BBControlWave串口ModbusRTU通信教程

1、串口ModbusRTU教程材料:RS232串口線，RTU的COM1和COM2接法如下:Usethenullmodem'cableforftJl-duplexPPPprotoeoilconummicationswhenconnectingaControlAVavctoaPC.(SeetoppanofFigure2-12.)l飛othehalf-duplexcable(shownttithebottompartofFigure2-12)when亡Minectin空thetbutioLWvetoanotherContr6lV,nvo勺之門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腳針圖解2, 7接232轉(zhuǎn)485轉(zhuǎn)換器的快速接頭T/R-3, 5接232轉(zhuǎn)485轉(zhuǎn)換器的快速接頭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腳針圖解2,3接232轉(zhuǎn)485轉(zhuǎn)換器的快速接頭T/R-4、6接232轉(zhuǎn)485轉(zhuǎn)換器的快速接頭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 .打開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|已壯山。匚口1一匚劑2 Configijr&_B63 11koM14 F:'ferj&rt'onfiflure.CWExit點(diǎn)擊Create選擇本機(jī)與ControlWave相連的串口號(hào)，這里選擇COM6波特率選擇9600（可以自定義）選才RRTU類型，這里選擇ControlWave,然后點(diǎn)擊Finish自動(dòng)彈出對話框（如下），這里選擇LoadFromDevice從設(shè)備上傳配置文件FlashConfiguration-Londin。OptionsSelectwheieflash

8、configurationpumeterswilbebadedfraT：GLoadfromdeviceLfldfrornFCPfileLoadfrpmNetworkLJefriiSonRfe''LoaddefaultsbasedonRTUtype'DonotstiowthisdialogboxaQamOKUsername:SYSTEMPassword666666COM4參數(shù)設(shè)置如下：9600N81點(diǎn)擊右側(cè)，WriteToRTU,下載至URTU1.打開ControlWaveDesigner,新建工程尊ISutrolWaveDesigner-MODBUS_DLMOEditV

9、iewProtectSuildOnlineExtras2.選擇ControlWave，點(diǎn)擊OK新建功能塊，如圖Name：xxx點(diǎn)擊OK雙擊打開，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將右側(cè)CUSTOM功能塊拖入Worksheet：EditWizard單Group:目PpUi3ndFBae m a NCUSTOM點(diǎn)擊OK,Name:可以按習(xí)慣修改右擊查看幫助有詳細(xì)說明，這里簡單說明。CUSTOMi o ab I ni tdiStatusmbidi RepeatudDoneCounti i WodeobDoneFlagi iCust口ml 1

11、sti iComPortiiSlaveAddressi diTi m 已口 uti siPAddressInit 值為? Repeat率相同。? MODETRUE時(shí)，初始化模塊定義模塊發(fā)送請求信息的最小等待時(shí)間（毫秒）,通常與任務(wù)的執(zhí)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定義端口模塊需要使用信號(hào)的列表1PortA口V-PortB3PortC4PortDSlaveAddressTimeout13-Eth3從設(shè)備地址等待從設(shè)備相應(yīng)時(shí)間14Eth215-Eth1（毫秒）? IPAddress? STATUS? DoneCount? DoneFlagspecifies the Open Modbus slave RTU's IP address模塊執(zhí)行后狀態(tài)，0為正常，其他參考幫助文檔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.雙擊藍(lán)色小圈，變量屬性，類型默認(rèn)INT,選擇使用 VAR_INPUT輸入變量），點(diǎn)擊 OK&Lc<ikTn：lLOblrji l xlfl odeiiCanFortj.iSl i'Jeid'.Lre5sIdlTimejilLIcIPAddrtLL：OETORTm雙擊綠色小圓圈，設(shè)置 odiStatus為VAR_OUTPUT輸出變量CUSTOM 1CUSTOMBlocklnitioa

14、blnitdi St at us 一RepeatTimeMODEidi RepeatliMadeudDoneCountobDoneFlasHo同樣建立其他參數(shù)BlocMnit-CUSTOMioabLnitndiStalLisRei,estTLne1diRepeato-jdDDreC3uritnofEiiModeobDcne51agTiiCustomlintC-mPort'ib-oiTort5】avcA-ddrcsiwlavcAddressAidiT：n)eoulisTPAddressJrrisTnnjDcineFlagSisile在右側(cè)功能塊中，選擇LIST020,拖入工作區(qū)(Work

15、sheet),點(diǎn)擊OK雙擊ListNumberLIST0201diati_is1aiiyElciLieiit1ianyElement31ailiyEltslLiesKt41auiyEleiLicsiit5ListNumber與iiCustomlist數(shù)字一致L1ST0ZU、IHRMiaablnHudjStatusidiRepfaioudDoneCoLmi.iHt>deQbDonuFLngiiCustcinlistiiCpmPartiiSLaYrAd'±reEsBlock7niiRepeat!Lme1ConPortLav=Ad<irbesStatus1Lt*t+ti

16、iLiistNuraberqdiStatusianjKlianyElearnt2ianytlensntlanyElencntianyEltDm:5vrrmrBlocklnLtiostlnitdiStatueStaffsKepeaTTimsidiK&patcudDorjieCciijritfiitrirfcobOanW】邱'_DaneFliCJiiCuFtDEl1stiiCcoifuriStw:Ad/-5=11S1mFcAdre-ssIdiTi綺ntAisIFAdiiress1£iLixt'GuEbnaiiCt皿業(yè)FUNCTION-janTElmentST項(xiàng)TA

17、HRHS.1arjyE)tiKnt2M1T=fiari/ElenoLtSTOLiatiah/Eldlirtit44ianvElEJiKTitSDaieSizejBitOrdex,ifirr.i.iemenT6i叫閩Eiwmt?B.teCHXi-iarMtleroeiugWorrdsi-innyEltgugBTCfTC力4twXL.Ja._L一qRL口產(chǎn)DElny_NcidciDnyElCTrnTllLbmZU_L-IT彳ByteOrderc初始值設(shè)置1新建程序，COM4=jPtTojed:F:FalectXNodbtJS_RTU_Slave_D排二Libraries鮑FRCCQM。寧-些ACC

18、OLrDataT/pesLogicalPT|ModtIn5ert,"P'ffl卜&PasteCtd+YExpandAllEDefault-FrysicaH耳函Conrtrf*1Prog-am&FunctitxnFunctionBlockPODgroi<jSaveAsNehwrfcTemplateaihDefinePlaceholdersProperties.點(diǎn)擊OK,Name：可以按自己習(xí)慣來新建Task,日-ProjectiF:.PeqeatModbus_RTU_Slave_D13.Librariesii“嗯PROCUNOS*j；唾AX0L3*EXat

19、aTypes-LogicalPOUs:點(diǎn)回COMJ*:JCOMJT!IB8M_4/|C0M_4*Hi-fiModtxjs_Slave*:2Modbus_SlavftTModbus_Slav*V*ModbusSlaue*日""PhysicalHandware*白管ControlWavt:IPC_dCT白R(shí)TU_RESOURCE.ContfolWaTasl：Gbb,Insert工"HQ-C玲PasteCfrlWExpandAlSaveAsNetA.'tirkTenriplBteDefinePlaceholders選擇周期性的，CYCLIC點(diǎn)擊OK新建實(shí)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”點(diǎn)擊工具欄,MAKE編譯,在右側(cè)功能

21、塊中，選擇剛才做好的功能塊Modbus_Master,拖入COM_4工作區(qū)按下圖設(shè)置，參考幫助MODE:4（ModbusRTU主）ComPort:4（串口COM4）SlaveAddress：1（從設(shè)備地址1）FUNCTION3（MODBUS功能碼3,讀寫HoldingRegister,4XXXX地址）StartAddress：99（起始地址40099）NUMBER:10（讀取寄存器個(gè)數(shù)10）IOList（存放數(shù)組）：101（數(shù)字要與需要存放數(shù)組一致，按自己設(shè)置，這里設(shè)置為101）DataSize：3（16位INT型）99一10101Modbue_Haster_lJTodbusMasterMUL

22、ECamPortSlaveAddressFUNCTIONSTARTADDRESSNUMBERIOListSlatusDoneFlae(LIST02010111ListNuimberodiotatus-voooianyElement1vooiianyElement2V002ianyEleinentSV003ianyElement4V004ianyElementSV005一ianyElementSVUU6ianyfSleinent7V0Q7-ianyElement8V00S一ianyEleroent9V009ianyEleroent10LIST0201右擊，選擇Settings.iXLiataly

23、pesQ.LogicalPOUs-1COM_4ilCOF<4TQCDNJV需8M_dModbus_Master.jModbug_MasterTjjMQdbus_Maffter''Modbus_Master三jPhysicalHardware-前ContrplW3v;IPC_0ERTLRESOURCE.CcrW用由層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選擇DLLTCP/IP192.168.3.140之前配置以太網(wǎng)口1地址點(diǎn)擊Saveasxxx,點(diǎn)擊Save編譯后，下載ControllN-aveDesigner-f1odbu5_RTll_Maffter_DENO-COM_Qnlrie|Extras?：。FiltEditViewProflBuidProjectCcntrd.柿區(qū)Q回WBebugFtO：ProjectTreeWindowFpjact:F;PefjectModbus_l白.LibrariesL®PRC8H