eWBM eLR100-UL-00 User manual

eLR100-UL-00 Manual
FCCID:2ARG9‐ELR100
IC:2891‐ELR100
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eWBMLoRaModule
eLR100‐UL‐00
PoweredbyMS500
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eLR100-UL-00 Manual for Consumer Products, Rev. 0.2, 02/2020 2 | 24
CONTETNS
Contetns..............................................................................................................................................................................................2
1. Introduction............................................................................................................................................................................3
1.1. Features..............................................................................................................................................................................3
1.2. BlockDiagram.....................................................................................................................................................................4
2. FunctionalDescription............................................................................................................................................................5
2.1. PartDescription..................................................................................................................................................................5
2.2. Power..................................................................................................................................................................................6
2.3. Reset...................................................................................................................................................................................7
2.4. ArduinoTypeHeaderGroveconnector..............................................................................................................................8
3. Application............................................................................................................................................................................10
3.1. FirmwareUpload..............................................................................................................................................................10
3.2. ArduinoExample...............................................................................................................................................................12
3.3. LORABehaviorExample(LoRaCommunication.ino).........................................................................................................14
4. HostDeviceApplication........................................................................................................................................................15
4.1. Circuit................................................................................................................................................................................15
4.2. ModuleMechanicalDimension........................................................................................................................................16
4.3. antenna.............................................................................................................................................................................17
Document Revision and Reference..............................................................................................................................................21
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eLR100-UL-00 Manual for Consumer Products, Rev. 0.2, 02/2020 3 | 24
1.  INTRODUCTION
eLR100‐AD‐SUisaDeveloper'sKitdesignedfordeveloperstodevelopIoT‐relateddevicesusingLoRacommunication.
TheKitcontaineLR100‐AD‐SULoRamodulefromtheeWBM.
TheeLR100‐AD‐SUcanbecontrolledbyAT‐CommandviatheUARTinterfaceandalsohasconnectorsforuseby
connectingtotheArduinoboardandShieldType.
1.1. FEATURES
 eLR100‐UL‐00Moduleinclude 
 eWBMultralowpoweradvancedsecurityMCUMS500
- CortexM0
- HardwareSecuritysystem.
 SemtechSX1276radiotransceiversupportingLoRa.
- Highsensitivitydownto‐135.5dBm
- 902.3MHzto914.9MHz(125kHz)
-  903.0MHzto914.2MHz(500kHz)
- Max14dBMOutputPower
- LoRaAllianceCertified
 UARTCommunicationInterface
- AT‐CommandsetsupportforLoRaWAN
 SMAconnector
 Compatiblewith3.3V/5VI/OArduinoTypeHostBoard
 5VI/O
 ArduinoConnectors
 GroveConnectors
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1.2. BLOCKDIAGRAM
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Figure1.HardwareBlockDiagram
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Figure2.PowerSupply
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Confidential

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2. FUNCTIONALDESCRIPTION
2.1.  PARTDESCRIPTION
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Figure3.eLR100‐AD‐SUParts
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Figure4.eLR100‐AD‐SUArduino&GroveHeader

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eLR100-UL-00 Manual for Consumer Products, Rev. 0.2, 02/2020 6 | 24
2.2. POWER
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Figure5.InputPower,PowerLED
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2.2.1.  InputPower
InputsfromthepowersourceenterpowerthroughPin5and6intheArduinoHeadpinInterface(JA1).Pin2(IREF)
requirestheLevelShift(U3)tobesuppliedasapinforV5power.
2.2.2.  PowerLED(LED1)
LED1illuminateswhenanexternalpowersupplyof5Visappliedand3.3Visoutputnormallyviaacircuitonthe
board.
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2.3.  RESET
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Figure6.ResetHeader,Switch
2.3.1. LoRaModule(eLR100‐UL‐00)Reset(SW1)
Thereare3waystoresettheLoRamodule(eLR100‐UL‐00).RressSW1,applyingaresetsignal(LowActive)
throughtheSocketHeader(D7),orSendingsoftwareResetviaAT‐CommandviaUART.
HardwareReset
LoRaModule(eLR100‐UL‐00)ResetI/Oisavailableforboth3.3V/5V.
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SoftwareReset
UARTenablesresetbyenteringAT+Command'AT+RESET'.
Formoreinformation,pleaserefertotheseparateATCOMMAND_Manualtechnicaldetails.

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2.4.  ARDUINOTYPEHEADERGROVECONNECTOR
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Figure7.ArduinoTypeHeaderDescription
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2.4.1.  D2,D3:UART(out/in)
 HeadercommunicatingwithArduino(UNO).
 AT‐COMMAND,Debug,FirmwareUpdateareallpossble.
 5VI/O.
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2.4.2. D4:State(Out)
 HeaderpintocheckthestatusofLoRaModule(eLR100‐UL‐00).
- NormalMode:HIGH
- SleepMode:LOW

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eLR100-UL-00 Manual for Consumer Products, Rev. 0.2, 02/2020 9 | 24
- 5VI/O.
 ConnectwithLED2tochecksignalstatus. 
- NormalMode:ON
- SleepMode:OFF
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2.4.3.  D7:LoRaReset(IN)
 ConnectedtotheResetoftheLoRaModule(eLR100‐UL‐00). 
 ThePNPTRisconnectedinsidetheeLR100‐AD‐SU,whichallowscontrolofall3.3V/5V.
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2.4.4. GroveConnector
 TheA0,A1D8,D9SCL,andSDAsignallinesarenotconnectedtotheLoRaModule(eLR100‐UL‐00)
butdirectlytotheGroveConnectorintheArduinoHeader.
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3. APPLICATION
3.1. FIRMWAREUPLOAD
3.1.1.  BoardSetting 
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  Figure8.BootMode
1. JumperinBootModeHeader(J1)tosettheFirmwareUploadMode.
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Table1  JumperSetting
Mode JumperSetting Description
DefaultMode
(ROMBOOT)
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NormalOperationMode
FirmwareUploadMode
(UARTtoFlashBoot)
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 FirmwareUpdateMode
2. Connecta5VpowersupplytotheArduinoHeader.Connecta5VpowersupplytotheIOFFaswell.
3. ConnecttheUartcabletoD0,D1oftheArduinoHeader.
4. PressLoRaResetSwitch(SW1)toreset.

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5. PerformFirmwareUpload.
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3.1.2.  FirmwareUpdaterSetting&Upload
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Figure9.FirmwareSetting1
1. WiththeeLR100‐AD‐SUconnectedtoyourPC,clickScan.
2. SetCOMPorttotheporttowhichtheeLR100‐AD‐SUisconnected.
3. SelectQSPI..
4. Click...toselectthe.imgfiletoupload.
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Figure10.FirmwareSetting2
5. ClickConnect.
6. ClickUpload.
7. ChecktheUploadstatusthroughthegreenbar.
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Figure11.FirmwareSetting3
8. “FirmwareUploadSuccess!”Confirmthemessageandclickit.
 Afterupload,returntheBoardsettingstotheirdefaultvalues.

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3.2.  ARDUINOEXAMPLE
 ArduinoLibraryworksonlyonArduinoUNOs. 
ToinstalltheeWBMLoRaLibrary,downloadthefilesthatarebeingdistributed.
Pleaserefertoourhomepageforthefile.(http://www.e‐wbm.com/)
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3.2.1.  InstallingtheArduinoLibrary(Importing)
 RunArduinoIDE
- Fromthemenu,accessandselectSketch‐IncludeLibrary‐Add.ZIPLibrary.
- Selectadeployed.ZIPfile..
 Formoreinformation,seeLinkbelow.
https://www.arduino.cc/en/Guide/Libraries#toc4
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3.2.2.  RunningtheArduinoExample
 AfterrunningtheArduinoIDE,accessandselectTools‐ardBoard‐>ArduinoUNOorderfromthemenu.
 SelectFile‐>Extensions‐>eWBMLoRa‐>LoRa‐>LoRaCommunicationfromthemenuafterrunningthe
ArduinoIDE.
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3.2.3.  UploadtheProgram 
 ConnecttheUSBcable.
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Figure12.ArduinoPort
 FromtheArduinoIDEmenu,accessandselectTools‐>Board‐>ArduinoUNOorder.
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 FromtheArduinoIDEmenu,selectTools‐>Porttoselecttheportyouconnectedto.
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 Upload.
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3.3.  LORABEHAVIOREXAMPLE(LORACOMMUNICATION.INO)
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Figure13.UARTPadDescription
 LoRaModuleCommunication:ArduinoSoftwareUARTPort(D2,D3)
- Baudrate:38400
- Databit:8bit
- Stopbit:1bit
- Paritybit:None
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 LoRaCommunication.inoexampleIfyouappearintheConsoleasshownbelowduringtheinitialrun,it
isnormal. 
LoRaNetworkStart
LoRaModuleVersion:1.1.15‐e07713e‐Darthvader
LoRaDeviceEUI:02:02:02:02:02:02:02:02
SelectLoraMode:OTAA(1)orABP(2)?
Figure14.LoRaCommand
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 LoRamotionmodemustbeselectedandoperatedineitherOTAAorABPmode.. 
- Chooseaccordingtothepurposeandjoin
- LoRaWAN.FormoreinformationonLoRa,pleaserefertotheLoRaWANSpecificationdocument.

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3.3.1.  LoRaPreferences
 RefertotheAT‐COMMANDcommandmanualfordetailedsettings.
 IfthemoduledoesnotsucceedwithJoin,checkthecommunicationwiththeGatewayandcheckthe
NetworkServer.
 TheinitialClasssettingforthemoduleissettoClassA.

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4. HOSTDEVICEAPPLICATION
4.1. CIRCUIT
 VCC_3.3V,VDD_RFSVoltageRange:3.0Vto3.6V
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Figure14.ApplicationCircuit
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Confidential

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4.2. MODULEMECHANICALDIMENSION
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Figure15.ModuleMechanicalDimension
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4.3. ANTENNA
Pleaseperformtheantennadesignthatfollowedthespecificationsoftheantenna
Aboutthesignallinebetweenanantennaandamodule
Itisa50‐ohmlinedesign.(SMAReverse)
Finetuningofreturnlossetc.canbeperformedusingamatchingnetwork.
However,itisrequiredtocheck"Class1change"and"Class2change"
whichtheauthoritiesdefinethen.

Theconcretecontentsofacheckarethefollowingthreepoints.
1)Itisthesametypeastheantennatypeofantennaspecifications.
2)Anantennagainislowerthanagaingiveninantennaspecifications.
3)Theemissionlevelisnotgettingworse.

4.3.1. Antennagain
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Figure16.AntennaSpecification
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4.3.2. AntennaReferenceTraceDesign
RFtracesfromeLR100‐UL‐00modulepadspin47andJ2pin1totheantennamustbemadeusingmicro‐striptraces. 
Thismicro‐striptracemustrespectthedesignoftheGerberfileassociatedwiththefollowingfiguresinorderto
obtainauniformtransmissionlinewithacharacteristicimpedanceof50ohms.
Thereferencetracedesignisshownasthegreentracealongwiththesidecopperfilledwithviasontheleftside.
ofFigurewherecomponentsC6,C7arenotinstalled;theywereoptionsonthereferenceboardforfutureuses;
theseusesarenotFCCauthorizedyet.
Aspreliminaryinformationthetraceswidthofallsectionsareall0.5mmandthelengthof  eLR100‐UL‐00padtoJ2
connectorare6.2mm;  However,refertoassociatedGerberfilesformoredetailsondimensionsandreferto
EWBMIncformoredetailsontheGerberfiles.Table1showsthepartsusedinthereferencetracedesign.
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Figure17.AntennaReferenceTraceDesign
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PartNumber Reference Description Manufacture
LQP03TN10NH02D R10 10nH,3% Murata
SMA‐4R‐PCB(1.8T) J2 SMA,SubminiatureCoaxial
Connector50ohm Sungjin
N/A C6,C7 NotInstalled N/A
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Table1.AntennaMicro‐stripTraceParts
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Contetns
eLR100-UL-00 Manual for Consumer Products, Rev. 0.2, 02/2020 19 | 24
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4.3.3 PCBStack‐UpandTrace
PCBStackupforthereferenceboard:
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Figure18.PCBStack‐Up
Belowfigure18showstheToplayerroutingofthecompletereferenceboard.
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Contetns
eLR100-UL-00 Manual for Consumer Products, Rev. 0.2, 02/2020 20 | 24
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Figure19.PCBTrace
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4.3.4 TestProcedureforensuringcompliance
Thebelowtestistobeperformedbothatdesignverificationstageandinproductionforensuringcompliance.
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1.InitiateContinuousTransmissionintheappropriatemodulationmodefromthedevicei.e.,902.3MHz,908.7MHz,
914.9MHz;FHSSmodeand903MHz,907.8MHz,914.2MHz;DTSmode
2.VerifyRFpowerthroughconductedmeasurementatjunctionJ2
3.ThemeasuredTxpowershouldbewithinthedatasheetspecificationforTransmitoutputpower.
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