BBControlWave串口ModbusRTU通信教程

1、串口ModbusRTU教程材料:RS232串口线，RTU的COM1和COM2接法如下:Usethenullmodem'cableforftJl-duplexPPPprotoeoilconummicationswhenconnectingaControlAVavctoaPC.(SeetoppanofFigure2-12.)l飞othehalf-duplexcable(shownttithebottompartofFigure2-12)when亡Minectin空thetbutioLWvetoanotherContr6lV,nvo勺之门sunit(again,wirhrheexceprio

2、noftheCW_103035units).CW9-Pin Female b*D" Connector11O1&F2 Pln-5CW or PC 9-Pin Female HD" ConnectorB = CT1-QT0P3 wn-1 -ctop2 pn-3 OT&PSPIM <iTUPS on-7,U Vice J versaCW 9-Pin Female ,*D" CcHinectorFull-duplex(Null Modern)Cable(PPP Protocol)P/N 392641-01-3CW 9-Pfin Female lhD

3、，P ConnectorFigure 2-12, Full-dttpley and Half-duplex CableHalf *duplexCable(for CW)COM3RS485脚针图解2, 7接232转485转换器的快速接头T/R-3, 5接232转485转换器的快速接头T/R+2-JO.RS-485COXT3PortfRJ-45)ConnectorTVhRS-485PinSignalRS-485De-scription12HXL3+ReceiveOntn-+Inputinstallation227ConirQlWavo)RS-485PinSignalRSY85Description

4、3 RXDReceiveData-Input5 TXD-TmnsmrtDtitaOutput67 TXD*TransmitData-*-Output8 ISOGNDIsqLHWGroundCOM4RS485脚针图解2,3接232转485转换器的快速接头T/R-4、6接232转485转换器的快速接头T/R+Table2-11.RS-485COM4PortDB9iC&HH&ctorPinAssignnienrPinRS-405SignalRS-4B6Description12RXD-ReceiveDatti-Input3TXD-IransmitDato-Output4TXD+Tra

5、nsmitData+Output5ISOGNDIsolatedGround6RXD+ReceiveData*Input79OliverDocumentsPicturesMusicComputerControl PanelDevoes and PrintersDefault ProgramsHelp and SupportStiut down >.配置ControlWave1 .打开LocalViewFLASHProgrammingTookGamesGoogleChromeIntelMahtenancMicrosoftOffice2033MOXAUPort1100SEh«Wmda

6、wsDriverOpenBSlTools口LocaiViu啊3N色也lewTechiew工ViewOpenBSIManualsonCDACCOLToolstCalibrationaConfigijrati&HCollectionProgramsConwnoriTods.CantrolWaveTools_DebuggingToolsObjectServerWebPageAccessJiWebToolKitBackSearcfiprogramsardfiles2 .新建配置文件LocalView-UntitledFileViS'/vModeHelpNewCti+NOpen.4.Ct

7、rl+OPrintCVI+PPrintPreviewPrintSetup.I尸；甲:匚|已壮山。匚口1一匚剂2 Configijr&_B63 11koM14 F:'ferj&rt'onfiflure.CWExit点击Create选择本机与ControlWave相连的串口号，这里选择COM6波特率选择9600（可以自定义）选才RRTU类型，这里选择ControlWave,然后点击Finish自动弹出对话框（如下），这里选择LoadFromDevice从设备上传配置文件FlashConfiguration-Londin。OptionsSelectwheieflash

8、configurationpumeterswilbebadedfraT：GLoadfromdeviceLfldfrornFCPfileLoadfrpmNetworkLJefriiSonRfe''LoaddefaultsbasedonRTUtype'DonotstiowthisdialogboxaQamOKUsername:SYSTEMPassword666666COM4参数设置如下：9600N81点击右侧，WriteToRTU,下载至URTU1.打开ControlWaveDesigner,新建工程尊ISutrolWaveDesigner-MODBUS_DLMOEditV

9、iewProtectSuildOnlineExtras2.选择ControlWave，点击OK新建功能块，如图Name：xxx点击OK双击打开，Modbus_MasterWorksheet*ProjectTreeWindowEProject'F-PerjectModbus_RIU_Master白，士/Libraries建PROCOMOSj峨ACCODj,_DataTypesELogicalFOUs回回COM_4j.jCOW_4T20hff_4r®1COM/白回Mocbus_Master-3Madbusfaster?i-=eModbus.MasferV鼠一口Modbus-Mas

10、ter-I4-.Dhy；i2.alMia.vi'e臼,翻ConinolWave:IPC_4O=制RTU_RESOURCE；CQrtrdW.1+1嗨Tasks布GlobBl_Variablea-tilIO_Configuration将右侧CUSTOM功能块拖入Worksheet：EditWizard单Group:目PpUi3ndFBae m a NCUSTOM点击OK,Name:可以按习惯修改右击查看帮助有详细说明，这里简单说明。CUSTOMi o ab I ni tdiStatusmbidi RepeatudDoneCounti i WodeobDoneFlagi iCust口ml 1

11、sti iComPortiiSlaveAddressi diTi m 已口 uti siPAddressInit 值为? Repeat率相同。? MODETRUE时，初始化模块定义模块发送请求信息的最小等待时间（毫秒）,通常与任务的执行速Gould Modbus : 4 代表 Modbus Master Mode7 代表 Modbus Slave Mode51 代表 Open Modbus Slave Mode53 代表 Open Modbus Master ModeEnron Modbus : 8 代表 Modbus Slave. 52 Open Modbus Slave? CustomLI

12、ST? COMPORT定义端口模块需要使用信号的列表1PortA口V-PortB3PortC4PortDSlaveAddressTimeout13-Eth3从设备地址等待从设备相应时间14Eth215-Eth1（毫秒）? IPAddress? STATUS? DoneCount? DoneFlagspecifies the Open Modbus slave RTU's IP address模块执行后状态，0为正常，其他参考帮助文档indicate completion the amount of a communication requestParameter is set Off

13、when the communication request is initiated and Onwhen the communication request is complete.双击蓝色小圈，变量属性，类型默认INT,选择使用 VAR_INPUT输入变量），点击 OK&Lc<ikTn：lLOblrji l xlfl odeiiCanFortj.iSl i'Jeid'.Lre5sIdlTimejilLIcIPAddrtLL：OETORTm双击绿色小圆圈，设置 odiStatus为VAR_OUTPUT输出变量CUSTOM 1CUSTOMBlocklnitioa

14、blnitdi St at us 一RepeatTimeMODEidi RepeatliMadeudDoneCountobDoneFlasHo同样建立其他参数BlocMnit-CUSTOMioabLnitndiStalLisRei,estTLne1diRepeato-jdDDreC3uritnofEiiModeobDcne51agTiiCustomlintC-mPort'ib-oiTort5】avcA-ddrcsiwlavcAddressAidiT：n)eoulisTPAddressJrrisTnnjDcineFlagSisile在右侧功能块中，选择LIST020,拖入工作区(Work

15、sheet),点击OK双击ListNumberLIST0201diati_is1aiiyElciLieiit1ianyElement31ailiyEltslLiesKt41auiyEleiLicsiit5ListNumber与iiCustomlist数字一致L1ST0ZU、IHRMiaablnHudjStatusidiRepfaioudDoneCoLmi.iHt>deQbDonuFLngiiCustcinlistiiCpmPartiiSLaYrAd'±reEsBlock7niiRepeat!Lme1ConPortLav=Ad<irbesStatus1Lt*t+ti

16、iLiistNuraberqdiStatusianjKlianyElearnt2ianytlensntlanyElencntianyEltDm:5vrrmrBlocklnLtiostlnitdiStatueStaffsKepeaTTimsidiK&patcudDorjieCciijritfiitrirfcobOanW】邱'_DaneFliCJiiCuFtDEl1stiiCcoifuriStw:Ad/-5=11S1mFcAdre-ssIdiTi绮ntAisIFAdiiress1£iLixt'GuEbnaiiCt皿业FUNCTION-janTElmentST项TA

17、HRHS.1arjyE)tiKnt2M1T=fiari/ElenoLtSTOLiatiah/Eldlirtit44ianvElEJiKTitSDaieSizejBitOrdex,ifirr.i.iemenT6i叫闽Eiwmt?B.teCHXi-iarMtleroeiugWorrdsi-innyEltgugBTCfTC力4twXL.Ja._L一qRL口产DElny_NcidciDnyElCTrnTllLbmZU_L-IT彳ByteOrderc初始值设置1新建程序，COM4=jPtTojed:F:FalectXNodbtJS_RTU_Slave_D排二Libraries鲍FRCCQM。宁-些ACC

18、OLrDataT/pesLogicalPT|ModtIn5ert,"P'ffl卜&PasteCtd+YExpandAllEDefault-FrysicaH耳函Conrtrf*1Prog-am&FunctitxnFunctionBlockPODgroi<jSaveAsNehwrfcTemplateaihDefinePlaceholdersProperties.点击OK,Name：可以按自己习惯来新建Task,日-ProjectiF:.PeqeatModbus_RTU_Slave_D13.Librariesii“嗯PROCUNOS*j；唾AX0L3*EXat

19、aTypes-LogicalPOUs:点回COMJ*:JCOMJT!IB8M_4/|C0M_4*Hi-fiModtxjs_Slave*:2Modbus_SlavftTModbus_Slav*V*ModbusSlaue*日""PhysicalHandware*白管ControlWavt:IPC_dCT白RTU_RESOURCE.ContfolWaTasl：Gbb,Insert工"HQ-C玲PasteCfrlWExpandAlSaveAsNetA.'tirkTenriplBteDefinePlaceholders选择周期性的，CYCLIC点击OK新建实例F_.

20、FtiyscalHardware"自住ControlWave:IPC_4(rIdMRTU.RESOURCE;ControlWa-TaskgDemo,：里Glabal_VBriiJlO_CanfigLirInseft.Delate市口Jt=1PasteExpandAJISaveA.SNetworkTempJateDefriePlacehoiderGDeleteCVI+XCtrl-Kjlobd/ai,.G0hl_4：C.|POLlfJJoiPrograminstanceDesorptionworksheetTask京PropertM,WSetting”点击工具栏,MAKE编译,在右侧功能

21、块中，选择刚才做好的功能块Modbus_Master,拖入COM_4工作区按下图设置，参考帮助MODE:4（ModbusRTU主）ComPort:4（串口COM4）SlaveAddress：1（从设备地址1）FUNCTION3（MODBUS功能码3,读写HoldingRegister,4XXXX地址）StartAddress：99（起始地址40099）NUMBER:10（读取寄存器个数10）IOList（存放数组）：101（数字要与需要存放数组一致，按自己设置，这里设置为101）DataSize：3（16位INT型）99一10101Modbue_Haster_lJTodbusMasterMUL

22、ECamPortSlaveAddressFUNCTIONSTARTADDRESSNUMBERIOListSlatusDoneFlae(LIST02010111ListNuimberodiotatus-voooianyElement1vooiianyElement2V002ianyEleinentSV003ianyElement4V004ianyElementSV005一ianyElementSVUU6ianyfSleinent7V0Q7-ianyElement8V00S一ianyEleroent9V009ianyEleroent10LIST0201右击，选择Settings.iXLiataly

23、pesQ.LogicalPOUs-1COM_4ilCOF<4TQCDNJV需8M_dModbus_Master.jModbug_MasterTjjMQdbus_Maffter''Modbus_Master三jPhysicalHardware-前ContrplW3v;IPC_0ERTLRESOURCE.CcrW用由层Taska:GfcMLVari占bles_JIO_Srfigu同所In&erL.,delete93I口dbNODECoinPortSlaveAddFUliCTIONSTARTAI©Mmr'D'F'DDelete.“母Cu

24、tCopyPasteCM+XCtrl4Ctrl+VExpandAllSaveAsNetworkTemplateDefinePteahaldetsExdudeCreateGlobalvariablesfromExternalsUpdateExternalVariablesfromMPropertiesControlT&v&:RTUftESOIfECE选择DLLTCP/IP192.168.3.140之前配置以太网口1地址点击Saveasxxx,点击Save编译后，下载ControllN-aveDesigner-f1odbu5_RTll_Maffter_DENO-COM_Qnlrie|Extras?：。FiltEditViewProflBuidProjectCcntrd.柿区Q回WBebugFtO：ProjectTreeWindowFpjact:F;PefjectModbus_l白.LibrariesL®PRC8H