西门子自动化课程PROFIBUS DP withWord下载.docx
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西门子自动化课程PROFIBUS DP withWord下载.docx
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PAGE:
1.Forward4
2.NotesfortheOperationoftheCP342-5DP6
3.CommissioningtheProfibus(MasterCP342-5DP/SlaveCP342-5DP)7
Thefollowingsymbolsstandforthespecifiedmodules:
Information
Programming
Exampleexercise
Notes
1.Forward
ThemoduleD10isassignedcontentwisetoIndustrialfieldbussystems.
IT-Communication
withSIMATICS7
1-2daysEmodules
Sequencer
Programming
2-3daysCmodules
Process
visualization
2-3daysFmodules
Additionalfunctionsof
STEP7-Programming
2-3daysBmodules
Industrialfieldbus
systems
2-3daysDmodules
BasicsofSTEP7-Programming
2-3daysAmodules
Learninggoal:
Inthismodule,thereadershouldlearnhowthePROFIBUSDPistakenintooperationwithaSIMATICS7-300withthecommunicationprocessorCP342-5DPasamasterandasaslave.Themoduleshowstheprincipleprocedurebymeansofashortexample.
Requirements:
Forthesuccessfuluseofthismodule,thefollowingknowledgeisassumed:
KnowledgeintheuseofWindows95/98/2000/ME/NT4.0
BasicsofPLC-ProgrammingwithSTEP7(e.g.ModuleA3-‘Startup’
PLCprogrammingwithSTEP7)
BasicsofthePROFIBUSDP(e.g.AppendixIV–Basicsof
fieldbussystemswithSIMATICS7-300)
Requiredhardwareandsoftware
1PC,OperatingsystemWindows95/98/2000/ME/NT4.0with
-Minimal:
133MHzand64MBRAM,approx.65MBfreeharddiskspace
-Optimal:
500MHzand128MBRAM,approx.65MBfreeharddiskspace
2SoftwareSTEP7V5.xwithoptionNCMS7PROFIBUS
3MPI-InterfaceforthePC(e.g.PC-Adapter)
4PLCSIMATICS7-300withtheCP342-5DP
Exampleconfiguration:
-Powersupply:
PS3072A
-CPU:
CPU314IFM
-PROFIBUS-Communicationprocessor:
CP342-5DP
5PLCSIMATICS7-300withtheCP342-5DP
-Network:
6PROFIBUScablewith2PROFIBUSslots
1PC
2STEP7
4SIMATICS7-300with
CP342-5DP
5SIMATICS7-300with
6PROFIBUScable
2.notesfortheoperationoftheCP342-5DP
ThePROFIBUScommunicationprocessorCP342-5DPmakesitpossibletoattachtoitselftheSIMATICS7-300bythePROFIBUSwiththeprotocolprofiledistributedI/O(DP).
TheparameterizingofthePROFIBUSparametersforthePLC,suchastheconfigurationofthePROFIBUSnetwork,takesplacewiththesoftwareSTEP7.TherequirementistheCP342-5DPandadditionallythesoftware“NCMS7PROFIBUS“(ContainedalreadyinSTEP7V5.x!
),sothattheuserhasauniformconfigurationtoolforcentralizedanddistributedconfiguration.
FortheSIMATICS7-300withtheCP342-5asaCombimaster,thefollowingprotocolprofilesareatyourdisposal:
·
DP-InterfaceasmasterorslaveaccordingtoEN50170.PROFIBUS-DP(DistributedI/O)istheprotocolprofilefortheconnectionofthedistributedI/O/fieldequipmentwithaquickreactiontime.
SEND/RECEIVE-Interface(AG/AG)accordingtotheSDA-Service(Layer2ofthe
PROFIBUS).SEND/RECEIVE(FDL-Interface)offersfunctionswithwhichthe
communicationbetweenSIMATICS5andS7areunderoneanotherandtheycansimplyandquicklyberealizedtothePC.
S7-Functions.TheseofferoptimalcommunicationintheSIMATICS7/M7/PC-connection.
Onthepartoftheuserprogram,thetransmissionofthedatarangefortheDPandFDLcommunicationisactivatedthroughprogrammedFC-Blockcallsandmonitoringofeffectiveexecutionmonitored.
TheblockcallsfortheimportantcommunicationFCblocksarefoundinthelibrary“SIMATIC_NET_CP“.Inordertousethesefunctions,thefunctionmustbecopiedintotheproject.
Note:
Here2SIMATICS7-300withtheCP342-5DPareappointedtothePROFIBUSasamasterandasaslave.
3.commissioningtheProfibus(Mastercp342-5DP/Slavecp342-5DP)
Inthefollowingexample,thecommissioningofamonomastersystemwiththeSIMATICS7-300withCP342-5DPasamasterandanadditionalSIMATICS7-300withaCP342-5DPasaslaveisdescribed.
Forthetestingoftheconfiguration,aprogramwillbewritteninwhichaninput(SET)canbepresetineachPLC.ThisbyteistransferredoverthePROFIBUStotheotherPLCandcanthenbedisplayedoveradisplaybyte(DISPLAY).
AssignmentlistMaster-CPU:
IB124SETInputbyte
IB40Comm_IB1InputcommunicationByte1
QB124DISPLAYDisplaybyte
QB40Comm_QB1OutputcommunicationByte1
AssignmentlistSlave-CPU:
FortheconnectionofthetwoCPU342-5DP,wherebyoneissetasamasterandtheotherasaslave,thefollowingstepsmustbefollowed.
1.ThecentraltoolinSTEP7istheSIMATICManager,whichisopenedherewithadoubleclick(®
SIMATICManager).
2.STEP7-Programsareadministeredinprojects.Suchaprojectwillbecreated(®
File®
New).
3.GivetheNameCP342_CP342totheproject(®
CP342_CP342®
OK).
4.
HighlightyourprojectandinsertaPROFIBUSSubnet(CP342_CP342InsertSubnetPROFIBUS).
5.TheninsertaSIMATIC300-Station(®
Insert®
Station®
SIMATIC300-Station).
6.ChangethenameofthestationtoSlave(®
Slave).
7.OpentheconfigurationtoolfortheHardwarewithadoubleclick(®
Hardware).
8.Openthehardwarecatalogwithaclickonthesymbol
(®
).
Thereyouwillseethedirectoriesaredividedintothefollowing:
-PROFIBUS-DP,SIMATIC300,SIMATIC400andSIMATICPCBasedControl,
allmoduleracks,modulesandinterfacemodulesfortheconfigurationofyourhardwareconfigurationaremadeavailable.
InsertaRailwithadoubleclick(®
SIMATIC300®
RACK-300®
Rail).
Aftertheinsert,aconfigurationstablefortheconfigurationoftheRack0appearsautomatically.
9.
Nowallmodulescanbechosenoutofthehardwarecatalogandinsertedintotheconfigurationtableandarealsoinsertedintoyourrack.Toinsert,youmustclickonthenameoftherespectivemodule,holdthemousebuttonandDrag&
Dropthemoduleintoalineoftheconfigurationstable.WewillbeginwiththepowersupplyPS3072A(®
PS-300®
PS3072A).
Ifyourhardwarediffersfromwhatisshownabove,thenyoumustselecttheappropriatemodulesfromthecatalogandinsertthemintotherack.Thepartnumbersoftheindividualmodules,whicharefoundonthecomponents,areindicatedinthefooterofthecatalog.
10.Inthenextstep,wedroptheCPU314IFMintothesecondcardlocation.ThisallowsforthepartnumberandversionoftheCPUtobereadoff(®
CPU-300®
CPU314IFM®
6ES7314-5AE03-0AB0®
V1.1).
Theaddressesoftheintegratedin-/outputsbytheCPU314IFMcanbereadintothehardwareconfiguration.However,theyaredirectlyontheCPU.
TheyarethedigitalinputsIB124andIB125suchasI126.0-I126.3.
ThedigitaloutputshavetheaddressesQB124andQB125.
TheanaloginputsarefoundonPIW128,PIW130,PIW132andPIW134.
TheanalogoutputisfoundonPQW128.
11.ThenwedragthecommunicationprocessorforthePROFIBUSCP342-5DPontothefourthslot.Nowtheordernumberandversionofthemodelcanbereadoffthefront(®
SIMATIC300®
CP-300®
PROFIBUS®
CP342-5DP®
6GK7342-5DA01-0XE0®
ProductVersion2).
Note:
Slotnumber3isreservedforinterfacemodulesandremainsempty.Theordernumberofthemoduleisdisplayedinthefooterofthecatalog.
12.Bytheenteringofthecommunicationprocessor,thefollowingwindowappears,inwhichyouassignaPROFIBUSaddresstotheCPU342-5DPandmustalreadychoosethefirstPROFIBUSnet.WhenyouwanttoaltertheparameterofthePROFIBUSnet,youmusthighlightitandthenclickonProperties(2PROFIBUS
(1)).
13.NowyoucanchoosetheHighestPROFIBUSAddress(here126),theTransmissionRate(here1,5Mbit/s)andtheProfile(hereDP).(®
14.NowtheaddressesofthecommunicationprocessorintheI/OaddressspaceoftheCPUarenoted(Here:
PI256...271/PQ256..271).Choosethepropertiesofthecommunicationprocessthroughadoubleclickonthe‘CP342-5DP’(CP342-5).
15.SettheOperationModetoDPslaveandacceptwithOK(OperationModeDPslaveOK).
16.Theconfigurationtableissavedandcompilednowwithaclickon
.Thenthehardwareconfigurationisclosedwithaclickonx(®
®
x).
17.NowinSIMATICManagerenteranadditionalSIMATIC300-Station(®
SIMATICManager®
18.ChangethenameofthestationtoMaster(®
Master).
19.OpentheconfigurationtoolfortheHardwarewithadou
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