Добавил:

Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.

Вуз:

Российский государственный гуманитарный университет

Предмет:

[НЕСОРТИРОВАННОЕ]

Файл:

itc_pc-manual.docx

Скачиваний:

Добавлен:

01.05.2025

Размер:

9.21 Mб

Скачать

☆

<<< < Предыдущая 1 23 / 83 4 5 6 7 8 > Следующая >>>

4.3.5Signalgroupsselection

Youcanselectsinglegroupseparately(byrows)orallsignalgroupsatonceusingSelectall,SelectnoneorSelectinversebuttons.

Figure40:Selectbuttons

4.4 Step3-Minimumintergreentimematrix

Figure41:STEP3

Group-minimumintergreentimesSTEP3(F997)Allthehardwareconflicts(andnotthesoft-wareconflicts)inthecontrollermustbeprogrammedinthisfunction.TheseintergreentimesactasminimumvaluesfortheintergreentimesdefinedinfunctionF6(STEP8)andasmaxi-mumvaluesforthetimesdefinedinF992(STEP4).Foreachgroupyoucanprogramfrom0toF999N10intergreentimes.Thegroupbeingprogrammedisthegroupendingthegreenperiodandtheconflictinggroupisthegroupwantingtogotothegreenperiod.NB!!!Theintergreentimesaremeasuredfromtheendofsinglegreenintheprogrammedgrouptotheearlieststartofgreen-singlegreenorred/yellow-intheconflictingincominggroups.Thered/yellowtime(parameterF4GN8)isnotincludedifparameterF993N1=2,i.e.itispossibletohavegreenintheprogrammedgroupandred/yellowintheconflictinggroupatthesametime.Theflash-inggreentime(parameterF4GN10)intheprogrammedgroupisautomaticallyaddedtotheintergreentimeifnotdisabledbyparameterF993N1=1.

_4.4.1_Mini_m_um_interg_r_eentime_m_a_t_r_ix

Figure42:Minimumintergreentimematrix

_4.4.2Interg_r_eentime_options

Figure43:Intergreentimeoptions

Formoreinformationaboutintergreentimeoptionssee:Additionalsettings-STEP14.2page

_4.5_STEP_4-Signalg_r_oup_conflicts

Figure44:STEP4

Thesignalgroupconflictmatrixcontainsnumberofgroups,whichareinconflictwitheachother.ForexampleGroup3isinconflictwithgroups:G2,G4andP6.

Figure45:Conflictinggroupnumbers

_4.6_STEP_5-_Inte_r_section_sta_r_t-up_sequence

Figure46:STEP5

Beforethecontrollercanchangetocontrolorstandbymodeitfirstgoestostartupmode.Startupmodeisthebaseonthreeintervals,inwhichthecontrollerdisplaysdifferentsignals:

•interval1:controllerdisplaydarkoryellowflash(ifyellowflashmodeused),

•interval2:thesignalgroupoutputisindividuallyprogrammed.Normallythevehiclesignalgroupsdisplayyellowandthepedestriangroupsdisplayredsignal,

•interval3:thesignaloutputisindividuallyprogrammed.Normallysignalgroupsdisplaysredsignal.

Youcandecidethetimein[s]foreachinterval:

Figure47:Intervalslengthin[s]

Selectonegrouporfewsignalgroupsandchoosethestart-upmodefromthelist:

Figure48:Start-upmode

4.7 STEP6-Generalplanprogramming

Figure49:STEP6

4.7.1Programmedplannumber

STEP6containssomegeneralplansettings.NumberofplansisalreadydecidedinSTEP1.Firstchoosetheplannumberyouwouldliketoprogramfor:

Figure50:Choosingtheplannumber

4.7.2Plantype-isolated

Differentplantypesrefertoadifferentcontrolmodes:

•notusedplan-planexistintheconfigurationbutislockedandcan’tbeusedortriggered,

•isolated-typicalforisolatedintersectionlocatedfarawayfromanyotherintersectionswithtrafficlights,

•localcoordinated-typicalplanforintersectionslocatednearbyotherintersectionwithtrafficlights(greenwave)

•centralcoordinated-typicalplanforintersectionslocatednearbyotherintersectionwithtrafficlights(coordinationmanagedfromcentralsoftware)

•specialcentralcoordinated-typicalplansforintersectionslocatednearbyotherinter-sectionwithtrafficlights(coordinationmanagedfromcentralsoftwareSPOT/UTOPIA).

Figure51:Plantype

4.7.3Start-upstage-firststageafterthestar-upmode

Thestart-upstageisthefirststagethatbecomesactiveafterthestart-upsequence.

FormoreinformationaboutStart-upsequencesee:STEP5-Intersectionstart-upsequencesection4.6page32

Forexample:

Ifthemainroadgroupsbelongtostage1andyouwouldliketostartthethreecolorsmodewiththemainroadgreen,makethestart-upstagevalue=1.

Figure52:Start-upstage

Forexample:

Ifthesideroadgroupsbelongtostage2andyouwouldliketostartthethreecolorsmodewithsideroadgreen,makethestart-upstagevalue=2.

Figure53:Start-upstage

_4.8_STEP_7-Lamp_supe_r_vision

Firstchoosethesignalgrouporgroupsyouwouldliketocreatethesupervisionprogrammefor.Ifthenumberoflamps(signalheads)andmonitoringfunctionisthesameforseveralsignalgroupsyoucanmarkthemallandcreateprogrammingonceforallofselectedsignalgroups(useCtrl+leftmousebuttontoselectmorethenonesignalgroup):

Figure54:Chosesignalgroup

Minlampload/Numberoflamps

Decidethemincriticallampload.Theminimumloadvalueforalllamploadswillbecomparedto.Thevalueisgiveninwatt[W]andiscommonforalltheoutputs.(x=0defaultvalueof16[W]willbeused).

Figure55:Minimumlampload

Checkthenumberofred,yellowandgreensignalsconnectedtotheprogrammedsignalgroup:

Figure56:Numberoflampsinthesignalgroupcircuit

Lamploadsupervision(GREEN,YELLOW,RED)

Youcannowdecidethewarningandcriticallimitsforthenumberoflampsnotworking(burned).Therearethreelevelsavailable:level1(warning),level2(critical),level3(criticalbymin/maxload):

Figure57:Lamploadsupervisionlevels

Hereyoucandecidedifferentlamploadfailuremodes:

•level1(warning)-whenspecifiednumberoflampsisnotworkingbutthecontrollerisallowedtostayinthethreecolormode(operationmode).Forexamplewhenonlyoneredlampisnotworking:

Figure58:Warninglevel1

•level2(critical)-whenspecifiednumberoflampsarenotworkingcontrollergoestofailuremode(darkoryellowflashing).Forexamplewhentworedlampsisnotworking:

Figure59:Criticallevel2

•level3(criticalbymin/maxload)-whenspecifiedlamploadwillgodownbelowtheprogrammedminorabovethemax,thecontrollergoestofailuremode(darkoryellowflashing).

Figure60:Criticallevel3

Itisalsopossibletodisableallcriticalsupervisionfunctionsandleavethewarninglevel.Thisway,eveninthesituationwhenalllampsarenotworking,controllerwillstayinthreecolorsoperationmodeandwilljustgiveyouawarningmessage.

Figure61:Lamploadsupervisiondisabled

Thelamploadsupervisionfunctioncanbeprogrammedforeachsignals(red,yellow,green)

separately

Figure62:Lamploadsupervision

_4.9_STEP_8-P_h_{ysicalandficti}_v_einterg_r_eentime_m_a_t_r_ix

_Figu_r_e63:_STEP₃

4.9.1Intergreentimes

IntergreentimesSTEP8(F006)TheintergreentimescanneverbeprogrammedtoalowervaluethantheminimumintergreentimesprogrammedinSTEP3(F997).Itislegaltoaddnewinter-greentimes,so-calledfictiveconflicts.Theintergreentimesaremeasuredinthesamewayastheminimumintergreentimes,i.e.fromtheendofsinglegreenintheprogrammedgrouptotheearlieststartofgreen(red/yelloworsinglegreen)intheconflictinggroups.Thered/yel-lowtime(parameterF4GN8)isnotincludedifparameterF993N1=2,i.e.itispossibletohavegreenintheprogrammedgroupandred/yellowintheconflictinggroupatthesametime.TheashinggreentimeintheprogrammedgroupisautomaticallyaddedtotheintergreentimeifnotdisabledbyparameterF993N1=1.Thetimescanbeprogrammedto0,whichmeanstheincominggroupisallowedtogetgreen.Atthesametimetheincominggroupwillalsogiveconflictingrequestswhenthegroupisnotgreen.

Figure64:Intergreentimes

4.9.2Fictiveconflicts

Fictiveconflicts(programmedonlyinSTEP8)canbeusedinmanydifferentways.

Forexample,thesignalgroupG2isnotinaphysicalconflictagainstpedestriangroupP6.Butfromthestagediagramitlookslikethistwosignalgroupsshouldnevergetgreentogether.Ifadditionallyyoufindsuchrequirementinthetrafficdesign,itisthereasontoputthefictiveconflictbetweenG2andP6.

Figure65:Minimumintergreentimematrix

Fictiveconflictshavealsoagreatmeaningintheprogrammingpassivegreentomakesignalgroupsfollowingothersignalgroupsingreen.

4.9.3Fictiveconflictsindication

Fictiveconflictsarealwaysindicatedwithabluerectangle.Thiswayyoucandistinguishphysi-calconflictsfromthelogicalonce.

Figure66:Fictiveconflictsindication

4.9.4ProgrammingintergrentimevaluesinSTEP8

STEP8intergreentimevaluelooksabitdifferentfromthevalueyoucanfindinSTEP3.Thefirsttwonumbersconcernsadvancedintergreentimemodesettingsanditisnotobligatorytousethem(youcanleaveitasa00mode).Onlythesecondpartconcernstheintergreentime.