FTCWORKSHOPELECTRICALWIRINGElectricalBoardControllerWiring

NXTWiringMain12VoltPowerWiring

SamanthaWiring

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InthefirstsectionwewillbewiringabasicrobotusingthesuppliesthatcomesinthebaseTetrixkit.

12voltpowerwiringtoincludebattery,switch,SamanthaModule,controllersanddrivemotors.

ControlWiringfromtheNXTtoeachofthecontrollers,NXTtooneLegomotor,servomotortoservocontroller,Encoderwiringfromthemotorstothecontrollers.

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ElectricalBoard

Ifyouwouldliketomakeyourownelectricalboardpurchasepolycarbonate1/8thicknessandcutit13x7inches.YoucanlayouttheTetrixpartslikeshowninthispresentationtomarkalltheholes.Drillallthehole3/16diameter.Thelargeslotholeis1x3inchesbutyoucouldjustcutasquaresectionout1.75x3inches.

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BUILDNXTMount

ConnecttheLegopartsasshown allpartsareintheTetrixkit.

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BUILDNXTMount

ConnecttheLegopartsasshown allpartsareintheTetrixkit.

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InstallNXTontobase

Note:Mountingnutsareinstalledupsidedownbecausekitscrewsaretooshort.IwouldsuggestpurchasinglongerscrewsandreplaceallTetrixnutswithNyLocknuts,evenfortherobotbuildIwoulduseNyLocknuts.

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ControllerInstall

Installthecontrollersusingthreadedrodcouplers,nutsandboltsasshownUsethethreadedrodcouplerstosupporttheuppercontrollers

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PowerSwitchInstall

InstallanglebracketusingnutsandboltsasshownAttachtheswitchmountthatcamewiththeTetrixkit

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BatteryMount

Install2inchscrewsandbottomthenutstothebaseNote:AVelcrostrapshouldbeinstalledtoholdthebatterydown

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SamanthaModule

TheSamanthaModuleneedstobewiredrightafterthemainswitchperFTCpublishedbestpracticeusingaterminalblockorbuttspliceconnectors

VisitFTCToolBoxformoreSamanthaModuleinformation

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SamanthaModule

TheSamanthaModuleneedstobemountedoutsidetheframeandhighaspossibleper FTCpublishedbestpractice

Thecableshouldhangdownstraightwithnostrain.SupportthecablewhenitcomesoutoftheSamanthaModule.Ainchgearhubistherightsizeforholdingthecableoffthemount.TheUSBcableneedstoberemovedatcompetitionforflashingtheModulesomakeitaccessible.

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ControllerPowerWiring

WhenterminatingtheSamanthaModuleprovideanextrasetofwiresandconnecttothefirstcontrollerinthewiringchain

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ControllerPowerWiring

ConnectionsaremadetotheterminalsmarkedBatteryonthecontrollers.Connectwiringfromthefirstcontrollertothesecond

controller.Makesuretoconnectredtopositiveandblacktonegative.

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ControllerPowerWiring

ConnectthemotorleadstothemotorcontrollerterminalsmarkedMotor1andMotor2.Redtopositiveandblacktonegative.Connect

onlyonemotortoMotor1andonlyonemotortoMotor2

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ServoandLegoMotorWiringServosareconnectedtotheservocontrollerviatheChannelports.Morethanoneservocanbeused.TheLegomotorsarepluggedinto

theNXTportA,BorC

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ConnectWiredBasetoChasseNowthatyourwiringiscompletedyoucanmountthewiredbaseplate(usingtheholesthatlineup)tothedrivechasseandconnectthemotorleadstothedrivemotors.Theencoderleadscanbeconnectedtothemotorcontrollers.Makesurethatyouconnectmotoroneencoderto

motoroneandmotortwoencodertomotortwo.

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ControlWiringConnectacontrolwirefromtheNXTtothemotorcontroller.Connecta

controlwirefromthemotorcontrollertotheservocontroller

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BasicWiringCompleteOnthisrobotthedrivewheelsarethefrontandtheelectricalbasecanbemovedallthewaybackifneeded.Yourrobotmaybedifferentinlayoutanddesign.Thiselectricalbasecanbelocatedany

whereonyourdesignaslongasyouallowfora13x7inchspace.RememberthatthepowerswitchandNXTneedstobeeasilyaccessibleforthejudges.

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FTCWORKSHOPELECTRICALWIRINGADVANCESECTIONAdditionalControllerWiring

AdditionalNXTWiringAdditionalPowerWiring

MultiplexerWiringSensorwiring

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InstallingAdditionalControllers

Nutandboltthesecondmotorcontrollerasshown.Besuretousethethreadedrodcouplersontherearofthecontrollerlikethepicture

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InstallingAdditionalControllers

Nutandboltthethirdmotorcontrollerasshown.Besuretousethethreadedrodcouplerslikethepicture

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InstallingAdditionalControllers

Nutandbolt2or3inchscrewtothebaseplateasshown.Itwillbethesupportforthenextcontroller.

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InstallingAdditionalControllersAttachtwothreadedrodcouplerusingtwo1screwstothefrontofthefourthmotor

controllerandscrewitthroughthecouplerbutdonottightenthemalltheway.Slidethefourthmotorcontrollerdownintopositionandtightenthe1screwstothe

thirdmotorcontrollerthreadedrodcouplersandtighten.Installthenutsonthe2screwstosecurethefourthmotorcontroller

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PowerWiringTheAdditionalControllersConnecttheblackandredwiresfromthefirstmotorcontrollertothe

secondandfromthesecondtothethirdandfromthethirdtothefourth

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AdditionalControlWiringInstalledConnectacontrolwirefromtheNXTtothesecondmotorcontroller.

ConnectControlwiresfromthesecondcontrollertothethirdandfromthethirdtothefourthmotorcontroller.Becarfulhowmanycontrollersaredaisy

chained,yourcodemightgetlostonthewaytothelastcontroller

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MultiplexerInstallation

MultiplexersallowfortheadditionofsensorswhentheNXTportsarefull.Therearetwotypesofmultiplexers,poweredandunpowered.Poweredworkforsensorsthatrequirepowertooperatelikealightsensor.A

unpoweredmultiplexerisusedforsensorsthatdontrequirepowerlikeatouchswitchorlimitswitch.

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CompletedWiringSystem

Youcanaddsensors,motorsandservosasyouneedthem.Itisuptoyouandyourteamtolearntousethemandlearnmoreabouttheiruse

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MountingOptions

Youcanmounttheelectricalboardanywayyouwouldlike

MakesurewhenyouchangeitsorientationthatthejudgescaneasilyaccesstheNXTandthepowerswitch

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SCHEMATIC

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ThankYouForAttendingPowerpointbyJoeWeberFRCTeam1322FTCTeam5954FTCTeam7032

FLLTeamWhiteWolvesInvolvedinFIRSTsince1999

MemberofMMRAKetteringFRCCommittee

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