GraphicOperatorTerminal
Installation
Manual
Edit
ionA,July2013
AKI-CDA-MOD-07T7”TouchscreenHMI
Keepallmanualsasap roductcomponentduringthelifespanoftheproduct.
Passallmanualstofutureusers/ownersoftheproduct.
RecordofDocumentRevisions
Revision Remarks
A,07/2013
Preliminaryedition
HardwareRevision
Revision Firmwarerevision Softwarerevision Remarks
06/2013
b0208
2.0-SP1
Initialrel ease
IMPORTANTNOTICE
Technicalchangeswhichimprovetheperformanceofthedevicemaybemadewithoutpriornotice!
PrintedintheUnitedStatesofAmerica. ThisdocumentistheintellectualpropertyofKollmorgen™. Allrightsreserved. No
partofthisworkmaybereproducedinanyform(byphotocopying,microfilmoranyothermethod)orstored,processed,
copiedordistributedbyelectronicmeanswithoutthewrittenpermissionofKollmorgen™ .
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Kollmorgen|July2013
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AKI-CDA-M OD-07T|CONTENTS
1 General
1.1 AboutThisM
anual .......................................................................
4
2 SafetyPrecau
tions
2.1General ................................................................................... 5
2.2 ULandcULI
nstallation ..................................................................
5
2.3 DuringIns
tallation ........................................................................
6
2.4 Durin gUse
................................................................................
7
2.5 Servicean
dMaintenance ...............................................................
7
2.6 Dismantl
ingandScrapping ..............................................................
7
2.7 Appearan
ceofAirinTouchScreen .....................................................
7
3Installati
on
3.1 Sp aceReq
uirements ....................................................................
8
3.2 Inst all
ationProcess ......................................................................
9
3.2.1 Conne
ctionstotheController ...................................................
10
3.2.2 Other
ConnectionsandPeripherals ............................................
11
4 Technical
Data
5Chemical
Resistance
5.1 MetalC
asing .............................................................................
14
5.2 TouchS
creenandOverlay ..............................................................
15
5.2.1 Auto
flexEBA180L ...............................................................
15
5.2.2 Touc
hScreenSurface ...........................................................
15
5.2.3 Aut
oflexEBA180L ...............................................................
16
6Operato
rPanelDrawings
6.1 Conne
ctors ...............................................................................
17
6.2 Commu
nicationPorts ....................................................................
17
6.3 AKI-
CDA-MOD-07TOutline .............................................................
18
7Additi
onalInstallationTips
7.1 G rou
ndingtheOperatorPanel ..........................................................
19
7.2 Eth e
rnetConnectionintheOperatorPanel ............................................
20
7.3 ToAc
hieveBetterEMCProtection ......................................................
21
7.4 Amb
ientTemperature ....................................................................
22
7.5 Sa f
ety .....................................................................................
23
7.6 Gal
vanicIsolation ........................................................................
24
7.7 Ca b
leandBusTerminationRS485 .....................................................
25
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AKI-CDA-MOD-07T|GENERAL
1 GENERAL
1.1 AboutThisManual
AllAdvancedKollmorgenInterfacesaredevelopedtosatisfythedemandsofhuman-machine
communica tion. Bu ilt-infunctionssuchasdisplayingandcontrollingtext,dynamicindication,time
channels,alarmandrecipehandlingareincluded.
TheAdvancedKollmorgenInterfacesworksprimarilyinanobject-orientedway,makingiteasyto
understandanduse. ConfigurationiscarriedoutonaPCusingtheKollmorgenVisualizationBuilder
configurationtool. Theprojectcanthenbetransferredandstoredintheoperatorpanelitself.
VarioustypesofautomationequipmentsuchasPLCs,servosordrivescanbeconnectedtothe
AdvancedKollmorgenInterfaces. Inthismanual,theterm“thecontroller”referstotheconnected
equipment.
Thismanualexplainshowtoinstalltheoperatorpanel. PleaserefertotheKollmorgenVisualiza-
tionBuilderProgrammingandInstallationmanualforfurtherinformation.
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AKI-CDA-MOD-07T|SAFETYPRECAUTIONS
2 SAFETYPRECAUTIONS
Boththeinstallerandtheownerand/oroperatoroftheoperatorpanelmustreadandunderstand
thisinstalla tio nmanual.
2.1 General
• Readthesafetyprecautionscarefully.
• Checkthedeliveryfortransportationdamage. Ifdamageisfound,notifythesupplierassoonas
possible.
• Donotusetheoperatorpanelinanenvironmentwithhighexplosivehazards.
• Thesupplierisnotresponsibleformodified,alteredorreconstructedequipment.
• Useonlypartsandaccessoriesmanufacturedaccordingtospecificationsofthesupplier.
• Readtheinstallationandoperatinginstructionscarefullybeforeinstalling,usingorrepairingthe
operatorpanel.
• Neverallowfluids,metalfilingsorwiringdebristoenteranyopeningsintheoperatorpanel. This
maycausefireorelectricalshock.
•Onlyqualifiedpersonnelmayoperatetheoperatorpanel.
• Storingtheoperatorpanelwherethetemperatureislower/higherthanrecommendedinthis
manualcancausetheLCDdisplayliquidtocongeal/becomeisotopic.
• TheLCDdisplayliquidcontainsapowerfulirritant. Incaseofskincontact,washimmediately
withplentyofwater. Incaseofeyecontact,holdtheeyeopen,flushwithplentyofwaterandget
medicalattention.
•Thefiguresinthismanualservesanillustrativepurpose. Beca useofthemanyvaria b les
associatedwithanyparticularinstallation,thesuppliercannotassumeresponsibilityforactual
usebasedonthefigures.
• Thesupplierneitherguaranteesthattheoperatorpanelissuitableforyourparticularapplication,
norassu mesrespo ns ibilityforyourprodu ctdesign,installationoro p era tio n.
• Itisrecommendedtoturnonandshutdowntheoperatorpan elatleastoncebeforeinstallingany
components/cardsorbeforeconnectingtheoperatorpaneltoexternaldevices,likeforexample
serialdevices.
2.2 ULandcULInstallation
•Thise
quipmentissuitableforu seinClass2non-hazardouslocationsonly. [Combinationsof
equip
mentinyoursystemaresubjecttoinvestigationbythelocalauthorityhavingjurisdiction
atthe
timeofinstallation].
•Alld
eviceshavetobesuppliedbyaClass2powersupply.
Donotdisconnectequipmentunlesspowerhasbeenremovedortheareaisknownto
benon-hazardous
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AKI-CDA-MOD-07T|SAFETYPRECAUTIONS
• ForCanadaalsoAVERTISSEMENT–AVANTDEDECONNECTERL’EQUIPEMENT,COUPER
LECOURANTO US’AS SURE RQUEL‘EMPLACEMENTESTDESIGNENONDANGEREUX.
OnlyULandcULapprovedexpansionunitsareallowedtobeconnectedtotheport
designated“EXPANSION”. Atthemomenttherearenosuchunitsevaluatedorallowed.
Donotrepla
ceexpansionunitunlesspowerhasbeenswitchedoffortheareaisknownto
benon-haza
rdous.
• Thisproductcontainsabattery;thismustonlybechangedinanareaknowntobenon-hazardous.
• ReplacethebatterywithaBR2032battery. Useofanothertypeofbatterymaypresentariskof
fireorexplosion.
Batterymayexplodeifmistreated. Donotrecharge,disassembleordisposeofinfire.
• Foruseonaflatsurfaceofatype4Xenclosureindooruseonly.
• Use75degreeconductorsonly
• Usecopperconductorsonly
• Tomakewiringconnectionstothepowersupplyconnector,followthetablewithcableandtorque
specificationsbelow:
Termina lBlockNo. WireSizeAWG TQLb.In .
X1/X100Phoenixconnectors AWG30–12
5–7
X1/X100Anytekconnectors AWG24–12
3.5
• ThesedevicesareClass2suppliedprogrammablecontrollers(industrialPCs)fortheusein
industrialcontrolequipmentandareintendedtobe(front)panelmounted(Type1and4xfor
indooruseonly).
2.3 DuringInstallation
•Theo
peratorpanelisdesignedforstationaryinstallationonaplanesurface,wherethefollowing
con
ditionsarefulfilled:
– noh
ighexplosiverisks
– nos
trongmagneticfields
– nod
irectsunlight
– nol
arge,suddentemperaturechanges
• Installtheproductaccordingtotheaccompanyinginstallationinstructions.
• Groundtheproductaccordingtotheaccompanyinginstallationinstructions.
•Onlyqualifiedpersonnelmayinstalltheoperatorpanel.
• Separatethehighvoltage,signalandsupplycables.
• Makesurethatthevoltageandpolarityofthepowersourceiscorrectbeforeconnectingthe
producttothepoweroutlet.
• Peripheralequipmentmustbeappropriatefortheapplicationandlocation.
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AKI-CDA-MOD-07T|SAFETYPRECAUTIONS
2.4 DuringUse
• Keeptheopera
torpanelclean.
• Emergencysto
pandothersafetyfunctionsmaynotbecontrolledfromtheoperatorpanel.
• Donotusetoom
uchforceorsharpobjectswhentouchingthekeys,touchscreenetc.
2.5 ServiceandM
aintenance
•Onlyqualifiedpersonnelshouldcarryoutrepairs.
• Theagreedwarrantyapplies.
• Beforecarryingoutanycleaningormaintenanceoperations,disconnecttheequipmentfrom
theelectricalsupply.
• Cleanthedisplayandsurroundingfrontcoverwithasoftclothandmilddetergent.
• Replacingthebatteryincorrectlymayresultinexplosion. Onlyusebatteriesrecommended
bythesupplier. Duringthewarrantyperiod,thebatteryneedstobereplacedbyanauthorized
Kollmorgenservicecenter.
2.6 DismantlingandScrapping
• Theoperatorpanelorpartsthereofshallberecycledaccordingtolocalregulations.
• Thefollowingcomponentscontainsubstancesthatmightbehazardoustohealthandthe
environment: lithiumbattery,electrolyticcapacitoranddisplay.
2.7 AppearanceofAirinTouchScreen
•Thelaye
rstructureofthetouchscreencontainsairandinrarecasesappearanceofbubbles
canaris
e. Thisispurelycosmeticanddoesnotaffectanyfunctionalityofthepanel. The
appeara
ncecanoccurundercertainenvironmentalconditionssuchastemperature,humidity,
andatmo
sphericpressure.
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AKI-CDA-MOD-07T|INSTALLATION
3INSTALLATION
3.1 SpaceRequirements
• Maximuminstallationplatethickness: 11mm
• Spacerequirementsinmillimeterswhe ninstallingtheop era to rpanel:
50 mm50 mm
100 mm
100 mm
100 mm
204 mm
143 mm
Note:
Thedimensionsonthedrawingarenotproportional.
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AKI-CDA-MOD-07T|INSTALLATION
3.2 InstallationProcess
Thefollo wing
isneeded:
• AP hillip s/slo tscrewdriver
1.
Unpackandche
ckthedelivery. Ifdamageisfound,notifythesupplier.
Note:
Placetheoperatorpanelonastablesurfaceduringinstallation.
Droppingthepanelorlettingitfallmaycausedamage.
2.
Usethecutoutdimensionsthatareincludedontheoutlinedrawing,foundinsection
OperatorPanelDrawingsandintheTechnicalDatatable,tocutacorrectopeninginthecabinet.
3.
Securetheoperatorpanelinpositionusingallthefasteningholesandtheprovidedbracketsand
screws:
x 4 0.5 - 1.0 Nm
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AKI-CDA-MOD-07T|INSTALLATION
4.
Connectthecab
lesinthespecifiedorder,accordingtothedrawingandstepsbelow.
Caution:
•
Ensurethattheoperatorpanelandthecontrollersystemhavethesameelectricalgrounding(reference
voltagelevel),otherwiseerrorsincommunicationmayoccur.
• Theoperatorpan elmustbebrou ghttoambienttemperaturebeforeitisstarte dup. Ifcondensationforms,
ensurethattheoperatorpanelisdrybeforeconnectingittothepoweroutlet.
• Ensurethatthevoltageandpolarityofthepowersourceiscorrect.
• Useonlyshieldedcommunicationcables.
• Separatehighvoltagecabl esfromsignalandsupplycables.
24V DC
RS232/
RS422/
RS485
24V DC
A
D
Controller
Power
B
Ethernet
C
– ConnectcableA.
– ConnectcableB,usinganM5screwandagroundingconductor(asshortaspossible)witha
cross-sectionofminimum2.5mm
2
.
– ConnectcableC.
– ConnectcableD.Therecommendedcross-sectionofthecableis1.5mm
2
.
5.
Carefullyremoveth elaminatedfilmovertheoperatorpaneldisplay,toavoidstaticelectricitythat
coulddamagethepanel.
Not
e:
Whe
nconnectingtheoperatorpaneltothepoweroutletforthefirsttime,makesurenottointerruptpowerfora
min
imumof48hoursinordertochargethebatterycompletely. Afterthat,thebatterymaybechargedpartly
dur
ingashorterperiodoftime.
3.2.1 ConnectionstotheController
Forinformationaboutthecablestobeusedwhenconnectingtheoperatorpaneltothecontroller,
pleaserefertothehelpfileforthedriverinquestion.
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AKI-CDA-MOD-07T|INSTALLATION
3.2.2 OtherConnectionsandPeripherals
Cables,p erip
heralequipmentandaccessoriesmustbesuitablefortheapplicationandits
environment.
Forfurtherdetailsorrecommendations,pleaserefertothesupplier.
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AKI-CDA-MOD-07T|TECHNICALDATA
4 TECHNICALDATA
Parameter AKI-CDA-MOD-07T
Frontpanel,
W×H×D
204×143×7mm
Cutoutdimensions,
W×H
187×126mm
Mountingde
pth
43mm(143mm
includingclear ance)
Standalo ne
mounting
VESA75×75
Note: Maxi
mumscrewlengthforVESAmountingis4mm. Usageoflongerscrews
mayleadto
damage.
Frontpanelseal IP65
Rearpanelseal IP20
Touchscre en
material
Polyesteronglass,resistive.
Overlay: AutoflexEBA180L
(1)
.
Touchscre en
operations
1millionfinge rtouchop erations
Revers
eside
materi
al
Powder
-coatedaluminum
Framematerial Powder-coatedaluminum
Weight 0.8kg
Serialportfor
COM1RS232and
COM2
RS422/RS485
9-pinD-subcontactwithRS232RTS/CTS,chassis-mountedfem alewithstandard
lockingscrews4-40UNC
Serialportfor
COM3RS232and
COM4
RS422/RS485
9-pinD-subcontactwithRS232RTS/CTS,chassis-mountedfem alewithstandard
lockingscrews4-40UNC
Eth
ernet
1×1
0Base-T/100Base-T(shieldedRJ45)
USB 1×U
SBHost2.0,maxoutputcurrent200mA
Pr
ocessor
40
0MHzARM9
Ex
ternalstorage
me
dia
1×
SDcard(optional). OnlycompatiblewiththestandardSDformatwithupto2GB
st
oragecapacity.
Flashmemory
(applicationmemory)
128MBSSD(NANDFlash)
MemoryRAM 128MB(DDR2)
LED 1×blue/redsoftwareprogrammable
Realtimeclock Yes(onchip)
Battery LithiumbatterytypeBR2032 ,soldered
Powerconsumption
atratedvoltage
6.0W
Fuse InternalDCfuse,2.0AT,5×20mm
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AKI-CDA-MOD-07T|TECHNICALDATA
Parameter AKI-CDA-MOD-07T
Powersupply +24VDC(18-32VDC)
CE:ThepowersupplymustconformwiththerequirementsaccordingtoIEC60950
andIEC61558-2-4.
ULandcUL:ThepowersupplymustconformwiththerequirementsforclassIIpower
supplies.
Display TFT-LCDwithLEDbacklight. 800×480pixels,64kcolors
Activeareaof
display,W×H
152.4×91.4mm
Operating
temperatur
e
-10°C–+60°
C
Storagetemperature -20°C–+70°C
Relativehumidity 5-85%non-condensed
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AKI-CDA-MOD-07T|CHEMICALRESISTANCE
5 CHEMICALRESISTANCE
5.1 MetalCasing
Theframeandcasingmaterialispowder-coatedaluminum. Thispowderpaintwithstandsexposure
tothefollowingchemicalswithoutvisiblechange:
Aceticacid10% Phosphoricacid4%
Citricacid10% Phosphoricacid10%
Diesel
Seawater
Distilledwater
Sodiumchloride2%
Edibleoi
l
Sodiumchloride20%
Fueloil
Sulphur
icacid20%
Hydrogenperoxide3%
Tapwater
Thepowderpaintshowslimitedresistancetothefollowingchemicalsatroomtemperature:
Butanol
Nitricacid3%
Hydrochloricacid5% Nitricacid10%
Isopropylalcohol
Phosphoricacid43%
Na-hypochlorite10%
Turpentine
Note:
Ifexposuretoanyoftheabovechemicalsisdemanded,itisrecommendedtofirsttestthe
chemicalinahiddenspotofthemetalcasing.
Thepowderpaintshowslittleornoresistancetothefollowingchemicalsatroomtemperature:
Aceticacid,conc. Methyl-ethylketone Toluene
Acetone
Nitricacid30%
Trichlorethylene
Ammonia5%
Phenol Xylene
Ammonia,conc.
Sodiumhydroxide5%
97octaneunleadedpetrol
Ethylacetate
Sodiumhydroxide30%
98octaneleadedpetrol
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AKI-CDA-MOD-07T|CHEMICALRESISTANCE
5.2 TouchScreenandOverlay
5.2.1 AutoflexEBA18
0L
AutoflexEBA180Lcoverstheoverlaysurroundingthetouchscreen.
SolventResistance
AutoflexEBA1
80Lwithstandsexposureofmorethan24hoursdurationunderDIN42115Part2to
thefo llowin
gchemicalswithoutvisiblechange:
Acetonitrile
DieselDown
ey/Lenor
(1)
Phosphoric
acid(<30%)
Ajax/Viminsolution
Ethanol
Potassiumferricyanide
Alkalicar
bonatesolution
(1)
Glycerine Potassiumhydroxide(<30%)
Ammonia(
<40%)
(1)
Glycol
PureTurpentine
Aceticacid(<50%) Gumption
(1)
SBP60/95
(1)
Arielpo
wderinsolution
(1)
Hydrochloricacid(<36%) Sulfuricacid(<10%)
Bleach
(1)
Linseedoil Tom atoketchup
Castoroil
Methan
ol
Trichloroaceticacid(<50%)
Caust
icsoda(<40%)
(1)
Nitri
cacid(<10%)
White
Spirit
Cuttingoil Paraffinoil
Windex
(1)
Cyclohexanol
Pers
ilpowderinsolution
(1)
Wisk
Diacetonealcohol Petroleumspirit
(1)
-
(1)
Extremelyfaintglossingofthetexturewasnoted.
AutoflexEBA180LwithstandsDIN42115Part2exposureofupto1hourdurationtoglacialacetic
acidwithoutvisiblechange.
Aut
oflexEBA180Lisnotresistanttohighpressuresteamatover100°Corthefollowingchemicals:
Con
centratedmineralacids
Benzylalcohol
Concentratedcausticsolution
Methylenechloride
5.2.2 TouchScreenSurface
T
hetouchscreensurfaceontheoperatorpanelwithstandsexposuretothefollowingsolventswithout
v
isiblech ange:
S
olvents Time
Acetone 10minutes
Isopropanol 10minutes
Toluene 5hours
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AKI-CDA-MOD-07T|CHEMICALRESISTANCE
5.2.3 AutoflexEBA180L
Itisrecommen
dedtousetheAutoflexEBA180Ltouchdisplayprotectionfilm,thatcanbeordered
fromKollmorg
en.
SolventResistance
AutoflexEBA180LwithstandsexposuretothesamechemicalsasAutotexF157orF207accordingto
sectionAutoflexEBA180L.
OutdoorUse
Incommonwithallpolyesterbasedfilms,AutoflexEBA180Lisnotsuitableforuseinconditionsof
long-termexposuretodirectsunlight.
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AKI-CDA-MOD-07T|OPERATORPANELDRAWINGS
6 OPERATORPANELDRAWINGS
6.1 Connectors
1234
COM 3/4LANCOM 1/2
Pos. Connector Description
1 Powersupply
+24VDC(18-32VDC)
2
COM1/2 CommunicationPorts
3LAN
1×10/100Base-T(shieldedRJ-45)
4
COM3/4 CommunicationPorts
6.2 CommunicationPorts
Serialport,9-pinfemale Serialport,9-pinfemale
Pin
COM1 COM2 COM3 COM4
1
-
RS422Tx+
RS485
Tx+/Rx+
-
RS422Tx+
RS485
Tx+/Rx+
2
RS232RxD
-
RS232RxD
-
3
RS232TxD
-
RS232TxD
-
4
-
RS4
22Rx+
-
RS4
22Rx+
5
GND GND GND GND
6
-
RS422Tx-
RS485Tx-/Rx-
-
RS422Tx-
RS485Tx-/Rx-
7
RS232RTS
--
RS422RTS+
8RS232CTS
--
RS422RTS-
9
-
RS422Rx-
-
RS422Rx-
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AKI-CDA-MOD-07T|OPERATORPANELDRAWINGS
6.3 AKI-CDA-MOD-07TOutline
COM3 RS232
COM4 RS422/RS485
COM1 RS232 /
COM2 RS422/RS485
Ethernet
24 V DC
Expansion port
USB host
SD memory
card slot
126
143
99
7
43
max. 11 mm
187 99
204
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AKI-CDA-MOD-07T|ADDITION ALINSTALLATIONTIPS
7 ADDITIONALINSTALLATIONTIPS
Whenexperiencingcommunicationproblemsinforexamplenoisyenvironmentsorwhenoperating
closetotemperaturelimits,thefollowingrecommendationsaretobenot iced.
7.1 GroundingtheOperatorPanel
1
2
3
4
5
6
5350
Door
Operator panel
Ferrite core
Mounting plate in the cabinet
Power supply
24 V DC
Theoperatorpanel’smountingclampsdonotprovideasecuregroundingconnectionbetweenthe
panelandthedevicecabinet,see1indrawingabove.
1.
Connecta2.5mm
2
wirebetweentheoperatorpanel’squick-connectplinthandthepanel’s
chassis,see2indrawingabove.
2.
Connecta6mm
2
or4mm
2
wireorgroundingbraidbetweentheoperatorpanel’schassisandthe
closestgroundingpointonthedoor,see3indrawingabove.
3.
Conne
ctastrongbutshortgroundingbraidbetweenthedoorandthedevicecabinet,see4in
draw
ingabo ve .
4.
Twistthecablesontothe24VDCfeed,see5indrawingabove. Minimumcross-sectionofthe
cableis2 .5mm
2
.
2turnsaroundtheferritecoreprovide4timesthesuppressionof1turn.
3turnsaroundtheferritecoreprovide9timesthesuppressionof1turn.
Aferritecoresuppressesdisturbancestothe24Vfeed,see6indrawingabove.
Not
e:
The
groundingwiresshouldbeshortandtheconductorshouldhavealargearea.
Alo
ng,thingroundingwirehasaveryhighimpedance(resistance)athighfrequenciesandwillnotguide
di
sturbancestotheground.
Mu
lti-wireconductorsarebetterthansinglewireconductorswiththesamearea.
Ab
raidedconductorwirewiththesameareaisevenbetter. Thebestisashort,thi c kgroun dingbraid.
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AKI-CDA-MOD-07T|ADDITION ALINSTALLATIONTIPS
7.2 EthernetConnectionintheOperatorPanel
1
2
3
4
5
RJ45
RJ45
RJ45
RJ45
RJ45
RJ45
RJ45
RJ45
Industrial Ethernet
Operator panel
Operator panel
Operator panel
Operator panel
Shielded
Short and
unshielded
0.1 μF
250 V
1-1
3-3
8-8
2-2
Insom e
industrialunitsforEthernet,theRJ45contact’sshieldisconnectedtothechassisviaa
capaci
tor,see1indrawingabove.
Theoperatorpanel’sEthernetshieldisdirectlyconnectedtothechassis,see2indrawingabove.
1.
CheckwhethertheotherEthernetunithasitsshielddirectlygroundedorgroundedviaacapacitor.
Note:
Inman
ycases,connectingtheshieldedEthernetcablingtothecha ssisatbothend sisinappropriate. Humor
groun
dingloopscanoccur. Unshieldedcablingmayevenresultinfewercommunicationerrors.
AgoodsolutionmaybetouseashieldedEthernetcable,buttoconnecttheshieldatoneendonly.
Oneo pt ionistobreaktheshield,see3indrawingabo ve.
AmoreelegantmethodistoexpandtheshieldedEthernetcablingwithapieceofunshieldedEthernet
cable,see4indrawingabove.
Theshieldcanbegroundedviaanexternal0.1µF/250Vplasticcapacitor,see5indrawingabove.
ThiswillconnecttheHFtransientstoground.
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