西門子s7300-400格式-s7cp44串口通訊

A&D首先建議 模塊，這些模塊具有1（CP441-2有2）串行通訊口（RS232CTTYRS485/422）。您可表、ModbusDataHighwayUSSS7300RS232CASCII,S7300RS232CASCII,3964R,ASCII,3964R,ASCII,3964R,S7300RS232CRK512,ASCII,3964(R),Highway(DF1RK512,ASCII,3964(R),Highway(DF1協(xié)議)，USSASCII,ModbusMaster/Slave(RTUDataHighway(DF1ASCII,3964R,+20mATTYASCII,ModbusMaster/Slave(RTU+DataHighway(DF120mATTY510155105051050 CopyLicense，不包括、 CopyLicense，不包括、DataHighway CopyLicense，不包括、6ES7341-1AH00-議，CP441-2使用同樣的硬件狗，這里所提到的硬件狗、Dongle、協(xié)議驅(qū)動(dòng)或Loadabledriver指的是同一個(gè)東西,如下圖：2MODBUS為單主站網(wǎng)絡(luò)協(xié)議，所以系統(tǒng)中只能夠有一個(gè)Modbus主站，并且只能夠?qū)崿F(xiàn)主站和從站的，從站之間不能進(jìn)行。CP341MODBUS主站Dongle或Dongle Dongle式）、1000m（模式），RS422/485的通訊最大距離位1200m。多個(gè)智能儀表等，如果您采用ASCII碼通訊方式，需要在發(fā)送的數(shù)據(jù)包中包括站串行通訊模板只有RS232CTTYRS485/422三種電氣接口類型，如果您想實(shí)現(xiàn)串口在您的計(jì)算機(jī)上首先安裝STEP75.xCP34x模板所帶的驅(qū)動(dòng)程序，模板驅(qū)動(dòng)程參數(shù)化CP34x模板圖圖圖 使用默認(rèn)值：9600bit/s,8databits,1stopbit,evenparity。對(duì)您的硬件組態(tài)存盤編譯， . 的SIMATICManager下打開(kāi)例子程序：圖打開(kāi)CPU站下的Blocks文件夾，所有的程序塊（除過(guò)systemdata）到你的項(xiàng)目當(dāng)中，只中的不同，那么你應(yīng)當(dāng)修改相應(yīng)程序塊LADDR參數(shù)，CP34x/CP44x模塊實(shí)際的硬件組態(tài)地址圖圖調(diào)試CP34x的一個(gè)基本方法是采用PC機(jī)上的串口通訊調(diào)試，Windows系統(tǒng)自帶的超級(jí)終端(HyperTerminal)是一個(gè)非常方便的串口調(diào)試工具，用電纜將CP34x的通訊口和PC機(jī)的RS485RS232或TYYRS232信號(hào)轉(zhuǎn)換器，打開(kāi)超級(jí)終端的路徑如下圖： 圖 圖 圖 圖這里請(qǐng)您注意，如果您是用的是其他Com口，請(qǐng)根據(jù)實(shí)際連接的Com口進(jìn)行選擇，波特率、數(shù)據(jù)位，奇偶校驗(yàn)位，停止位，流控要與CP34x/CP44x組態(tài)時(shí)設(shè)定的值一致，起始位為1位，停止位可設(shè)定為1－2位，但必須是1，不能修改。Modbus您可以在下面的路徑中獲得，安裝完包后，在您的項(xiàng)目中組態(tài)modbus從站，雙擊CP341ParameterModbusSTOP狀態(tài)。在點(diǎn)擊信封圖標(biāo)，打開(kāi)Modbus從站參數(shù)窗口：對(duì)應(yīng)。WinCC作為Modbus主站，進(jìn)行浮點(diǎn)數(shù)時(shí)，Tag的類型應(yīng)當(dāng)選為浮點(diǎn)數(shù)32位，注意地址偏移為321（33、65、97）InputBits/OutputBits方式讀寫（FunctionCode01，02）PLC當(dāng)中應(yīng)當(dāng)將一個(gè)字的高低8位進(jìn)行對(duì)調(diào)。如果選用InputWords/OutputWords（FunctionCode03，04）PLC16位進(jìn)行對(duì)調(diào)，S7200Modbus程序塊的浮點(diǎn)數(shù)處理存在誤差，大致在0.5%左右。Modbus如圖15、16所示。下圖說(shuō)明了DB42前幾個(gè)字節(jié)所代表的含義： DB40.DBW6FB8成功執(zhí)行的次數(shù)，DB40.DBW6FB8執(zhí)行出錯(cuò)的次數(shù)，DB40.DBW14CP340,CP341,CP440,CP441驅(qū)動(dòng)程序,版本號(hào):Windows95/98/Me/NT/2000/MODBUSLoadabledriverCPPtPModbusMasterMODBUSLoadabledriverCPPtPModbusSlaveCP340實(shí)現(xiàn)打印功能的使用指南：S7-300/CPS7-300/CPS7-400/CPS7-400/CP Modbus主站Entry-IDEntry-IDDataHighway協(xié)議Entry-IDQUESTION1CP34xQUESTION43964(RRK512QUESTION5ET200MDongle（ModbusMaster）CP341S7300PLC對(duì)通訊數(shù)據(jù)的讀寫？QUESTION6SM331-1KF00QUESTION7:每當(dāng)斷電重啟后，CP341模板和調(diào)制解調(diào)器（如SA的modem）之間的通訊出錯(cuò)，而使用CP441模板卻沒(méi)有同樣的問(wèn)題，為什么？QUESTION8CP3403964RQUESTION9:CPU318CP341不同協(xié)議方式下所能實(shí)現(xiàn)的傳輸速率是QUESTION10:CP341/CP441-2需要多少證QUESTION11:CP341LEDQUESTION12:關(guān)于串行通訊中的起始位、數(shù)據(jù)位、校驗(yàn)位、停止位的說(shuō)明？ 13：CP341模板都支持那些通訊接口方式和協(xié):解答：如果你使用自己制作的電纜，那么必須使用帶外殼的D型接頭，線應(yīng)當(dāng)和接頭的外殼連接，將電纜的層和GND連接，否則會(huì)造成通訊接口的損壞，請(qǐng)注意RS232不記錄儀上選擇”IBMProprinterEmulation”設(shè)定： CP34x、CP44x之間，或與標(biāo)準(zhǔn)串口（機(jī)上 .C：RS485的連接定義D：RS422的連接定義EntryWhichcomponentshavetobeorderedforthefunctionofPCS7/STEP7withaCP341moduleasMODBUSmasterandwhichcomponentshavetobeorderedforthefunctionofPCS7/STEP7withaCP341moduleasMODBUSslave?YouneedatleastthefollowingcomponentsforeachoftheoptionsdescribedCP341module:6ES7341-1xH01-0AE0(x:=A:RS232;x:=B:TTY;x:=C:ThiscardisalwaysdwiththeinstallationCDforPtPThisdeliverypackageincludestheinstallationCDforretrofittableMODBUSmasterdriver,ationandahardwaredonglefortheCP341.ThisdeliverypackageincludestheinstallationCDforretrofittableMODBUSslavedriver,ationandahardwaredonglefortheCP341.ForeachfurtherMODBUSmasterlinkyouneedanadditionalCP341module(seeabove)andanothersinglelicensewithoutsoftwareandation(onlyhardwaredongle).Theordernumberforthisis:Singlelicense(withoutsoftwareand ation):6ES7870-1AA01-0YA1ThisdeliverypackageincludesonehardwaredonglefortheCP341.ForeachfurtherMODBUSslavelinkyouneedanadditionalCP341module(seeabove)andanothersinglelicensewithoutsoftwareandation(onlyhardwaredongle).Theordernumberforthisis:Singlelicense(withoutsoftwareand ation):6ES7870-1AB01-0YA1ThisdeliverypackageincludesonehardwaredonglefortheCP341.ThefollowingconfigurationswithCP341arePCS7/STEP7isMODBUSmasterorslave(not Requiredorder:1*CP341and1*singlePCS7/STEP7isMODBUSmasterorslave(notRequiredorder:1*CP341and1*single5.PCS7/STEP7isMODBUSmasterorslave Requiredorder:1*CP341and1*singleAdditionalorder:1*CP341and1*singlelicense(withoutsoftwareand是否正確。用上升沿觸發(fā)P_SendTXDPLCASCIIDB塊中寫幾個(gè)字符形式的數(shù)據(jù)(chat如'1','2','A'等)并間隔觸發(fā)Windows"HyperTerminal"建立一個(gè)直接到串口的連接,這樣就可以讀EntryQUESTION43964(R)RK5123964(R3964(R)將控制字符(安全層)添加到信息數(shù)據(jù)上。這些控制字符激活通信伙伴，檢查數(shù)據(jù)是否全部接收，是否無(wú)錯(cuò)誤。程序3964(R)RK512評(píng)估1RK5123964(RRK512124計(jì)算機(jī)連接RK5123機(jī)連接RK512發(fā)送一個(gè)響應(yīng)消息時(shí)的數(shù)據(jù)傳送順序：S7-/S7-/S7-/S7-/2：EntryS7300PLCHowcanIloadaloadabledriver(e.g.CPPtPMODBUSMaster)intoaCP341thatisconnectedtoahigh-availabilitysystembymeansoftheET200M?InordertoexpandthefunctionsanpttheCP341tothecommunicationpartner,othertransmissionprotocolscanbeloadedontotheCP,inadditiontothestandardThefollowingbasicrequirementsmustbefulfilledinordertoloaddriversintoaCP341subsequently.TheremustbeaversionofSTEP7BaseV4.02orhigherTheremustbeaversionofthePoint-to-PointCouplingsParameterization(CPPtPParam)optionspackageV4.1orhigherinstalled.ThelatestversionofthissoftwareisavailabletodownloadfromtheInternetasfreewareunderEntryID:12310504.PlugthedonglewhichcomeswiththedriverintothebackoftheTheloadabledriverhastobeconfiguredinthe"CP-PtPParam"parameterizationuserinterfaceofall.Oncethishasbeenconfigured,theconfigurationandparameterizationd anbeloadedonlinefromthePGintotheCPUviathe"Loadsystem" InordertoloadtheloadableMODBUSdriverintheS7-400high-availabilitysystemintotheCP341ontheET200M,bothhigh-availabilityCPUsmustbeswitchedto"STOP"mode.ThedriveristhenloadeddirectlyfromthePGintotheEPROMontheCP341viatheMPIinterfaceonthemasterCPU.Forthisreason,moduleexchangeisnotpossiblewithoutaPG!ThisloadingprocesscsotakeplaceinaS7-300centralrackviaanS7-300CPU.TheCPisthenpluggedintotheET200M.Thisprocedureisonlynecessaryforloadingtheloadabledrivers,notforassigningparameters.TheloadabledriveronlyhastobeloadedintotheCP341once.Withthehardwaredonglepluggedin,theCPcanthenbeoperatedwiththeMODBUSmaster/slaveYoucanfindfurtherinformationaboutthesedriversinthemanualsonthe"MODBUSSlave"(EntryID:1218007)and"MODBUSMaster"(EntryID:1220184).Theloadabledrivers"CPPtPMODBUSSlaveV3.1.3"and"CPPtPMODBUSMasterV3.1.2"areavailabletodownloadontheInternetunderEntryIDs:8715908and8713784respectively.Entry QUESTION6:每當(dāng)斷電重啟后，CP341模板和調(diào)制解調(diào)器（如SA的modem）之間的通訊出錯(cuò)，而使用CP441模板卻沒(méi)有同樣的問(wèn)題，為什么？ThemodulesCP341andCP441havedifferentdefaultsettingsfortheV24outputsignalsDTRandRTSafterreturnofpower:theCP441startsupwithDTR=RTS=1andtheCP341withDTR=TRS=AsaresultofDTR=0theSA modemputstheReceivelineoftheCP341(RxD)intoBREAKandinthisstatesendingisnotpossible.Withreferencetotheinterfacingofmodems,whenassigningtheparametersfortheCP341inthehardwareconfiguration,youhavetheoption"AutomaticoperationofV24signals".WiththissettingtheCP341setsitsDTRstaticallyto1andalsotheRTSbeforeeach"Send".However,thissettingrequirescorrectresponsebehaviorofthemodemthatisnotprovidedbythe modem.OthermodemsacknowledgethesetDTRoftheCPwithsetDSRorthesetRTSoftheCPwithsetCTS.IftheDSRandCTSremainat0(aswithSA ),thenacorrespondingerrormessageisgeneratedandtheSendprocedureaborted.InordertorealizecommunicationbetweentheCP341andtheSA modemafterresumptionofpoweryouhavetocallblockFC6(V24_SET),forexample,inOB1.TheparametersRTSandDTRmustthenbesetto"TRUE".Entry QUESTION7"CP340RS232C"打印工作應(yīng)注意什么，應(yīng)用"CP340RS232C"傳送信息給,功能塊中"P_PRINT"（FB4）,怎樣使"PointerDB","VariablesDB"和"FormString"CP340,CP340發(fā)送信息給把信息打印出來(lái)。為了打印這些信息必須知道參數(shù)"P_PRINT","PointerDB","VariablesDB"和"FormatString"的相對(duì)關(guān)系。中包含信息文本的有固定順序的數(shù)據(jù)塊(DB31,32,33,34,35)?？蓞⒖糉AQEntryID1137332"Settingupandparameterizingthepoint-to-pointconnectionCP340"(Edition04)怎樣設(shè)置指針DB。6.3.2Outputofmessagetextsonaprinter"演針,功能塊"P_PRINT"參數(shù)"DBB_NO"必須指定指針數(shù)據(jù)塊的初始地址在例子中這些定義于數(shù)據(jù)塊"DB35"中。可參考手冊(cè)2.3.5章節(jié)"ConversionandControlInstructionsforPrinterOutput"對(duì)不通輸出選項(xiàng)的解釋。levelofupperlimitexceeded"。Entry Parameters"按鈕來(lái)參數(shù)化3964R協(xié)議。FB3"P-SENDFB2"P-RECV"。該功能塊位于程序庫(kù)-CPPtP-CP340下的程序單元FB靜態(tài)RCP340STEP70<=DBB_NO<=STATUS1<=LEN1024，用字節(jié)數(shù)目定RCP340STEP70<=DBB_NO<=1<=LEN<=。STATUSERROR1STATUS。FB3"P-SEND"FB2"P-RECVFC1中調(diào)用。"P-SEND"DB4的數(shù)據(jù)字節(jié)DBB0起發(fā)送12個(gè)字節(jié)到連接伙伴。"P-RECV"接收來(lái)自通信伙伴的數(shù)據(jù)。接收的數(shù)據(jù)自數(shù)據(jù)就觸發(fā)一個(gè)新的發(fā)送作業(yè)。</p>9600位/1將Pzp340_3.exe文件到一個(gè)單獨(dú)的 進(jìn)行解包。然后可以用SIMATIC管理器打開(kāi)并處理解包后的項(xiàng)目。Pzp340_3.exe(145KB樣例程序是免費(fèi)。每個(gè)用戶都可以免費(fèi)使用，或轉(zhuǎn)發(fā)該程序。程序的作者和擁有者對(duì)于該的功能性和兼容性不負(fù)任何責(zé)任。使用該的風(fēng)險(xiǎn)完全由用戶自行承擔(dān)。由于它是Entry WhatarethetransfertimeswithCP341incombinationwitha318Thefollowingtableslistmeasuredtransfertimesinrelationtotransferprotocols.AnS7-300withaCPU318(6ES7318-2AJ00-AB0,firmwareversionV3.0)andaCP341(firmwareversionV1.0.2)wereusedforthetimemeasurements.AfunctionblockFB"P_SND_RK"hasbeenprogrammed(exclusively)int