TopXGun M2 User manual

ShanghaiTopXGunRoboticsCo.,Ltd.
6thFloor,3rd.Building,EliteCity,No.57,AnDemenStreet,YuhuaDistrict,Nanjing,China,210012
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M2MultirotorFlightController
UserManualV1.1
UsingFirmwareV2.0&AssistantSoftwareV2.0
Revisiondate2018.04
ShanghaiTopXGunRoboticsCo.,Ltd.
www.TopXGun.com

ShanghaiTopXGunRoboticsCo.,Ltd.
6thFloor,3rd.Building,EliteCity,No.57,AnDemenStreet,YuhuaDistrict,Nanjing,China,210012
TEL:[phone]
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Whatyouneedtoknowbeforeusing?
Pleasestrictlyfollowtherequirementsofthismanualtoinstallandusethisproduct.
TheTopXGunroboticsofficialwebsite(www.TopXGun.com)hasaspecialpage
aboutM2.Youcanlogintothewebforthelatestproductinformation,technical
supportandusermanuals.Itisrecommendedthatyoushoulddownloadandusethe
latestversionoftheusermanual.Ifthismanualisupdated,nofurthernotice.
Youcanalsoobtainproductusageinformationortechnicalsupportthroughthe
officialcustomerservicephone,WeChatclient,andWeiboclient.Wearededicatedto
serveyou.Duetodifferentproductionbatches,theappearanceorfunctionparameters
areslightlydifferent.However,thesedonotaffectthenormaluseoftheproduct.
Beforeusingthisproduct,pleaseinstallthecorrespondingassistantsoftwaretoyour
computerormobiledevice.Thismanualneedstobeusedtogetherwiththe
correspondingassistantsoftware.Formoreinformation,pleaserefertothe
instructiontextontheassistantsoftware.Ifthereisinconsistencywiththeuser
manual,theassistantsoftwareshallprevail.
Disclaimer
Pleasereadtheinstructionscarefullybeforeusingthisproduct.Onceyoustartusing
thisproduct,youaredeemedtohaveacceptedandacceptedallthecontentsofthis
statement.Thisproductissuitableforpeople18yearsofageorolder.
Thisproductisaflightcontrolsystemformulti-rotoraircraft.Inthecaseofnormal
powersupplyandcorrectconnection,itcanprovideuserswithanexcellentflying
experience.Whenusingthisflightcontrolsystemtodebugparametersandperform
firmwareupgrades,westronglyrecommendthatyouremovethepropellerandensure
thatthepowersupplyisnormalandthatthecorrespondingfunctionalmodulewiring
iscorrect.Whenusingit,besuretokeepawayfrompeople,dangerousgoods,and
fragileitems.Incaseofdirectorindirectpersonalinjuryandpropertydamagecaused
bythefollowingreasonsduringuse,TopXGunwillnotbeliableforcompensation:
1.Theuserdidnotassembleanduseaccordingtotherequirementsofthismanual;
2.Theusermanipulatestheaircraftintheeventofpoorphysicalormentalconditions
suchasdrinking,druguse,fatigue,etc.;
3.Theuseractivelyorintentionallymanipulatestheaircrafttocreatedamage;
4.Theuserhasusedthenon-overheadedaccessoriestopersonallymodifythe
productandcausedtheaircrafttofailtoworkproperly;
5.Injurycausedbyusererrororsubjectivemisjudgment;
6.Thedamagecausedbytheaircraft'snaturalwear,circuitaging,etc.

ShanghaiTopXGunRoboticsCo.,Ltd.
6thFloor,3rd.Building,EliteCity,No.57,AnDemenStreet,YuhuaDistrict,Nanjing,China,210012
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7.Theuserisstillabletocontrolthedamagecausedbytheaircraft,whileheknows
thattheaircraftisinanabnormalstateofoperation;
8.Theuserstillcontrolstheflightoftheaircraftundersevereweatherconditions
suchastyphoon,hailandfog;
9.Usersflyinmagneticinterferenceareas,radiointerferenceareasandgovernment
no-flyzones;
10.Theuserisdrivingtheaircraftinasituationwherethevisibilityispoorandthe
lineofsightisblocked;
11.Usersusethisproducttocontroltheaircrafttoobtainanydata,imagedata,etc.
causedbyinfringement;
12.Otherlossesthatdonotfallwithinthescopeoftheextensionresponsibility.
Intellectualproperty
TheintellectualpropertyrightsofthisproductandmanualareownedbyShanghai
TopXGunRoboticsCo.,Ltd.Withoutwrittenpermission,noorganizationor
individualmaycopy,reproduceordistributeinanyform.Ifyouneedtoquote,you
mustindicatethesource,andyoumustnotmodify,deleteorcitethismanual.
Certification
ThisproducthaspassedFCC,CE,RoHScertification.
TableofContents
1Introduction1
1.1ProductIntroduction1
1.2Itemsinthebox2
1.3SymbolDescription3
2Installationandcommissioning4
2.1HardwareInstallation4
2.2AssistantSoftwareInstallationandCommissioning7
2.3UnlockingandLocking13
2.4ESCandCompassCalibration13
2.5HorizontalCalibration15
3Testflightinstructions16
3.1FlightModesandCorrespondingResponses16
3.2IndicatorDescriptions16
3.3InitialTestFlight18
4FunctionDescription19
4.1Uncontrolledreturn19
4.2Low-voltageprotection19
4.3DescriptionofAutomaticReturnHeight20

ShanghaiTopXGunRoboticsCo.,Ltd.
6thFloor,3rd.Building,EliteCity,No.57,AnDemenStreet,YuhuaDistrict,Nanjing,China,210012
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1Introduction
1.1ProductIntroduction
TopXGunM2standardmulti-rotorflightcontrollerusesdualIMUanddual
GPS/compassmodulesforhighreliability.Itismainlyappliedtopatrolling
applicationscenariossuchasaerialphotography,powerlineinspection,security,
policeuse,andtraffic.
ProductFeatures:
lStandarddualredundancyIMU,dualGPSorcompassmodule
lAutomotivegyro,highprecision,highreliability,-40~125fulltemperature
calibration,stronganti-vibrationperformance
lAutomotiveaccelerometer,highprecision,highreliability
lGPS/compassmoduleandLIUmodule,IP65protectionclass
lIndustrialgradereliability,surgeprotection,anti-staticlevel:8000V
lIndependentcontrolofflightcontrollercorecomponentstoensureflight
safety
lBlackboxfunction
l3~14Spowersupply,awiderrangeofuse
lDoubleAPIopen,serialport,CAN,buildingprivatefunctionmodule
lSupportingremotelandingfunction
lNewAssistantSoftware
1.2ListofItemsintheBox
M2Multi-rotorflightcontroller
NameAmountSchematicdiagram
FCUModules1
PMUModules1

ShanghaiTopXGunRoboticsCo.,Ltd.
6thFloor,3rd.Building,EliteCity,No.57,AnDemenStreet,YuhuaDistrict,Nanjing,China,210012
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LIUModules1
GPS/Compassmodule2
GPS/Compassmodule2
USBcable1
MicroUSBconversing
to4PINflatplugline1
Steeringline8
3Mdouble-sided
adhesive6
Certification1
Quickguide1
1.3SymbolDescription
Universalsymbols
Symb
olSignifican ceInstructions
NotesTextstartingwiththissignindicatespotentialrisks. Ignoringthesetextscanresultinequipmentdamage,
dataloss,orotherunpredictableconsequences.

ShanghaiTopXGunRoboticsCo.,Ltd.
6thFloor,3rd.Building,EliteCity,No.57,AnDemenStreet,YuhuaDistrict,Nanjing,China,210012
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Instructio
nsThetextstartingwiththissignistheadditionalinformationof thetext,whichemphasizesandsupplementsthetext.
LEDsymbol
SymbolInstructions
（N）Indicatingthatthelampofflashes"N"times.
{}（N）Indicatingthatthelampof“”flashes"N"times.
（∞）Indicatingthatthelampofcontinuestoflash.
（N）Indicatingthatthelampofstaysonfor"N"seconds.

ShanghaiTopXGunRoboticsCo.,Ltd.
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2InstallationandCommissioning
2.1Hardwareinstallation
Step1.Determinethemulti-rotortypeandheadorientationandinstallthemotorand
bladesasshowninFigure2-1.

ShanghaiTopXGunRoboticsCo.,Ltd.
6thFloor,3rd.Building,EliteCity,No.57,AnDemenStreet,YuhuaDistrict,Nanjing,China,210012
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Figure2-1Determiningthetypeofmulti-rotor
Step2:AccordingtoFigure2-2,installthemaincontrollerandconnecttheline
accordingtotherequirementsof“InstallationConnectionInstructions”.
Figure2-2Connectiondiagramofthemaincontrolcircuit
Installationconnectioninstructions
lFCU(mastercontroller)installation
Installationlocationrequirements
Wheninstalled,theM2markisprintedwiththesidefacingup,andthedirectionof
thearrowonthehousingremainsthesameasthatoftheaircrafthead.Inorderto
achievethebestflyingeffect,themaincontrollershouldbeinstalledatthecenterof
gravityofthecenterplateoftheaircraft.
Portconnectiondescription
TheFCUportsareshowninFigure2-3andTable2-1.

ShanghaiTopXGunRoboticsCo.,Ltd.
6thFloor,3rd.Building,EliteCity,No.57,AnDemenStreet,YuhuaDistrict,Nanjing,China,210012
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Figure2-3FCUPort
Table2-1FCUportconnectiondescription
No.Instructions
1FrontofFCU:Thissideisfacingupwheninstalled
2CAN1interface:connectthemainGMUandsubordinateGMU
3C1~C8:PWMreceiverinterface
C1:SBusandPPMReceiverInterfaces
4POWinterface:CAN1andpowersharinginterface
5FCUmountingarrow:pointinginthedirectionoftheheadduringinstallation
6COM1interface:digitalinterface
7COM2interface:OpenSDKAPIport
8CAN2interface:asanAPIportforextendingotherperipherals
9M1~M8：Electricaladjustment
interface
(IftheESCwithBECoutputisused,
themiddleBECpoweroutputline
mustbecutoff)
ConnectingGND
Connecting+5V
Connectingsignaloutput
lPMUmoduleinstallation
Donotinstallitonanyotherelectronicdevicetoensureventilationandheat
dissipation.EnsurethatthefourCANexpansionportsonthePMUareinstalledto
facilitatetheinsertionandremovaloftheconnectors.
ThefourCANexpansionportsonthePMUhavethesamedefinition.

ShanghaiTopXGunRoboticsCo.,Ltd.
6thFloor,3rd.Building,EliteCity,No.57,AnDemenStreet,YuhuaDistrict,Nanjing,China,210012
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lGPS/Compassmoduleinstallation
Duringinstallation,theTopXGunmarkisprintedwithitssidefacingup.Thearrow
oftheroundcasingisalignedwiththedirectionoftheFCUarrow.Itisalignedwith
thedirectionoftheaircraftheadandishorizontallymountedontheGPS/Compass
modulebracket.
ItisrecommendedtousetheGPS/Compassmoduleholderthatcomeswiththe
package.Ifusinganotherstand,makesureitisnotmagnetic.
1,M2flightcontrollersetincludestwoGPS/compassmodule.When
installing,connecttwoGPS/CompassmodulestothetwoCAN1portsof
theFCU.
2.Thismodulehasabuilt-inmagneticcompass.Formagnetically
sensitivedevices,becarefultokeepawayfrommotors,ESCs,power
batteries,andpowercordsduringinstallationanduse.
lLIUmoduleinstallation
InstalltheLIUmoduleinaneasy-to-observeposition,suchastherearoftheaircraft,
withoutobstructingtheUSBport.Andusetheattached3Mgluetoconnectittoany
CANexpansionportonthePMU.
2.2Assistantsoftwareinstallationanddebugging
Preparationbeforeinstallationandcommissioning
TheM2flightcontrollersupportsPCtuning.
IfyouuseaPCfortuning,youneedtomeetthefollowingconditions:
lThePCsystemisWindowsXP/7/8/10
lPCisconnectedtotheInternet
lDownloadandinstallthelatestdriverandassistantsoftware
Installationandcommissioningsteps
ThefollowingusesthePC-sideassistantsoftwareasanexampletoexplainthe
parametersettingprocedurebeforetestflight.Fordetailedsettingmethods,referto
thedescriptionoftheassistantsoftwareembedded.
Forsafetyreasons,iftheaircraftisequippedwithapropeller,removethe
propellerbeforecommissioning.
lStep1:Givetheflightcontrollerpower.
lStep2:Usetheproduct'sownUSBcabletoconnecttheflightcontrollerandPC.

ShanghaiTopXGunRoboticsCo.,Ltd.
6thFloor,3rd.Building,EliteCity,No.57,AnDemenStreet,YuhuaDistrict,Nanjing,China,210012
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ThePCwillautomaticallydetecttheflightcontrollerandconnectit.
lStep3:Selectthemodelsettingcorrespondingtotheaircraft,asshowninFigure
2-4.
Figure2-4Modelselection
1)Thegreenrotorindicatesthatitrotatescounterclockwisewhenviewedfrom
above.
2)Thebluerotorindicatesthatitrotatesclockwisewhenlookingfromabove.
3)Forupperandlowercoaxialrotors,greenindicatestheupperrotorandblue
indicatesthelowerrotor.
4)Thebottombluearrowindicatesthedirectionoftheaircraftnose.
Step4.Settheremotecontrollerinputmethodandcalibrateit,asshowninFigure2-5
andFigure2-6.
1.Selectthereceivertype.
2.Createanewfixed-wingormulti-rotormodelontheremotecontrollerandset5
channelsasa3-stageswitch.The6-channelisa3-stageswitch,the7-channelisa
2-stageor3-stageswitch,andthe8-channelisa2-stageor3-stageswitch.
3.Click“startcalibration”andturntheremotecontroller1-4channeljoystickand

ShanghaiTopXGunRoboticsCo.,Ltd.
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5-8channelswitchtothemaximumlimitpositionandminimumlimitpositionof
eachchannelseveraltimes,thenclick“CompleteCalibration”.
Unlockingisonlypossibleiftheremotecontrollerisproperlycalibrated.
Pleasecheckwhethertheforwardandreversedirectionsofeachchannelare
correct:
lTheailerongoesright,rollingtheslidertotheright
lTheruddergoesright,yawslidergoesright
lTheelevatorgoesdownandthepitchslidergoesright
lThrottlelevergoesup,throttleslidergoesright
Ifthedirectionsarenotconsistent,click"REV"tosetthereversedirection.
4.Switch5~8channelswitches.Checkwhetherthestoppositioncorrespondstothe
controlmodeonebyoneandwhetherthereturnflightmapisnormal.
IfthereceiverisnotanSBusreceiver,theremotecontrollermustbesetto
runawayprotection.Whenthesettingissuccessful,iftheremotecontrolleris
turnedoff,1~4channelsmaintaintheneutralpointposition.5channelsjump
tothered"runaway"area,noneedtosetotherchannels.Pleaserefertothe
remotecontrollermanualforspecificoperation.
Figure2-5RemoteControlSettings

ShanghaiTopXGunRoboticsCo.,Ltd.
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Figure2-6RemoteControllerCalibration
Step5.Setthesensitivity,asshowninFigure2-7.
Itisforbiddentoadjustthesensitivityduringtheflight.Itis
recommendedtoadjusttheunlockedstate.
1.Selecttheclosestwheelbasetotherack.TheM2flightcontrollerusesthedefault
sensitivitytogetabetterflightstatus.
2.Accordingtotheassistantsoftware'sinstructions,combinetheaircraft'sownstate
tofine-tunethesensitivity.

ShanghaiTopXGunRoboticsCo.,Ltd.
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Figure2-7Operationalsensitivityadjustment
Step6:Setvoltageprotection,asshowninFigure2-8.
1.Useamultimetertomeasuretheactualvoltagevalue.
2.Iftheactualvoltagevaluedoesnotmatchthemainmeasurementvalue,enterthe
actualvoltagevalueintheboxandclickthe“Calibration”buttontocalibrate.
3.Setvoltageprotection.
Ifyoudonotneedtheflightcontrollertoperformthelowvoltageprotection
action,youcanturnitoff.Atthistime,theflightcontrollerwillonlyflashthealarm
whenthevoltageislow.Theyellowlightflashesforonelevelofprotection,andthe
redlightflashesfortwolevelsofprotection.
Ifyoustartthelow-voltageprotectionaction,youcanfurthersetthe"first-class
protection"to"landing"or"return."Ifthesettingis"returnflight",automaticreturn
tripisperformedwhentheprimaryprotectionistriggered.Ifthesettingis"landing,"
anin-placelandingisperformedwhentheprimaryprotectiontriggers.Whenthe
secondaryprotectiontriggers,thein-placelandingwillbeperformedautomatically
Whentheremotecontrollerisoutofcontrolafterthelow-pressure
protectionisturnedon:if"primaryprotection"issettobe"returntobase",
theaircraftwillautomaticallyreturn;ifitissettobe"landing",itwill
performtolandinplace.

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Whetheritautomaticallyreturntobaseorlandinplace,youcould
terminatelow-pressureprotectionatanytimebytoggling5-channelmode
switchbackandforth.(Forthesecurityreasons,itisstronglyrecommended
thattheappropriatelowvoltagevalueissettoensuretheenoughbatteries
forthereturnoftheaircraft.Ifthevoltageistoolowandtheaircraftisshort
ofpower,itwillcausetheseriousconsequencessuchasacrash.
Fig.2-8voltageprotectionsetting
Step7.Setupthemotor,asshowninthefig.2-9

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Fig.2-9Motorrelatedsetting

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Step8hardwareself-testsetting,asshowninthefig.2-10.
Fig2-10hardwareself-testsetting
2.3Unlockandlock
ThereisonlyonewaytounlockM2flightcontroller.WhetheryouareJapaneseoran
American,youmustperformtounlockitasshowninthefig.2-11andlockitas
showninthefig.2-12.
Thethrottleoftheaircraftstaysatitslowestlevelforatleast3secondsafterlanding
andtheaircraftperformstolockautomatically.
AfterM2flightcontrollercalibrationadjustmentisfinished,themotorwillrotatein
propersequencewhenitisunlocked.
WhentheNo.1motorstartsrunning,youjustpushtheacceleratorandall
themotorswillstartrunningatthesametime.
TheelectricspeedcontrolleridleofDJIseriesishigher,whenusingthe

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fig.2-11Unlock
fig.2-12Lock
2.4Electricspeedcontrollerandcompasscalibration
Theelectricspeedcontrollerandcompasscouldbecalibratedbyswitching
combinationof5-channelswitchesontheremotecontroller.
Electricspeedcontrollercalibration
Theaircraftpropellershouldberemovedbeforecalibration.
TheoperatingstepsforElectricspeedcontrollerareasfollows:
Step1.PushthrottletothehighestlevelAtthistime,statusindicatorindicatescurrent
statusGPS/Compassmoduleandflightmode.
Step2.Switch5-channelswitchesbackandforthatlowestlevelandhighestlevel
about6to10timesuntilredlightonstatusindicatorison.
Step3.Keepthethrottlepositioninplace,disconnectgeneralsupplyandthenpower
onagain.
recommendedidlingspeedtounlock,therewillbephenomenonofno
idlingspeedformotor,whichcanbesolvedwhenitisadjustedfrom
motoridleinterfacetohighidleinterface.

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Ifthepowerandflightcontrollerarepoweredseparately,youneedtocut
offthepowerfirstbeforeapplyingthepowertotheelectricspeed
controllercalibrationagain,thendisconnecttheflightcontrolpowerand
finallyconnectthepowerafterpoweringtheflightcontrolleron.
Step4.Afterthepoweristurnedonabout0.5second,youwillhear“beap-beap”
frommotortwotimesandthenpullthethrottletothelowestlevelin2
seconds.Atthistime,thestateindicatorredlightsandbluelightsare
flickeringalternatelyandthengetintonormalindication.
Operationchartisshowninthefig.2-13.
Fig.2-13Electricspeedcontrollercalibration图2-13电调校准
AfterESCiscalibratedsuccessfully,themotorwillrotateinsequencewhenitis
unlocked,otherwiserecalibrationisrequired.BecauseDJIseriesESCidlespeedis
higher,whenyouapplytherecommendedidlespeedtounlockthemotor,therewill
bephenomenonwithoutidlingspeed
Compasscalibration
Operatingstepsofcompasscalibrationasfollowing:
Step1.Pushthrottletothelowestlevel
Step2.Switch5-channelbuttonbackandforthbetweenthelowestlevelandhighest
levelabout6-10timesuntiltheredlightandbluelightofthestateindicatorarein
longbrightness.
Step3.Forwardtheheadoftheflightandlayitonthehorizontalposition,then
slowlyrotateclockwiseatleastonefullturnuntilthegreenlightofthestate
indicatorsisonlongbrightness.

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Step4.Headdowntheflightandmakethefuselagetobevertical,thenslowlyrotate
clockwiseatleastonefullturnuntilthewhitelightofthestateindicatorsison
longbrightness.
TheOperationchartisshowninthefig.2-14
Fig.2-14compasscalibration
2.5HorizontalCalibration
Theoperationstepsofhorizontalcalibrationisasfollows:
Step1.Laytheflightonthehorizontalgroundinordertoensurethefuselagelevel
andviberation-free.
Step2.Performtheoutereightcharacterslockontheremotecontrollerandholdfor
morethan10secondsuntilthestatusindicatorstartsflashingalternatelywith
thebluegreenlight
Step3.Releasetheremotecontrollever.Afterabout10seconds,thestatusindicator
changestoabluelightsingleflicker,andafterabout15seconds,thestatusindicator
lightbecomesnormal.