BBControlWave串口ModbusRTU通信教程

1、串口 Modbus RTU 教程材料:RS232串口線(xiàn)，RTU的1和2接法如下:CW 9-Pin Female 叩” ConnectorCW or PC 9-Pin Female b D" ConneciDFs = cmUse the "null modem'' cable ioi iiill-duplex (PPP protocol) coiimimicaTions when connecting a ControlWave to a PC. top pan of Figure 2-12,)CW 9-Pin Female b*D" Connect

2、orCW9-Pin Female ?？?#39; Conneciori= tJF *=CT*7sm>t =DIR1 = DCOP/N 392843-01-3Fulhduplex(Null Modem)Cable(PPP Protocol)HalMuplexCable(for CW)Figute 2-1L 尸“-d"p/c and Half-dupls CableL se the lialf-duplex cable (shown in the bortom part of Figure 2-12) when comiectmg the ContiolWave to anothe

3、r ControlWave senes unit (asaiii. u,irh the exception of rhe CW10 30 35 units).3 RS485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+Table 2-IO. RS-485 COM3 產(chǎn)。獷（It產(chǎn)4習(xí) Connector Tyin Asf.gfirnentRS-4S5PinSignalRS-4S5 Description12RXD+Receive Data - InputInstallation2-27-CJ凸cl白I精/白丫白）PinRS-485

4、SignalRS*496 Description3RXL>-Receive Data Input45TXD-Transmit Data - Output67TXD+Transmit Duta - Output8ISOGNDIsolated Grouirid4 RS485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+Table 2-11. RS-4S5 COM4 Port/Male DR* Comiector Pin Assijunf-ntPinRS-485SignalRS-4B5 Description12RXD-Receiv

5、e Dota - Input3TXD-Transmit Dato Output4IXE+rransnut Ds 的 + Output5ISOGWDIsohierJ Gron r>d6RXEHReceive Date 十 Input789.配置 ControlWave 1.打開(kāi) LocalViewFLASH Progranrinning ToolsGamesGoogle ChromeIn tel'-lamtenanceMi0rdscift Office 2013MOXA UPort 1100 Seres '巾力匕e,噌 DriverOpcnBSI ToolsLocalVi

6、亡內(nèi)W NetVe'A,強(qiáng) TechView, View OpenBSI Manu已歸 on CD ACCOL ToolsCNi上占均on a ConfigLirabon Collection Programs Commori Tools ControlWave Tools Debugging 丁口口舊 Objects。werj Web Page Access 也WbTmlKitBackSearch programs and filesOliverDoouinentsPicturesMj5iCGomputerControl PanelPe'-. c« ond Prin

7、tersDefault ProgramsHilp and Supiwrt勖 UtdOMl !2.新建配置文件Local View - UntitledFile View Mode HelpMewCtrl+NOpen.,Ctrl-KJSa7fiCtrl +5Save Asr.點(diǎn)擊Create選擇本機(jī)與ControlWave相連的串口號(hào)，這里選擇6波特率選擇9600可以自定義選才R RTU類(lèi)型，這里選擇 ControlWave ,然后點(diǎn)擊 Finish自動(dòng)彈出對(duì)話(huà)框如下，這里選擇Load From Device從設(shè)備上傳配置文件Username: SYSTEMPassword 6666664參數(shù)設(shè)

8、置如下：9600 N 8 1點(diǎn)擊右側(cè)，Write To RTU,下載至U RTUb；畫(huà)困1.打開(kāi) ControlWave Designer,新建工程Control Wave Designer - MOD&US_DEHOFile | Edit View Project Build Online ExtrasQ New Project.Ctri+N£.1 Open Project / Unzip Project. Ctrl +0 Save Project As/ZC Project As.叔. Close Project 又，Delete Projects.Save As 丁即曲

9、坨Delete Template.,.I Save As NetA-orkTemolateExport.Irnpcrt,.Enter password.H SaveCtrl+£ Save All1 Cltrae2 .選擇 ControlWave，點(diǎn)擊 OK新建功能塊，如圖Name: xxx 點(diǎn)擊 OK雙擊打開(kāi)，Modbus_Master Worksheet Project Tree Vj'indow .i Project : F:PffljectModbus_RTU_Marier_l &-Libiane&：嵯 PRCCOMOSi L 嵯 /W3L3Data T

10、ypes自 Logical POUsI曰回C0M_4i i COM_4T:量 00M_4V:j i -窈 COM_4|-| fl Modbus_Masteri MMbsJhsterT »| Mod血3_MasterV，-國(guó) Madtrus_MB3ter白_ 卜 FhysicH Hmrctw己方白 量 CarrtnofWave : I PC_4Q白 窗 RTU.RESOURCE: CortralW1+1 施 Tasks6 Global .VariableslOjuxifiguration將右側(cè)CUSTOM功能塊拖入Worksheet j Edit Wizard # 由。耳：<al

11、l FUsand FBs> .i-criu#C1IUDCUSTOM»lD_eCD_TO_CINT* DJCD,TOJNT »D_BCD_TO_LINT « D_BCD_TO_SIHT點(diǎn)擊OK, Name :可以按習(xí)慣修改右擊查看幫助有詳細(xì)說(shuō)明，這里簡(jiǎn)單說(shuō)明。? Init值為T(mén)RUE時(shí)，初始化模塊? Repeat定義模塊發(fā)送請(qǐng)求信息的最小等待時(shí)間（毫秒），通常與任務(wù)的執(zhí)行速率樣。MODEGould Modbus : 4 代表 Modbus Master Mode7 代表 Modbus Slave Mode51 代表 Open Modbus Slave Mode

12、53 代表 Open Modbus Master ModeEnron Modbus : 8 代表 Modbus Slave. 52 Open Modbus Slave? CustomLIST模塊需要使用信號(hào)的列表號(hào)? PORT定義端口1-PortA2PortB3PortC4PortD13-Eth314Eth215-Eth1? SlaveAddress 從設(shè)備地址? Timeout等待從設(shè)備相應(yīng)時(shí)間（毫秒）? IPAddress specifies the Open Modbus slave RTU's IP address? STATUS模塊執(zhí)行后狀態(tài)，0為正常，其他參考幫助文檔? D

13、oneCount indicate pletion the amount of a munication requestDoneFlag Parameter is set Off when the munication request is initiated and On when the munication request is plete.雙擊藍(lán)色小圈，變量屬性，類(lèi)型默認(rèn)INT,選擇使用 VAR INPUT輸入變量），點(diǎn)擊OK二Ll&L二 l-1Repeal TiieidlcpeitiiFladeliCuEtDalLslI/O ad皿t:elirilior scodsf* Lo

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15、illodEobDoneFlaeVariable ProiwrtiMDefintton scopekLqgH廣孰口目Local Variable Groips:國(guó) |DefadtGk±al Variable (j roups;-.FTiysicdl HlerckaieControlV/aYe白” -RTU_RESOURCE國(guó) 口 efault同樣建立其他參數(shù)fllockInitigEablmiodiStatusPep ca-tTlJIiir1idli RepeatoudDont ounl:I3DEliMddeobDoneFlag1liCuntcmLiatCcmPari ijCorfc

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19、值設(shè)置1新建程序，4Eb 匕PtToject: F:PeqedXModtMJS_RTU_SlBve_D 白Lib oresa PROCONOS*i 依 ACCOLr Darts TypesS-i-1g Logical PIraert,.Progfam/ PasteExpand AllCtrlnFynctioriFunction Elock白-1 Physcai 外鼠ConrtrDefine Placeholders國(guó) PropertiesPOU groupSax e As Network.TemplatE點(diǎn)擊OK, Name：可以按自己習(xí)慣來(lái)新建Task,日一 Project : F:Vef&

20、amp;GtWodbus-pRTLIfcSlave_DB - Libraries|夏 PROCONOS*:；® XXX)L3*0時(shí)白T>p«s1- Logical POIJs:總包 C0M_4*j j I團(tuán) C0M_4T1 瑞 COMwi : comjt白_m Modbus_5lave*j r 2 Modbu3_SlaueT jj Modbus_Sl3veV；”-“ Modbus_Slaue*1- Physical Hardware”S Controlwave : IFC.UT目® RTUJjESQURCE: QirtrolWa施deb； Insert,.0

21、5kI 10-C rW PasteCfl+V一Expand 翎Save As Nttvark7emplateDefine Placeholders選擇周期性的，CYCLIC點(diǎn)擊OK新建實(shí)例E . PhysiGal Hardware"自 Si Control Wave , IPC_40-寫(xiě) HTU_R圖凸URCE： Coriro叫己Demo :Global_VariilO_ConfigurInsert.,Delete* CutGfrl +X出 CopyCtrl+C, PasteCtrl +-V1E?i|>and AlSave As Network Tempi日teDefirie

22、PlaceMdersProperties.QB器時(shí)事工1國(guó)困啊DeleteDescriptian worksheetTaskProgram instance點(diǎn)擊工具欄， . MAKE編譯,在右側(cè)功能塊中，選擇剛剛做好的功能塊Modbus_Master ,拖入_4工作區(qū)按如如下圖設(shè)置，參考幫助MODE: 4 Modbus RTU 主Port: 4串口 4SlaveAddress： 1從設(shè)備地址 1FUNCTION 3MODBUS功能碼 3,讀寫(xiě) Holding Register, 4XXXX地址StartAddress： 99起始地址 40099NUMBER: 10讀取存放器個(gè)數(shù) 10lOLis

23、t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 101DataSize： 316 位 INT 型M o dbiis_Mas t er_lUST020J.rLIST020441-399101013MODESiatusComPortDoneFlagSlave AddressFUNCTIONSTARTADDRESSNUMBERlOListDatVJ101一 TVOO'O一V001V002V003V004一V005¥006V007iiListNuiuber odi Status ianyEleioent 1i anyEl eroent 2 ianyEleroent

24、3 ianyElement4 ianyElementS ianyEleioent S ianyElement?ianyEleinent8V008的09ianyElement9ianyElementlO右擊，選擇Settings,uata lypes0Logic：aJ PC UsE 匡| COM_4 10 C0»<4T ：-Q 8N_d" | COM_d 三回 Modbu&_Master .& ModbusMasterT =j Modbus_MasterV Modbus_Masfter H ,. Ph/sical Hardware- ,漏 ContiDl

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