通过CP3431模块,实现2套S7300之间的以太网通讯

问题：通过CP343-1模块，如何实现2套S7-300之间的以太网通讯？解答：我们首先搭建一套测试设备，设备的结构图如下：2套S7-300系统由PS307电源、CPU314C-2DP、CPU314C-2PTP、CP343-1、CP343-1IT、PC、CP5611、STEP7组成，PLC系统概貌如下图：如下将向您一步一步展示如何实现2套S7-300之间的以太网通讯：第一步：打开SIMATICManager，根据我们系统的硬件组成，进行系统的硬件组态，如图:插入2个S7300的站，进行硬件组态：分别组态2个系统的硬件模块:QD|]StaUonEditInsertPLCVh'??OptbnsWindowHelpQD|]StaUonEditInsertPLCVh'??OptbnsWindowHelp[n^.HWConFig[dthernetl(CanFigurotion)—ISO_sendreceive]laj畐电滬i少圖制忖⑹UR|P53075A>1CPU314C-2Pip2匹242.5FtFNSMWCoiJnfFtiSfitW―'3di-t-CP343-156zJ创〔Q]URSlolgModuleOldernumberFirmwareMFIaddress1addressQaddress11FS3075\£E5730MEMiQ-0朋02BCPLJ314C-2PIP£匚「trwjr-nrnnn*innV1.04彩j肿6Eb."JU/IEiHUDOAiHUJ卿1DI24/DGJ6宓.滋1祝..剧血.中j£cy(^戲.窗7SS..7S3站J嗣7$S34#CP343-1£GK7343-1E^11-CMEOV2.Q5256..27125E...271R设置CP343-1、CP343-IT模块的参数，建立一个以太网，MPI、IP地址:黔黔StationEditInsertPLCViewOptionsWindowHelp|區HW匸onFig-[Ethernet1(匸onFiqu「己tion)--I50_务亡八(]「亡匸商¥哥□|團詁睥團M關皂|釧釧fnn］圜團^(OJLIFI1~2~X匸£匸G-PS掘CPU31402西PtPBi24/匸心E4®•進•4心EPassionCP343-1Properties-CP343-1-(R0/S4)General|Addresses|Options\Diagnostics|Addressing]ShortDescription:OrderNo./firmwareName:rInterfaceType:Address:Networked:CF1343-1Slot|Module11PS3075A62I|CPU314C-2PIP6X2jFTP2.2jDI24/DCH62.3jA!5^G2Comment:diInsertFtCW&uCptcrsWindowbfeR・<l(0)URI鱼-[ELhEfniEt^l(lOtfil術IM吕tiern)—I冒口-歩己「1击凸：已8!¥芒]|I2应金圍电吕_血血|IE口|制屈Old]UR•MlI0JURFtsjtx^PS3075AlEPU乖肾CP-343-1Sldt冋MdcIiJeCh七1nurt141PS3D75A6E57307-12]1CPU314C-2円卩6ES73H-胎「砂I1忌jorfiv?3CP343-16GK7343-1EXUDEDIR凶Backpla门已ConnectionhiPIaddress:3S7CPforIndustrialEthernetISOandTCP/IPwithSEND/RECEIVEandFETCHAVRITEinterface,longdata,UDP.TCP,ISO,S7communication,routing“modulereplacementwithoutPG“10/100Mbps,fixedMACaddress,initializationoverIPmulticastfirmwareV2.06GK7343-1EX11-0XE0/V2.0CP343-1EthernetYesProperties...2dPwpElfL飽―匚P34S-1-V2D256...27125E..271HelpEUgEUg京期歯EdtInsertFtC讪侧OpdmtWrelWh-hfep|总IH训匸eraHg-[ethetf「iet2《匸一ISO_霽mntfree刨诧]m剧討吕I制創射自|釧釧厕旦圜也|1PG3D71业2|CPU31A2DPZ2ZJ1PG3D71业2|CPU31A2DPZ2ZJ百旳冲13牡2.50□1^(0)URUR10CP34^1IT匸Hcidub3P5A|CHJ3j仏SFEF」Order6ES7EUgEUg京期歯EdtInsertFtC讪侧OpdmtWrelWh-hfepEUgEUg京期歯EdtInsertFtC讪侧OpdmtWrelWh-hfep组态完2套系统的硬件模块后，分别进行下载，然后点击NetworkConfigration按钮，打开系统的网络组态窗口NetPro，选中CPU314，如下图：[虧NutPm-[I50_,ui<kucei化CSeLwurfc)--D；2iEdl:icu匕ttuM；190_,und]警NetworkEditIrisertPL匚ViewOptionsWndowHelpgig囤管I翳I雀I圖釧厨I釧潜IfWMlI创1MPIrethernetlethernet2CPU314C-2PIPCP94d-1□EDCPU.DP314C-2：口尸；□：::P)43-1I□222LocalIDPartnerIDParlnerType在窗口的左下部分点击鼠标右键，插入一个新的网络链接，并设定链接类型为ISO-on-TCPconnection或TCPconnection或UDPconnection或ISOTransportconnection,如下图：点击OK后，弹出链接属性窗口，使用该窗口的默认值，并根据该对话框右侧信息进行后面程序的块参数设定：習習Mctwo^.EdtInwtFIXVfcwOpdonsWndcwHejpriSD^sentdrBcelve(Network)-Ds'^lmaticr>ettest\I5D_send]圖目喇創些冋鱼画團叟屈園國jj暨］IEthernet(i)h'idu&trglEthernetMPI(1)MPICcnneclonPtflrertNewCimiectian□LjJI片H亡cuicrtprapzleSPil£门斗,2PrcipertiES-ISD-cm-TCPciRrmecticpn□en^ial2£1Sleek圖目喇創些冋鱼画團叟屈園國jj暨］IEthernet(i)h'idu&trglEthernetMPI(1)MPICcnneclonPtflrertNewCimiectian□LjJI片H亡cuicrtprapzleSPil£门斗,2PrcipertiES-ISD-cm-TCPciRrmecticpn□en^ial2£1SleekPa-amdEiEAddiffi$E^|□p6jr^|Dveryisw|LacdDLaidEndpartlefrierneM匸PH3I+C-2PtP9CPMl□ethernet2CPU:DPCF31+LZ:J43-1OP；IT：ID|H±k)VinEFIBDixiTCPconrecdonlW16H[riaO—^L^DDR|CPM-1-iRCySI]RartnerAclweCTnrwcljnnestaHralTienlC-3-icdIM1OtLElaLipraceniHbelcrertseflrtq習習Mctwo^.EdtInwtFIXVfcwOpdonsWndcwHejp習習Mctwo^.EdtInwtFIXVfcwOpdonsWndcwHejp当2套系统之间的链接建立完成后，用鼠标选中图标中的CPU,分别进行下载，这里略去CPU314C-2DP的下载图示：昔昔NetwcrtEdit[ncertPL匚ViewOptlore.WindowHelp彥iNetProi-[l£O_sendireii:erve(Network)-O:\sin-iaticnettest\ISO_seindr|公叫輒I圖韬创曲1曲1圈I廖［®M1I创Ethernet彥iNetProi-[l£O_sendireii:erve(Network)-O:\sin-iaticnettest\ISO_seindr|公叫輒I圖韬创曲1曲1圈I廖［®M1I创Ethernet；1)IndustrialEthernetMPh'1)MPI匚PU2：WC-ZDPLocalIDPartnerIDPartnerSltiiRpTargetModulrsThefollowrgmodLie^i^ilbestoppedfmI口adFigoflhecjjctemddtn.弭"FIT|WP1丽诃¥«纸・>=范£»1町!ima□LCiTCfilHelp到此为止，系统的硬件组态和网络配置已经完成。下面进行系统的软件编制，在SIMATICManager界面中，分别在CPU314C-2PTP、CPU314C-2DP中插入OB35定时中断程序块和数据块DB1，DB2，并在两个OB35中调用FC5(AG_Send)和FC6(AG_Recv)程序块，如下图：创建DB1、DB2数据块，如下图:LAD/STL/FBD-[pBl-TCP_Sendftecei¥e\ethernetl\CPU314C-2PtP]QFileEditInsertPLCDebugViewOptionsWindowHelpQfflklQ］團时管滬I十|轴隆|冋创邃|汕p［®翌］hTamcTYPBInitiELLvalueCorwncnt-1o.dSTPyJCT+LL0：=L：±iPPAY[lBu40D]Temparacyplaceholdervari=±ile*1.0BYTE=400,0ENDSTRUCT2套控制程序已经编制完成，分别下载到CPU当中，将CPU状态切换至运行状态，就可以实现S7-300之间的以太网通讯了。如下界面说明了将CPU314C-2DP的DB1中的数据发送到CPU314C-2PTP的DB2中的监视界面：a.选择DataView,切换到数据监视状态：b.CPU314C-2DP的DB1中发送出去的数据:c.CPU314C-2PTP的DB2中接收到的数据

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