete.
- For this example,wewillbeusingasetpointof35ºC.As
soonasyoutaptheenterbuttonyouwillbebroughtbackto
theControllerSettingsscreen.
REMARK:Thenumericscreenisusedatvariousplaces
throughoutthismanualeverywherewherenumericvaluesareto
bechangedorentered.
nVent.com | 13
8.3. Changing the Switch control mode
WhenreturnedtotheControllerSettingscreenofFigure83ontheinputfieldunderSwitch Control Mode.
Switch Control Mode
Figure 8 5: Control Mode settings Screen
Theswitchcontrolmodedefinesinwhichmannertheoutput
switchwillbeoperatedinordertomaintainthedesired
temperature.TaponthedesiredSwitchControlMode.The
NGC-20supportsanumberofdifferentcontrolmodesasshown
onFigure85
Thedifferentcontrolmodessupportedare:
On / Off
Prop. Ambient Contactor
PASC contactor
Force On
Force OFF
Cancel
Notethatdependingontheselectedcontrolmodetheinput
fieldsinthepreviousandnextscreenswillvary.
CancelwillbringyoubacktotheControllerSettingsscreen
(Figure83).
Controller Settings 1 (On/Off)
Figure 8 6: Controller Settings 1
On/Offisasimplesetpoint/on-offoperation.
SetintheDead bandFieldthedesireddeadband.
NotethattheDeadbandwillbeabovesetpoint.
Example;asetpointof40°Canddeadbandof5willturnthe
heatingoffat45°Candonat39°C.
Controller Settings 1 (Prop. Ambient Contactor)
Figure 8 7: Controller Settings
Prop. Ambient Contactor:seePASCbelow.
PASC Contactortakesadvantageofthefactthattheheat
lossfromapipeisproportionaltothetemperaturedifference
betweenthepipeandtheambientair.Thisistrueregardlessof
heatertype,insulationtype,orpipesize.Oncetheheattracing
andinsulationonapipehasbeendesignedtobalanceheat
inputwithheatlossandmaintainaparticulartemperature,the
mainvariableincontrollingthepipetemperaturebecomesthe
ambientairtemperature.TheNGC-20hasacontrolalgorithm
thatusesthemeasuredambienttemperature,desiredmaintain
temperature,minimumambienttemperatureassumptionused
duringthedesignstage,andsizeofthesmallestpipediameter
tocalculatehowlongtheheatershouldbeonorofftomaintain
anear-constantpipetemperature.
Proportional Band:isthedeltabetweenthedesiredtemperature
(setpoint)andtheminimumexpectedambienttemperature.
TheProp. Ambient Cycle Timedefinesthetotaltimecycle
(SumoftheON+OFFcycle)inminutes.Thecycletimecan
beadjustedbetweenminimum10andMaximum255minutes.
TheON/OFFratiowillbecalculatedbasedonthemeasured
ambienttemperature.
14 | nVent.com
Figure 8 8: Controller Settings
ThePower Adjustment factor(min10%toMax200%)The
Poweradjustmentfactorcanbeusedtoinfluenceoroverride
thecalculatedON/OFFrationvaluesinexcessof100%willlead
tomoreheat,valuesbelow100%willreducethetemperature.
TapApplytoconfirmyournewsettings
Controller Settings 1 (Force ON / Force OFF)
Figure 8 9: Controller Settings
Force OnTherelayoutputispermanentlyswitchedon(user
override),turnsonthepowertotheheaterandleavesiton.
Force OFFTherelayoutputispermanentlyswitchedoff(user
override),turnsoffthepowertotheheater,andleavesitoff.
Note:RemembertomonitorthepipetemperaturesforLow/
HightemperaturealarmswhenselectingForceONorForceOFF
controlmode.
TapApplyafterthedesiredcontrolmodehasbeenselected.
nVent.com | 15
8.4. Changing NGC-20 device tag name
TaponSettings 2onthebottomofthecontrollersettingsscreen(Figure8-6tillFigure8-9).
Controller Settings 2
Figure 8 10: Controller Settings – Settings 2 screen
ThisscreenallowsyoutochangetheNGC-20devicetag.Tags
canbe39charactersinlengthandmaycontainallnumeric
characters.EnterthedesiredTagfortheNGC-20deviceby
tappingintheactualdevicetagorelsewhereinthatfield.(NGC-
20-1)
ConsoleUnits:fieldallowschangingthewaytemperatureunits
areshownontheNGC-20controlunits’display.Temperature
canbeshownindegreesFahrenheitorCelsius
Load Shed / Temperature Source Communications Timeout
NGC-20 Tag
Figure 8 11: Temp Set point Numeric Screen
EnterthedesiredTagbyusingtheonscreenkeyboard.TapOK
whenfinished.
- For this example, thenewtagwillbe“Pipe#1”.
8.5. Changing the NGC-20 console units.
TaponthefieldConsoleunitstochangethereadoutoftheNGC-20Controlunitsdisplay.
Console Units
Figure 8 12: NGC-20 Console Units screen
Taponthedesiredconsoleunits.
16 | nVent.com
8.6. Load Shed / Temperature Source Communications time out
Loadsheddingisacontrolmodethatcanbeprogrammedandinitiatedonlybyanexternalcommunicatingdevice,whichoverrides
temperaturecontrolandforcestheoutputofthecontrollerOFFuntiltheoverrideisremoved.Whenusinganexternaldevice
(SupervisorSoftwareoraDCS),aloadsheddingcommandiscontinuallybroadcastoverthecommunicationsnetwork.
Whenpowerisapplied,thecontrollerdelaysenergisingitstraceby‘x’numberofseconds,where‘x’isequaltothelastdigitinits
networkaddress.Iftheloadshedfunctionisenabled,thecontrollerwillgointoloadshedmodebeforeitturnsitsoutputon.Itwill
thenlookforthebroadcastedloadshedcommand.Ifthecontrollerreceivestheloadshedcommandbeforeittimesout,itwill
remaininloadshedmode,andtheoutputwillremainoffaslongasthemodulereceivesaregularbroadcastofthecommand.If
thecontrollerdoesnotreceivetheloadshedcommandwithinthetimeoutperiod,itwillenergiseitsoutputandresumenormal
operation.Thetimingofthisbroadcast(andthetimeoutvalue)canvarybetween30secondsand10minutes.Atotalof16different
loadsheddingzonescanbedefined.
EnterconfirmsthenewsettingsandreturnstoFigure8-10ControllerSettings–Settings2screen.
Figure 8 13
8.7. Setting the Auto Cycle Interval.
TaponSettings3onthebottomofthecontrollersettingsscreenofFigure8-6tillFigure8-10
Controller Settings 3
Figure 8 14: Controller settings - Settings 3 screen
ThisscreenallowsyoutochangetheNGC-20devicetag.Tags
canbe39charactersinlengthandmaycontainallnumeric
characters.EnterthedesiredTagfortheNGC-20deviceby
tappingintheactualdevicetagorelsewhereinthatfield.
(NGC-20-1)
ConsoleUnits:fieldallowschangingthewaytemperatureunits
areshownontheNGC-20controlunits’display.Temperature
canbeshownindegreesFahrenheitorCelsius
Load Shed / Temperature Source Communications Timeout
nVent.com | 17
8.8. Alarm Output Mode
TheAlarmOutputModedefinesthewaythealarmrelaywillactincaseofalarms.Thedifferentoptionsare:NormalOperation,
Toggle,Flashorcancel.
Alarm Output Mode
Figure 8 15: Alarm Output Mode
Normal operation:Selectingthiswillresultinthealarmrelay
changingstateincaseofanalarm.(Generalalarm)Thismeans
theopencontactwillcloseandtheclosedcontactoftheSPDT
alarmrelaywillopen.
Toggle:selectingtogglewillcausetheAlarmrelaytochange
stateeachtimeanewalarmcomesup.
Flash:selectingtoFlashtheAlarmrelaywillalternativelyopen
andclosetheAlarmrelay.Theintervalitselfcanbeuserdefined
intheAlarmOutputToggleTime
Cancelwilltakeyoubacktothepreviousscreenwithoutanyof
thechangesmade.
8.9. Setting up Load Shedding
A total of 16 different load shedding zones can be defined.
Load Shedding 1
Figure 8 16:Controller Settings, Load Shedding 1
Ifaloadsheddingcommandispresent,thecontrollerwill
continuetoholdtheoutputOFF,untiloneoftwoconditions
occurs:
1.Thezonedefinitionflagsofanexternalcommunicating
devicewhichinitiatedloadsheddingclearsandthecommand
toterminateloadsheddingmodeisissued.
2.Communicationsareinterruptedbetweenthe
controlleranditscommunicatingdevice,asin
thecaseofadamagedcommunicationswire.If
c o m m u n i c a t i o n c e a s e s f o r a s p e c i f i e d t i m e o u t v a l u e ,
thecontrollerwillreturntonormaloperation.Thevalueforthis
timeoutisprogrammablewithinthecontroller(30secondsto
600seconds).
Note:Thecontrollerwillreturntonormaloperationif
communicationsbetweentheexternalcommunicatingdevice
andthecontrolleraredisruptedinanyway.Thiswillreturn
temperaturecontroltotheHTC.Also,theHTCdoesnotperform
aperiodicautocycletestwhileoperatinginloadshedmode.
18 | nVent.com
Load Shedding 2
Figure 8 17: Controller Settings, Load Shedding 2
Threeparametersmustbesetinthecontrollertoconfigureitfor
loadsheddingoperation:
1.Theloadsheddingfeaturemustbeenabled.
2.TheFAILSAFEMODEparametermustbeenabledordisabled
dependingontheapplicationrequirements.IfFAILSAFEMODE
isenabled,thenatleastoneLOWTSALARM(ofaTSusedinthe
TSCONTROLMODE)mustbeenabled.Ifthealarmtemperature
exceedstheCONTROLSETPOINTtemperature,fail-safemodewill
bedisabled.
3.Thezonedefinitionflagsofanexternalcommunicatingdevice
thataretobeassociatedwiththeloadsheddingactionforthe
controllermustbedefined.TheNGC40controllerwillsupportupto
16differentzones.
Theseparameterscanonlybeconfiguredusinganexternal
communicatingdeviceconnectedtothebridgeorUIT.
Notes:
•Fail-safemodeisalwaysdisabledifthe
SWITCHCONTROLMODEissettoeitherofthe
twoproportionalambientcontrolmodes,ortheTS
CONTROLMODE=EXTINPUT,FAILOFF/ON
•TheHTCwillturnonitsoutputswitchwhenthe
controltemperaturebecomeslessthanthehighest
LOWTSALARMtemperatureifthefollowing
conditionsaremet:
–Fail-safemodeisenabled
–Loadsheddingisactive
–TheTSCONTROLMODEusesbothTS1andTS2
–BothTS1andTS2havetheirLOWTSALARMSenabled
•AFORCEONoverridesignalhashigherprioritythan
aloadsheddingsignal.AnINHIBITsignalhashigher
prioritythanfailsafemode.
TappingtheBackbuttonbringsyoubacktotheNGC-20
configurationscreen(Figure82:NGC-20Configurationscreen)
nVent.com | 19
9. CHANGING NGC-20 TEMPERATURE SETTINGS AND TEMPERATURE ALARMS
OntheNGC-20Configurationscreen(Figure91)taponTemperatureSettings.
Figure 9 1: NGC-20 Conguration screen
9.1. Changing NGC-20 Temperature Sensor Type (Sensor 1).
Thefirstscreenofthetemperaturesettingsscreenenablesconfigurationofthesensors.TheNGC-20controlunitsupportsonlyone
typeoftemperaturecontrolinput(Pt100-3-wire)
Temperature Settings Sensor 1
Figure 9 2:Temperature Settings: Sensor 1 screen
ThefirstfieldTemperature sensor 1 Typeoffersonlytwo
optionseither
“3wire100OhmPlatinum”
or
“NotUsed”
onlyuse
Notused
whenthereisnotemperaturesensorconnectedtothis
input.
9.2. Setting High and Low Temperature Alarm Set Points (Sensor 1)
High / Low Alarm Set point Sensor 1
Figure 9 3:Temperature Settings: Sensor 1 screen
High Alarm Set Point
Enterinthisfieldthevalueatwhich-whenexceeded-you
wanttheNGC-20controlunittogenerateahightemperature
alarm.ThisHighTemperatureconditionwillbemonitoredby
TemperaturesensorT1only.
Low Alarm Set Point
Enterinthisfieldthevalueatwhich-whenexceeded-you
wanttheNGC-20controlunittogenerateaLowTemperature
Alarm.ThisLowTemperatureconditionwillbemonitoredby
TemperaturesensorT1only.
20 | nVent.com
9.3. High and Low Alarm Filter (Sensor 1)
High and Low Alarm Filter Sensor 1
Figure 9 4: Temperature Settings: Sensor 1 screen
Alarm filterscanbeseenasanalarmdelay.Thismeansthat
whenthetemperaturedropsbelowtheLowAlarmSetpointthe
NGC-20Controlunitwillonlytriggeranalarmwhenthevalue
enteredintheLowAlarmFilteristimedout.Thismeansthatif
immediateactionofthealarmoutputisrequired,theLowAlarm
Filtervalueshouldbesetat0sec.Anyothervaluewillresultin
adelay.TheoperationoftheHighAlarmFilteristhesame.Min
0toMax59940secondsforSensor2inordertoconfigurethe
secondtemperatureinputconnectedtotheNGC-20controlunit.
HitApplywhendone.TheBackbuttonwillbringyoubacktothe
NGC-20ConfigurationscreenofFigure82.
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