Powertrain VLCD7 User manual

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 1/15
VLCD7 DISPLAY INSTRUMENT
OPERATION MANUAL
Tongsheng Powertrain Technology Co,.Ltd
Address: Tongda road 1875-8 Suzhou city
P.C. 215124

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 2/15
CATALOGUE
1. SUMMARY ...................................................3
2. SPECIFICATIONS ............................................3
3. APPEARANCE ................................................3
4. FUNCTION DESCRIPTION .......................................4
5. OPERATION METHOD ...........................................4
5.1. Panel definition .........................................4
5.2. Key definition ...........................................5
1） switch the machine key: ..................................5
2） power tap switch button: .................................5
3） set the key ..............................................5
5.3. General functions ........................................6
1） function conversion ......................................6
2） speed display ............................................6
3） total mileage display ODO ................................6
4） single TRIP ..............................................7
5） average speed shows AVG ..................................7
6） display of battery power .................................7
7） headlight control and display ............................8
8） 6Km/h boost function .....................................8
9） Torque value display function ............................8
10） Set the function .........................................9
1） Enter the setting interface ..............................9
2） Wheel diameter setting ..................................10
3） Maximum speed setting ...................................11
4） 6Km/h boost function setting ............................11
5） Unit selection ..........................................12
6） Speed sensor magnetic steel number setting ..............12
7） Software version ........................................13
6. WIRELESS BLUETOOTH FUNCTION (OPTIONAL) ...................13
7. TROUBLE CODE DISPLAY .....................................13

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 3/15
1. SUMMARY
VLCD7isaspecialLCDinstrumentdesignedforelectricbicycles,whichis
usedtodisplaythevehicle'sdrivingspeed,totalmileage,singlemileage,
batterypowerandsetthemotorpowergear,wheeldiameter,etc.,aswellas
optionalwirelessbluetoothfunction,whichcandisplayandadjustsystem
parametersthroughmobilephones.
2. SPECIFICATIONS
3.APPEARANCE
型号 VLCD7
Workingvoltage DC11V‐60V
Working current 70mA(15V)10mA(60V)
Display type Segment code LCD display
handlebar diameterΦ22.2mm
Working temperature ‐100C—+600C
backlight WhiteLEDbacklightmode,brightness200cd/m2
Overall dimensions 54mm×36mm×27mm
Waterproof level IP65

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 4/15
4.FUNCTION DESCRIPTION
1）Speeddisplay‐‐‐displaysactualcyclingspeedinkilometers(km/h)and
miles(omitted).
2）Batteryleveldisplay‐‐‐‐horizontal4‐segmentdisplayisadopted.Full
brightnessof4segmentsindicatesfullpower.Flickerofthelastsegment
indicatesthatthebatteryisoutofpowerandremindstheusertocharge.
3）One‐waymileage‐‐‐displayssingledrivingmileage,whichcanbereset
manually.
4）Totalmileage‐‐‐‐displaysaccumulatedmileage..
5）Averagespeeddisplay‐displaystheaveragespeedinasinglerange
.6）Powergearselection‐‐‐4powerselection.
7）Wheeldiameterselection‐‐switchwheeldiameter5‐35inches,factory
default26inches.
8）Speedsensormagneticsteelnumberselection‐‐speedsensormagnetic
steelnumber1‐15optional,factorydefault1magneticsteel.
9）Choiceofspeedunits‐metricandimperialareoptional.
10）6Km/hboostfunction‐‐‐‐canbeturnedOFForenabled6Km/hboost
function,factorydefaultOFF.
11）Topspeedlimitselection‐‐‐‐adjustthesizeoftopspeedlimit10‐60
Km/h,thedefaultis25Km/h..
12）Wirelessbluetoothfunction:itcanconnectwiththemobilephoneto
achievemorefunctions.
13）Faultdiagnosis‐‐automaticallydisplaysthefaultdiagnosiscode.
5.OPERATION METHOD
5.1. Panel definition

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 5/15
5.2. Key definition
1） switch the machine key:
Shortpressthebuttontostartup,longpressthe  buttonfor3
secondstoshutdown.
2） power tap switch button:
Shortpress :powerupshift
Shortpress :powerdown
Seetherightpictureforgearposition
display
Thefunctionsofeachgearareas
follows:
0—Thereisnopower
1—1economicmodel(ECO)
2—2travelmode(TOUR)
3—3SPEEDmode
4—4‐blockenhancedmode(TURB)
3） set the key
Keysareusedtoconvertbetweenfunctions

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 6/15
5.3. General functions
1） function conversion
Foreachpressofthebutton,cycleswitchinthedisplay
stateof"speeddisplay",totalmileage"ODO",singlemileage
"TRIP"andaveragespeed"AVG",andthestartupdefaultis
"speed".
2） speed display
Thespeedisdisplayedonthestartupinterfacewithamaximumspeed
of99.9Km/h
3） total mileage display ODO
Thefour‐digitmileageshowsthehighestmileageof9999Km

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 7/15
4） single TRIP
Thefour‐digitmileageshowsthehighestmileageof9999Km
Afterpressingthebuttonfor2seconds,thesinglemileageisreset
0000Kmdigitaldisplay
显示 Tripa
5） average speed shows AVG
Displaytheaveragespeedintheprocessofsinglemileage,andthe
maximumspeedis99.9Km/h
6） display of battery power
Thereare5statesofbatterypowerdisplay,describedas
follows:

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 8/15
1‐‐‐Fullcharge100%
2‐‐‐About75%fullcharge
3‐‐‐About50%fullcharge
4‐‐‐About25%fullcharge
5‐‐‐Thelightblinkedandthebatteryshouldbe
charged
Note:theabovebatterylevelisdeterminedfor
theuser'sunderstanding.Theactual
batteryleveldependsonthedata
providedbythebatteryfactory.The
batteryleveldisplayfunctionofthismeteristodisplaythebattery
data.
7） headlight control and display
Headlightswitchmultiplexingkey :
Pressthebuttontoturnonthe  light.
Pressthe buttonagaintoturnoffthe light.
8） 6Km/h boost function
Boostbuttonandkeymultiplexing.Whenthebuttonispressed
for3seconds,themotorstarts,releasethebuttonandthemotor
stops.
9） Torque value display function
Atthesametime,pressthekeyandthekey  for10seconds,
andthencontinuetopressthekey untilthedigitaldisplayonthe
farleftofthedisplaypanelshows7andflashes.Thevaluedisplayed
bythe3‐digitdigitaldisplayontherightsideisthetorquevalue,as
showninthefigurebelow:

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Description:torquevaluedisplayrangeis0‐255,thecorresponding
voltageis0‐5v,inthecaseofignoringthepedal,display,50‐120
meansthatthetorqueisnormal.
5.4. Set the function
1） Enter the setting interface
Press and buttonfor3secondsatthesametime,themeter
willenterthesettingstate,andthencontinuouslypressthe
button,untilthedigitalflashonthefarleftofthedisplaypanel
(showningray),anddisplay1,pressagain,thevaluebecomes2,and
soon,3,4,5,6,backtothemaininterface,thesettingprocessis
over.Inthisprocess,thecorrespondingparametersaresetfor
differentNumbers.

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 10/15
ThesettingfunctionsofNumbers1‐6areasfollows:
1‐‐‐Wheeldiametersetting
2‐‐‐Maximumspeedsetting
3‐‐‐BoostfunctionSettings
4‐‐‐Unitselection
5‐‐‐Speedsensormagneticsteelnumbersetting
6‐‐‐Theversionnumber
2） Wheel diameter setting
Underthisinterface:
Pressthe key,wheeldiametervalueincreases,pressthe
key,wheeldiametervaluedecreases,wheeldiametersettingrange

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 11/15
is5‐‐35inches,26inchesbydefault.
3） Maximum speed setting
Underthisinterface:
Pressthekey,themaximumspeedvalueincreases,pressthe
key,themaximumspeedvaluedecreases,thesettingrangeof
themaximumspeedvalueis10‐60km/h,thebootdefaultis25Km/h.
4） 6Km/h boost function setting
Underthisinterface,themiddletwocharactersdisplay6.0,
indicating6Km/h:
Pressor key,canchangetherightcharacterstate,only0
and1twostates,0meansnoboostfunction,1meansboost

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functioniseffective,thebootdefaultis0.
5） Unit selection
Underthisinterface,alsoflicker:
Pressor keytochangethecharacterstateontheright
side.Thereareonlytwostates,0and1.0meanstheunitisKm/h,1
meanstheunitismile/h(notshownontheunitpanel).
6） Speed sensor magnetic steel number setting
Underthisinterface:
Pressthekeytoincreasethenumberofmagneticsteel,press
thekeytoreducethenumberofmagneticsteel,thesetting

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 13/15
rangeis1‐15,thebootdefaultis1.
7） Software version
Therightcharacterdisplaysthesoftwareversionnumber,suchas
version1.0.
6.WIRELESS BLUETOOTH FUNCTION (OPTIONAL)
Turnonthebluetoothfunctionofthemobilephone,youcan
automaticallyconnectwiththemeterwirelessly.Oncethe
connectionissuccessful,thebluetoothlogowillbedisplayedonthe
instrumentpanel.Theusercanusethemobilephonetocontrolthe
meterandthevehicle(butthe6Km/hboostfunctionisinvalid),and
candisplaymoreinformationofmotors,batteries,sensorsandsoon.
Fordetailedoperationmethods,pleaserefertothebluetoothAPP
instructionmanual
7.TROUBLE CODE DISPLAY
Whenthevehiclecontrollersystemfails,thecurrentfailurecodewill
bedisplayedontheinstrumentpanel,asshowninthefigurebelow:

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 14/15
Thefaultcodeisissuedbythecontroller,andaccordingtothe
differentdefinitionofthecontroller,thecodedisplayedbythe
instrumentisalsodifferent.Thefollowingtableisthetypicalfault
displaycodewhenmatchingtheTSmiddlemotor:
VLCD7displayfaultcodetable(withTSmiddlemotor)
faultcodecauseoffaultFaultdescription
ERROR‐01Temperatureprotection
ERROR‐02Shortcircuitprotection
ERROR‐03Controllerfailure
ERROR‐04Turnthefault
ERROR‐05Brakehandleprotection
ERROR‐06torquesensorfailure
ERROR‐07Locked‐rotorprotection
ERROR‐08Undervoltage
ERROR‐09overvoltage
ERROR‐10Halloffailure
ERROR‐11Communicationfailures
ERROR‐12Controller5VorADCfailure
ERROR‐13Drivingpowerfailure(12V)
ERROR‐14Drivecircuitfault

TONGSHENG POWERTRAIN TECHNOLOGY CO.,LTD 15/15
ERROR‐15BMSfault
ERROR‐16Powerbuttonfailure
ERROR‐176kmkeyfailure
ERROR‐18Thereserved
ERROR‐19Thereserved
ERROR‐20flash
ERROR‐21ram
ERROR‐22clock
ERROR‐23irq
ERROR‐24reg
ERROR‐25startselftset
ERROR‐26mcu 
ERROR‐27mcu 
ERROR‐28Thereserved
ERROR‐29Thereserved
ERROR‐30Thereserved
ERROR‐31Thereserved
ERROR‐32Thereserved
ERROR‐33Thereserved
ERROR‐34Thereserved
ERROR‐35Thereserved
ERROR‐36Thereserved
