BBControlWave串口ModbusRTU通信教程

1、串口 Modbus RTU 教程材料:RS232串口线，RTU的COM1和COM2接法如下:Use the null modem' ca ble for ftJl-duplex PPP pro toe oil conummications when connecting a ControlAVavc to a PC. (See top pan of Figure 2-12.) l飞o the half-duplex cable (shown tti the bottom part of Figure 2-12) when 亡 Minectin空 the tbutioLWve to an

2、other C ontr6lV, nvo 勺之门s unit (again, wirh rhe exceprion of the CW_10 30 35 units).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

3、 Modern)Cable(PPP Protocol)P/N 392641-01-3CW 9-Pfin Female lhD，P ConnectorFigure 2-12, Full-dttpley and Half-duplex CableHalf *duplexCable(for CW)COM 3 RS485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-485 COXT3 Port fRJ-45) Connector TVhRS-485PinSignalRS-485 De-scription12HXL3+Rec

4、eive Ontn -+ Inputinstallation2 27ConirQlWavo)RS-485PinSignalRSY85 Description3 RXD Receive Data - Input5 TXD-Tmnsmrt Dtita Output67 TXD*Transmit Data -*- Output8 ISOGNDIsqLHWGroundCOM 4 RS485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+Table 2-11. RS-485 COM4 PortDB9i C&HH&ctor Pin

5、AssignnienrPinRS-405SignalRS-4B6 Description12RXD-Receive Datti - Input3TXD-Iransmit Dato - Output4TXD+Transmit Data + Output5ISOGNDIsolated Ground6RXD+Receive Data * Input79OliverDocumentsPicturesMusicComputerControl PanelDevoes and PrintersDefault ProgramsHelp and SupportStiut down >.配置 Control

6、Wave1 .打开 LocalViewFLASH Programming TookGamesGoogle ChromeIn telMahtenancMicrosoft Office 2033MOXA UPort 1100 SEh« Wmdaws DriverOpenBSl Tools口 LocaiViu 啊3N色也lewTechiew工 View OpenBSI Manuals on CD ACCOL Toolst Calibration aConfigijrati&HCollection ProgramsConwnori Tods.Can trolWave Tools_ D

7、ebugging ToolsObjectServerWeb Page AccessJi WebToolKitBackSearcfi programs ard files2 .新建配置文件Local View - UntitledFile ViS'/v Mode HelpNewCti+NOpen.4.Ctrl+OPrint CVI+PPrint PreviewPrint Setup.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Contr

8、olWave相连的串口号，这里选择COM6波特率选择9600 （可以自定义）选才R RTU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Load From Device从设备上传配置文件Flash Config uration - Lon d in。OptionsSelect wheie flash configuration pumeters wil be badedfraT：G Load from deviceLfldfrorn FCPfileLoadfrpm Network LJefriiSon Rfe'' Load de

9、faults based on RTU type'Do not stiow this dialog box aQamOKUsername: SYSTEM Password 666666COM4参数设置如下：9600 N 8 1点击右侧，Write To RTU,下载至U RTU1.打开 ControlWave Designer,新建工程尊ISutrolWave Designer - MODBUS_DLMOEdit View Protect Suild Online Extras2.选择 ControlWave，点击 OK新建功能块，如图Name： xxx 点击 OK双击打开，Modbu

10、s_Master Worksheet* Project Tree WindowE Project ' F- PerjectModbus_RIU_Master白，士/Libraries建 PROCOMOSj 峨ACCOD j,_ Data TypesE Logical FOUs回回COM_4j.j COW_4 T 20hff_4r®1 COM/白回 Mocbus_Master- 3 Madbus faster? i-=e Modbus.MasferV鼠一口 Modbus-Master-I 4-. Dhy；i2.al Mia.vi'e臼,翻 ConinolWave : I

11、PC_4O=制 RTU_RESOURCE；CQrtrdW.1+1 嗨 Tasks布 GlobBl_Variablea-til IO_Configuration将右侧 CUSTOM功能块拖入 Worksheet：Edit Wizard 单Group:目PpUi 3nd FBae m aNCUSTOM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 1sti iComPortiiSlaveAddressi diTi m

12、 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? CustomLIST? COMPORT定义端口模块需要使用信号的列表1PortA口V

13、-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 when the communication request is

14、initiated and Onwhen the communication request is complete.双击蓝色小圈，变量属性，类型默认&Lc<ikTn：lLOblrji l xlfl odeiiCanFortj.iSl i'Jeid'.Lre5sIdlTimejilLIcIPAddrtLL：INT,选择使用 VAR_INPUT输入变量），点击 OKOETORTm双击绿色小圆圈，设置 odiStatus为VAR_OUTPUT输出变量CUSTOM 1CUSTOMBlocklnitioablnitdi St at us 一RepeatTimeMODEid

15、i RepeatudDoneCountobDoneFlasHoliMade同样建立其他参数BlocMni t-CUSTOMioabLnitndiStalLisRei,estTLne1 diRepeato-jdDDreC3uritnofEiiModeobDcne51agTiiCustomlintC-mPort 'ib- oiTort5】avcA-ddrcsiwlavcAddressAi diT： n)eoulisTPAddressJrrisTnnjDcineFlagSisile在右侧功能块中，选择 LIST020,拖入工作区(Worksheet),点击OK双击 ListNumberLIS

16、T020 1 di at i_is1 aiiyEl ciLieiit 1 i anyEl ement 3 1 ailiyEl tslLiesKt 4 1 auiyEl eiLicsiit 5ListNumber 与 iiCustomlist 数字一致L1ST0ZU、IHRMiaablnHudj StatusidiRepfaioudDoneCoLmi.iHt>deQbDonuFLngiiCustcinlistiiCpmPartiiSL aYrAd'±reEsBlock7ni iRepeat!L me1ConPortLav=Ad<ir be sStatus1Lt*t+

17、 tiiLiistNuraber q di Status ianjKlianyE learnt 2 ianytlensnt lanyEl encntianyEltDm:5vrrmrBlocklnLtiostlnitdiStatueStaffsKepeaTTimsidiK&patcudDorjieCciijritfiitrirfcobO anW】邱'_DaneFliCJ iiCuFtDEl1stiiCcoifuriSt w:Ad /-5=11S1 mFcAdre-ssIdiTi 绮ntAisIFAdiiress1£ iLi xt'GuEbna ii Ct 皿业F

18、UNCTION-janTElmentST项TAHRHS .1 arjyE) tiKnt 2M1T=fiari/ElenoLtSTOLiati ah/El dlirtit 44ianvElEJiKTitSDai eSizejBi tOrdex,ifirr.i.iemenT6i 叫闽 Eiwmt?B.teCHXi-iarMtleroeiugWorrdsi-innyEltgugBTC fTC 力4t wXL. J a. _L 一 qR L 口产DElny_NcidciDnyElCTrnTllLbmZU_L-IT 彳ByteOrderc初始值设置1新建程序，COM4= j PtTojed : F:Fa

19、lectXNodbtJS_RTU_Slave_D 排二Libraries鲍 FRCCQM。宁-些 ACCOLrData T/pesLogical PT| Modt In5ert,"P'ffl 卜 & PasteCtd+YExpand AllE Default- FrysicaH 耳函Conrtrf *1 Prog-am& FunctitxnFunction BlockPOD groi<jSave As Nehwrfc TemplateaihProperties.Define Placeholders点击OK, Name：可以按自己习惯来新建Task,日-

20、Project i F: .PeqeatModbus_RTU_Slave_D 13 . Librariesii“嗯 PROCUNOS*j；唾 AX0L3*EXata Types- Logical POUs:点回CO MJ*:J COMJT! IB 8M_4/| C0M_4*Hi-fi Modtxjs_Slave*:2 Modbus_SlavftT Modbus_Slav*V* ModbusSlaue* 日"" Physical Hand ware* 白管 ControlWavt: IPC_dCT白 RTU_RESOURCE.ContfolWaTasl：Gbb,Insert工

21、" H Q-C玲 PasteCfrlW Expand AlSave As NetA.'tirkTenriplBteDefine Placeholders选择周期性的，CYCLIC点击OK新建实例F _ . Ftiyscal Hardware"自住 Control Wave :IPC_4(rId M RTU.RESOURCE; ControlWa-TaskgDemo ,：里 Glabal_VBrii J lO_CanfigLirInseft.DelateDeleteDesorption worksheetTask市口Jt=1PasteExpand AJICVI+XCt

22、rl-Kjlobd /ai,.G0hl_4：C .| POLlfJJoiProgram instanceSave A.S Network TempJateDefrie PlacehoiderG京 PropertM,W Setting ”点击工具栏,MAKE编译,在右侧功能块中，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 （ Modbus RTU 主）ComPort: 4 （串 口 COM4）SlaveAddress： 1 （从设备地址 1）FUNCTION 3 （MODBUS功能码 3,读写 Holding Register, 4X

23、XXX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_Hast er_lJTodbus MasterMULECamPortSlaveAddressFUNCTIONSTARTADDRESSNUMBERIOListSlatusDoneFlae(LIST02010111 Li s t Nuimb erodiot atus -voooianyElement1vooiian

24、yElement2V002ianyEleinentSV003ianyElement4V004i anyElementSV005一ianyElementSVUU6ianyfSleinent 7V0Q7-ianyElement8V00S一ianyEleroent9V009ianyEleroent10LIST020 1右击，选择Settings.iX Liat a lypes Q . Logical POUs-1COM_4il COF<4TQ CDNJV需 8M_dModbus_Master .j M odbu g_MasterT jj MQdbus_Maffter''Modb

25、us_Master三 j Physical Hardware-前 ContrplW3v ; IPC_0ERTLRESOURCE. CcrW用由层Taska:GfcMLVari占bles_J IO_Srfigu同所In&erL.,delete93Contr olT&v& : RTU ftESOIfECE选择 DLL TCP/IP192.168.3.140之前配置以太网口 1地址I 口 dbNODECoinPortSlaveAddFUliCTIONSTARTAI©Mmr'D'F'DDelete.“母CutCopyPasteExpand Al

26、lSave As Network TemplateDefine PteahaldetsExdudeCM+XCtrl4Ctrl+VCreate Global variables from ExternalsUpdate External Variables fromM Properties点击 Save as xxx,点击 Save编译后，下载ControllN-ave Designer - f1odbu5_RTll_Maffter_DENO - COM_Qnlrie | Extras ?：。Filt Edit View Profl BuidProject Ccntrd.柿区Q回WBe bugFtO：Project Tree WindowFpjact: F;Pefje ctM odbu s_l 白.LibrariesL® PRC