eGoElectricBicycleSpecification SCController

eGOElectricBicycle

SCController

Specification

Supplier:Taiwanshonecheelectronicsindustrialco.,ltd.

PAGE1

eGoElectricBicycleSpecification SCController

Contents

1Introduction...... 3

1.1DocumentPurpose...... 3

1.2Scope...... 3

2InputsandOutputs...... 4

2.1PowerInputs...... 4

2.2SignalInputs...... 4

2.3ControlOutputs...... 4

3Operation...... 5

3.1DriveDisableTimeout...... 5

3.2ModesofOperation...... 5

3.2.1 ‘GoFar’ Mode...... 5

3.2.2 ‘GoFast’ Mode...... 5

3.3BrakeLightRelay...... 6

3.4AcceleratorInputHighatStartUp...... 6

3.5Low/HighVoltageCutout...... 6

3.6OvertemperatureRollback...... 6

3.7Regenbrakeswitch………………………………………………………………………….6

3.8Motortemperaturethermalsensor………………………………………………………...6

3.9Batterycurrentdischargecontrol…………………………………………………………..6

4DiagnosticCodes...... 7

5CircuitDiagram………………………………………………………………………………...11

6Documentrevise……………………………………………………………………………….11

PAGE1

eGoElectricBicycleSpecification SCController

1Introduction

1.1DocumentPurpose

ThisdocumentdescribesSCcontrollerfunctionalityfortheeGOElectricBicycle.

1.2Scope

Thisspecificationwillcovertheoperationofthecontroller,inputsandoutputs,diagnosticcodes.

PAGE1

eGoElectricBicycleSpecification SCController

2InputsandOutputs

ThefollowingsectiondefinestherequiredI/OfortheSCcontroller.

2.1PowerInputs

Thefollowingpowerconnectionsshallbeprovided:

11)BatteryPositive

22)BatteryNegative

33)TwoconnectionsforthePMmotor.

ThelayoutofthepowercircuitisshowninSection6.

2.2SignalInputs

Thefollowingsignalinputsshallbeprovided.

11)KeySwitch – appliesbatteryvoltagetothecontroller.

22)GoFar/GoFastModeSwitch – selectstheGoFar(Economy)orGoFastmodes.

33)AnalogAcceleratorInput – setsthespeeddemand.

2.3ControlOutputs

Thefollowingoutputswillbeprovided:

11)Line/Drivecontactordriver.

22)BrakeLightRelaydriver.

PAGE1

eGoElectricBicycleSpecification SCController

3Operation

3.1DriveDisableTimeoutafterkeyswitchON.

11)Whenthereiszeroacceleratordemand,thecontrollerwilldisabledrive.

2 Thecurrentisaround470mA.

32)Defaultsettingisover120seconds,thecontrollerwilldisabledrive

4 Thecurrentisaround390mA.

53)Defaultsettingisover10minutes,thecontrollerwillsetinsleepingmode.

6 Thecurrentisaround50mA.

73)Tore-activatedrivethekeyswitchisrequiredtoberecycled.

8

3.2ModesofOperation

11)Thecontrollerhastwooperationalmodes:

0a) ‘GoFar’ Mode.

1b) ‘GoFast’ Mode.

22)ThemodeisselectedbythestateoftheswitchinputonPin2

33)Iftheswitchisopen,the ‘GoFar’ modeisselected.

44)Iftheswitchisclosed,the ‘GoFast’ modeisselected.

55)Iftheswitchisdisconnectedorthewiringbecomesopencircuit,themodewillreverttothe’GoFar’ mode.

3.2.1 ‘GoFar’ Mode

11) Theaccelerationrateissetto1.5seconds.Thisisthetimetakenforthecontrollerto reach100%dutycycleaftertheacceleratorisatfulldemand. Themaxspeedislimitedto80%.Thisisapercentageofthemaximummotorvoltageavailable.

2

2) Switch3ONandswitch4OFF,Themaxspeedislimitedto70%. Thisisapercentageofthemaximummotorvoltageavailable.

3) Switch3ONandswitch4ON,Themaxspeedislimitedto80%. Thisisapercentageofthemaximummotorvoltageavailable.

4) Switch3OFFandswitch4ON,Themaxspeedislimitedto90%. Thisisapercentageofthemaximummotorvoltageavailable.

5) Switch3OFFandSwitch4OFF,Themaxspeedislimitedto90%. Thisisapercentageofthemaximummotorvoltageavailable.

3.2.2 ‘GoFast’ Mode

11)Theaccelerationrateissetto0.5seconds.Thisisthetimetakenforthecontrollertoreach100%dutycycleaftertheacceleratorisatfulldemand.

22)Themaxspeedis100%.Thisisthemaximummotorvoltageavailable.

3.3BrakeLightRelay

11)Thebrakelightrelayisactivatedwhenthevehicleisneutralbraking.

22)Afterneutralbrakingiscompletedandthevehiclehasstopped, therelaywillcontinuetobeactiveuntildriveisre-initiated.

PAGE1

eGoElectricBicycleSpecification SCController

3.4AcceleratorInputHighatStartUp

11)Ifthereisahighacceleratordemandonstartupdriveisinhibited.

22)Drivecanbere-enabledbyreturningtheacceleratortothezeroposition.

33)Arecycleofthekeyswitchisnotrequiredtoclearthefaultaslongastheaccelerator

isonthezeroposition.

3.5Low/HighVoltageCutout

11)Ifthebatteryvoltagefallsbelow13Vorthebatteryvoltageraisesabove32Vthecontrollerwilldisabledrive.

3.6OvertemperatureRollback

11)Whentheheatsinktemperatureofcontrollercaseexceeds70oC,thecurrentlimitisprogressivelyreduced(thespeedwouldbeprogressivelyreduced.)

22)Theminimumcurrentis33%ofthecurrentlimit.(thespeedwouldreducedto33%oforiginal)

3.7Regenbrakeswitch

1)Whentheregenbrakeswitch1or2orbothisONposition,theregenbrakestrengthis50%output.(

12)Whentheregenbrakeswitch1or2orbothisOFFposition,theregenbrakestrengthis80%output.

3.8Motortemperaturethermalsensor

11)Whenthemotortemperatureisover70C+-10C,thespeedwouldreduceto70%.

22)Whenthemotortemperatureisover80C+-10C,thespeedwouldreduceto50%

03)Whenthemotortemperatureisover90C+-10C,thespeedwouldreduceto10%.

3.9Batterycurrentdischargecontroll

11)Themaximumdischargeofbatteryiscontrolledto110A+-10A

22)Themaximumdischargecurrentwouldbereducedbecauseofcontinuousbigdischarge.Themaximumdischargecurrentwouldreduceto85A+-10A

PAGE1

eGoElectricBicycleSpecification SCController

4DiagnosticCodes

Numberofflash / Reason / Check
1 / AnomalyControllerormotor / FET,motor
2 / AnomalyControllerorContactor / FET,Contactor,
3 / Thethrottleisnotonzeroposition / Throttlewire
4 / Thevoltageisnotcorrect.Batteryvoltagelower13Vorhigher32V / Battery
5 / Motoropen / Motor
6 / Motorshort / Motor

Remark1:

Thegapofeachflashis1.5second,Thegapforacycleflashis3second.

Remark2:1flash

A.FETNGmenasthe1positionisNGsituation.

OR

B.ThemotorM-wireisshortwithcase.

Itcouldbecheckedbyelectricalmeasuringinstrument

Method:disconnectthebatterywire,DisconnectthemotorM-wire.Tousetheelectricalmeasuringinstrument “ohm” checkthecontrollerM-andB-isshortornot.Ifitisshort,thenthecontrollerisburnedout.Ifnot,thencheckM-wirehastouchedtometalcase.

Assisttesting:

STEP1 KEYSWITICHON,1FLASH

STEP2 KEYSWITCHOFF

STEP3 DISCONNECTTHEMOTORWIREM-

STEP4 KEYSWITCHON – IFTHERESULTIS5FLASH,ITMEANSTHEMOTORISSHORTWITHCHASSIS,IFTHERESULTIS1FLASH,ITMEANSCONTORLLERNG.

Remark3:2flashes-Contactor

A.FETNG

OR

B.ThecontactorNG

Itcouldbecheckedbyelectricalmeasuringinstrument

Method:disconnectthebatterywire,DisconnectthemotorM-wire.Tousetheelectricalmeasuringinstrument “ohm” checkthecontrollerM-andB+isshortornot.Ifitisshort,thenthecontrollerisburnedout.Ifnot,thecontactorshoulddefective.

PAGE1

eGoElectricBicycleSpecification SCController

Assisttesting:

STEP1 KEYSWITICHON,2FLASH

STEP2 KEYSWITCHOFF

STEP3 DISCONNECTTHEMOTORWIREM-

STEP4 KEYSWITCHON – IFTHERESULTIS5FLASH,ITMEANSTHECONTACTORNG,IFTHERESULTIS2FLASH,ITMEANSCONTORLLERNG.

Remark4:5flashes – Motoropen

Becausecontactorandmotorareonthesamecircuit.Whencontrollerhas5flashes,thedefectivepartisprobablycontactorormotor.

Method:Disconnectthebatterywire.TomeasurethemotorM+andM-isOpensituationornot,Ifitisnotmotoropensituation,thedefectiveshouldbecontactor.

PAGE1

eGoElectricBicycleSpecification SCController

5CircuitDiagram

PAGE1

eGoElectricBicycleSpecification SCController

6Documentrevise

ReivisedateYear/M/D / Applicationnumber / Ver-sion / Description / Remark
1 / 2005-02-01 / 1,1
2 / 2005-08-10 / 2

PAGE1