资源描述
,*,*,1.Overview,2.,Functional,P,inciple,3.,Topology,4,.,Pe,formance,5.,Ease,of,Use,6,.,Safety 7,.,lmplementat1on,8.Confo,nance,9,.,Stability,10.Adoption,11.Summary,。,d,。,ber,2014,Industrial Ethernet Technol,。,gies,EtherCAT vs.Profinet 10,-a Technology Comparison,li/Jil.,CD,tl,D,EtherCA1:,=,忻州 副,脑,l,lradema,rk,ofPro,仙”,阳幽,I,k,却怕”,o G,伽 机,E,曾,le!CAT,阳阳,natkof Bec:khctl,V,阳,1.Gemlaf,v,C,Ete.CAT Technol,。,gy Grp,El,阳市,AT vs Profinet l,。,1,Profinet 10:Overview,器墨誓,州,m,e,M,m,一,旧 时,Mf,i,t,r,c,c,w,一,川,m,o,R nR,4,，,n,4,3.,Topology,4,.,Pe,formance,5,.,Ease,of Use,6,.,Safety,7,.,Implementation,8,.,Conformance 9,.,Stability,10.,Adoption,11,.,Summary,October 2014,PROFINET-Pl,I,Siemens Industrial Ethernet Solution,Three different main Versions,:,Pr,。,finet 1/0,Version,1,(2001)CbA:,”,Component based Automation,“,:,Version 2(2004),I,RT:,1,Soft Real Time,I,(Software,Based),F,actory automation,Ve,sion,3,(2005),IRT:,lsoch,onous,Real,Time,(Hardware,Based),(,hJlillliliSr.lil1TtI-,Pi,ctures sourced,fr,。,m,PT,O/,P,NO webs te,。,EtherCAT Techn,。,l,ogy Group,Ethe,币,AT vs,.,Profinet 10,2,Profinet,RT,:Overview,器墨誓,l,0,刚,ally named,Soft,R,时,1me,(SRT),Software,So,l,ution,with,Standard,Controller,+,Network,Components,Real-Time,Behavior,as,good,as,provided,by,Sw,i,tching,Techno,l,ogy,VLAN-Taggi,ng,Priorit,i,zation,IEEE802.,1,q,.,.,Stack,bypasses,TCP,and,IP,for,Process,data,Best,E,仔,or,t,“,Protocol,w,i,th,5,.,10,ms,typical,cycle,time,Aimed,at,and,su,i,ted,for,PLC,type,app,l,ications,(,i,ncluding,dr,i,ve,contro,l,but,not,motion,con,t,ol),Requires,substant,i,al,amount,of,software,(,Field,devic,e,：,1,MByte,),州,m,e,M,m,一,旧 时,Mf,i,t,r,c,c,w,一,川,m,o,R nR,4,，,n,4,3.,Topology,4,.,Pe,formance,5,.,Ease,of,Use,6,.,Safety,7,.,Implementation,8,.,Conforman,c,e,9,.,Stability,Ordinary Ethernet Cont,r,o,ll,er,1,0,.Adoption,11,.,Summary,October 2014,。,EtherCAT Techn,。,l,ogy Group,Ethe,币,AT vs,.,Profinet,10,3,Profinet,IRT,:Overview,器墨誓,州,m,e,M,m,一,旧 时,Mf,i,t,r,c,c,w,一,川,m,o,R nR,4,，,n,4,3,.,Topology,Hard Real Time by Time Sli,Requires,Special,Switch,Chips,-,within,ALL,device,(,Master,Slave,+,all,Infrastructure,Devices),Aimed,at,Motion,Control,Applications,Reservation,of,T,i,me,Slices,for,Non,Real,Time,(,NRT,),+,TCP/,I,P,Traffic,In,sp,i,te,of,using,special,hardwar,e,st,i,ll,requ,i,res,substantial amount,of,software,(,Field,device,：,2MByte),.-.,ll!1!,Z,血,旦,皿,血,l,l,l,l,且噩,4,.,Pe,formance,5,.,Ease,of,Use,6,.,Safety,8,.,Conformance,9,.,Stability,10.,Adoption,11,.,Summary,7,.,Implementation,Pi,ctures sourced fr,。,m PT,O/,P,NO webs te,October 2014,。,EtherCAT Techn,。,l,ogy Group,Ethe,币,AT vs,.,Profinet,10,4,EtherCAT Overview,.,EtherCAT.,w,m,e,Mm,0,4,w,一,d,叫,四,mm,川,o,RR,4,1,q,，,3,.,Topology,EtherCAT:Industrial Ethernet Technology developed by B,础时，,introduced in 2003,promoted by EtherCAT Technology Group,(ETG),EtherCAT,Device,Protocol:,1/0,+,Motion,Control,Measurement,ECAT,Automation,Protocol:,Controller,+,Information,System,Level,ERP,EtherCAT,Aut,。,mation,Pro,！。,col,Coofi2,ratiori,4,.,Perfo,r,mance,5.Ease of,Use,曰,I,I,M,a,ste,r,m,o,”,A,m,，,10.,Adoption,山 飞,r,(,r,动,(i,:,、,6.Safety,?.,Implementation,I,I,Ma,st,e,r,I,I,Master,M,翩翩,。,I,I,Slave dlce,S,l,ave,d,ev,ice,S,l,ave device,8.Confo,nance,9,.,Stability,”,画,”,11,.,Summary,.,哩,dVi,EtherCAT Device,Protocol pro,cess,ed,。,n,t,h,e,fl,y,。,ctober 20,14,。,EtherCAT Techn,。,gyGrop,E,t,herCAvs Profinet,l,。,5,州,m,e,M,m,一,旧 时,Mf,i,t,r,c,c,w,一,川,m,o,R nR,4,，,n,4,3,.,Topology,4,.,Pe,formance,5,.,Ease,of Use,6,.,Safety,7,.,Implementation,8,.,Conformance,9,.,Stability,10.,Adoption,11,.,Summary,October 2014,EtherCAT Profinet,Devel,。,pment Hist,。,ry,.,EtherCAI:,Originally developed for Machine Control/,Fact,叩,Automation:,the Ethernet Fieldbus,IJfi!,回画 ,mtJo,1st,Versi on developed for,Controller/Controller Communication:,Profinet CBA,Later expanded for,Controller/Contr,。,ller,c,。,mmunication:,Ethe,r,CAT Automation,Later expanded for Machine Control/,Factory Aut,nation:,Pr,。,finet RT/IRT,Prot,。,col,6,t,斗,i,跚,。,EtherCAT Techno,l,ogy Group,EtherCAT vs,.,Profinet,1,0,6,1,.,Overv,i,ew,2,.,Functional Principle,3,.,Topology,4,.,Pe,formance,5,.,Ease,of,Use,6,.,Safety,7,.,Implementation,8,.,Conformance 9,.,Stability,10.,Adoption,11,.,Summary,October 2014,Pr,。,finet,RT:,Functional Principle,器墨誓,Each,node,sends,i,ts,data,cyclically,triggered,by,a,local,t,i,mer,These,timers,are,NOT,synchronized,（,frequency,fluctuations,),。,ms4,。,EtherCAT Techn,。,l,ogy Group,Ethe,币,AT vs,.,Profinet,10,7,1,.,Overv,i,ew,2,.,Functional Principle,3.,Topology,4,.,Pe,formance,5,.,Ease,of,Use,6,.,Safety,7,.,Implementation,8,.,Conformance,9,.,Stability,10.,Adoption,11,.,Summary,October,2014,Pr,。,finet,IRT,:Functi,。,nal Principle,器墨誓,Timeslicing,Approach,by,special,Switch,Ch,i,ps,(e.g.,ASICs,),Switches,can,be,integrated,into,devices,Topo,l,og,i,es:,Line,(up,to,25,nodes),Branch,Tree,supp,o,时,ed,Cycle,Time,250,s,to,4,ms,1,s,jitter.,V,2,.,3,(,E,d,.,1,),:,Cycle,time,starting,from,3,1,.,25,s,(claimed),I,IRT,IRT,in,阳,al,，,IRT,阳,v,TCP/IP,TCP/IP,TCP/IP,int,叫,I,-,-,I,一一,Cycle,1,一一,Cycle 2,一一,l,一,Cycle n,一一,=time,window,RT,Standard,c,”、”、,unlcatl n,c,町、町、,unlcatl n,R,9,a,雨,国,Is chr n us,c,町、町、,unlcatl n,IRT data,Pi,ctures sourced fr,。,m,PT,O/,P,NO webs,i,te,。,EtherCAT Techn,。,l,ogy,Group,Ethe,币,AT vs,.,Profinet,10,8,1,.,0ve,view,2,.,Functional Principle,3,.,Topology,4,.,Perfo,r,mance,5.Ease of,Use,6,.,Safety,7.,Implementation,8.Confo,ma,nee,9,.,Stability,10,.,Adoption,11,.,Summary,。,d,。,be 2014,Functi,。,nal Principle:Ethernet,“,on the Fly,“,Minimal protocol,overhead via,implicit,addressing,00,Optimized,te,l,egram,structure,for,decentra,l,ized,1/0,Communicat,i,on,completely,in,hardware:,maximum,performance,no,switches,needed,if,only,EtherCAT,dev,i,ces,in,the,network,Outstanding,d,i,agnostic,features,Ethernet-compatibi,l,i,ty,mainta,i,ned,。,EtherCAT Techn,。,gy,Grop,EtherCAT vs Profinet,。,9,Pr,。,finet,RT,:T,。,p,。,l,。,gy,器墨誓,Lin,e,Branch,+,Tree,T,opologies,are,supp,o,同,ed,S,i,e,m,e,ns,r,e,c,ommends,:,u,se,star,architecture,and,keep,the,cascade,depth,of,switches,low,Line,T,opology,thus,not,recommended,due,to,cascaded,switch,issue,E,陆,m,p,险,。,f,an,。,pti,m,ed,P,R,。,F,I,NETtop,c,到,咱,y,-,-,-,.,;,.;.,函,争,函,、,PROF/NET,由,ta,exc,h,ange,ar,喝,阳,咄,咄,-,a,阳,”,4,.,6,Setup,recommendations,for,optim,.,国,ngPROFINET,4,.6,S,et,up re,co,mmendati,o,n,s,f,or o,ptimi,z,ing PROFINET,Optimizi,n,g PRO,FIN,ET with RT,PROFINET,a,ll,ows y,。,u,t,o set,up,communi,由此,ion wi,t,h both highpe,巾,rmance and a,high,degree,of integration,By,keeping,to,t,he following guidel,i,nes,you,臼,n further improve performance of y,。,ur,PROFINET,1,0,sys,恒,min,RT,m,。,de,1,.,Connec,t,a rou,ter,or a SCALANCE S between the office,network,and,PROFINET,system,Use,th,e router,to,define access,p,时,vileges,for y,。,ur,PROFINET,system,2.Where useful,I,set,uo,vour PRO,F,IN,ET,in a star arch,i,tecture,l,(in,the control,cabinet,perhaps).,3,1,Keep the,臼,sc,ade,depth of sw,i,比,hes,low,.,I,This,incre,眉目,clarity of your,PROFINET,system ar,h,it,eciure,s,。,u,r,ce:,S,i,emens,P,ROFIN,E,T System Descr,i,p,ti,。,n,System Manual,08/2008,A5,E,00298288-04,P,age,75,I n the,2010,v e r,s,i,on of this d,。,cument,i,tem 3 was rem,。,ved,-the 2010,version,con,tai,ns,the,re,co,mmendati,。,n t,o,use,ded,i,ca,ted,Siemens,S,w,i,tches,only,EtherCAT Techn,。,l,ogy Group,10,器墨誓,Pr,。,finet 10:Conformance Classes,Profinet,defines,3,conformance,classes:,A+B,=,R,T,C,=,I,RT,(+RT),For,synchronized,Motion,Contro,l,regardless,of,Cycle,Time:,Class,C,equired,1,.,Overv,i,ew,c,。,。,c,且,再回,。,c,z,o,z,u,o,n,比,O,2,的,。,2,.,Functional,Principle,巴,巴,4,.,Pe,formance,5,.,Ease,of,Use,6,.,Safety,7,.,Implementation,C,l,ass,A:,Standard Ethernet Netw,。,rk,c,。,mp,。,nents,C,e,此,i,fied,Dev,i,ces,and,c,。,”,t,r,。,lier,8,.,Conformance,n,。,nis,。,chr,。,n,。,u,s,TCP,/,IP,RT,RedClass,1,。,pti,。,nal,Applicati,。,n,Class,.,C,。,mmu,n,i,cat,i,。,n,C,lass,Redundancy:,9,.,Stability,10.,Adoption,11,.,Summary,October 2014,。,EtherCAT Techn,。,l,ogy Group,11,Pr,。,finet,IRT,:T,。,p,。,logy,器墨誓,1,.,Overv,i,ew,Lin,e,Branch,+,Tree,Topologies are suppo,时,ed,i,M,叫,O,of Nodes,(Siemens*):,60,立咀,2,.,Functional Principle,巴,巴,IRT:,only,special,Profinet,IRT,switches,can be,used,-,no,Commercially,Of,The,She,l,f,(COTS),sw,i,tches.,Cascading,of,sw,i,tches,in,a,l,ine,has,practical,lim,i,t,of,20,-,25,devices,this,means:,branch/star,topology,i,s,the,common,desig,n,whether,desired,or,not,The,network,topology,layout,requ,i,res,a,top-down,approach,The,planning,process,mandates the,layout,and,wiring,of,a,configuration:,p,e,斤,ormance,data,is,true,for,a,specific,topology,ON,L,Y,Therefore:,topo,l,ogy,restrictions,apply,when,designing,a,network,with,a,required,performance,5,.,Ease,of,Use,6,.,Safety,10.,Adoption,7,.,Implementation,8,.,Conformance,9,.,Stability,11,.,Summary,Li,m,i,t,a,t,ion,。,f,Siemens ERTEC 400 Pr,。,fine,t,I,R,T,C,h,ip,Ethe,币,AT vs,.,Profinet,10,October,2014,。,EtherCAT Techn,。,l,ogy Group,12,EtherCAT wiring is more flexible,矗,EtherCAT.,.,2.,Functional Principle,Topology,variants,like,Lin,e,Sta,r,Tree,+,Drop,Lines,supp,o,叫,ed;,can,be,used,in,any,comb,i,nation!,Al,so:,Ring,Topology,for,Cable,Redundancy,:,Up,to,65.535,nodes,for,each,segment,regard,l,邸,of,topology.,Inf,l,uence,of,topology,on,cycle,time,insign,i,ficant.,1,.,Overview,巴,巴,5,.,Ease,of,Use,6,.,Safety,Master,7,.,Implementation,Conformance,Stabi,l,i,ty,10.,Adopt,i,on,1,1,.,Summary,EtherCA,T,。,Tech,n,。,l,ogy,Group,13,1,.,O,v,erv,i,ew,2,.,Functional,Principle,F,再函,n e,6,.,Safety,7,.,Implementation,8,.,Conforman,c,e,9,.,Stabilit,y,1,0,.,A,doption,11,.,Summary,October 2014,Pr,。,finet,RT:,Perf,。,rmanee,器墨誓,RT,M,。,tion,Control,RT in PR,。,FINET provides similar Real-Time properties,like PR,。,FIBUS,Cyc,l,e,times,can,be,rea,l,i,zed,i,n,the,range,of,5,to,10,ms,s,。,urce:,Pr,。,fibus,ln,t,ern,a,ti,。,n,a,lwebsi,t,e,www.pro,fin,。,EtherCAT Techn,。,l,ogy Group,Ethe,币,AT vs,.,Profinet,10,14,1,.,Overv,i,ew,2,.,F,u,n,c,ti,o,n,a,l,F,再函,n e,6,.,S,a,f,e,ty,7,.,Im,p,le,m,e,n,ta,tio,n,8,.,Co,nf,o,rm,a,n,c,e,9,.,S,t,a,bilit,y,1,0.,A,d,op,ti,o,n,11,.,Sum,m,a,ry,October 2014,Pr,。,finet,IRT:,Perf,。,rmanee,器墨誓,Published by Profibus Intern,a,tional,:,Pl,-,.,PROFIBUS PROF/NET,l;l,可,il!ltttt;H-l.,矗,11.!i.,盏 回乱,1fil111,.町百,lllTolr.1,目.,r,.,1.,.,.,1i11,目,l,l:ll l:,:ll.,11ull:I,1 ms,I,5,川,s,I,2,川,s,I,-,R,eserv,e,d fo,o,pe,n,c,om,付,1u,n,i,c,at,i,on,w,i,th,s,t,anda,r,d,IT,P.,50,%,50,%,50,%,Profinet,cycle,time does not,improve,for more realistic no.of Bytes per Node(e.g.,16),Valid for a network,CLUSTER(4,networks)only,not for a single network,.,.,Plu,s,IRT,(Sie,m,e,n,s,ERTE,C,40,0)o,nl,y s,up,ports 6,0 n,o,d,es,m,ax,i,mu,m(,all 4 ports combined,),s,。,urce:P,r,。,fi,bus,l,n,t,ern,at,i,。,nal Presenta,t,io,n:,P,r,。,fi,n,e,t,Be,n,efits,。,EtherCAT Techn,。,l,ogy Group,Ethe,币,AT vs,.,Profinet,10,15,1,.,Overview,2.,F,unctiona,l,Principle,F,再函,n,e,6,.,Safety,7.,Imple,mentatio,n,8.,Co,nf,o,rman,ce,9.S,tabilit,y,1,0.Adop,ti,on,11.Summary,October 2014,EtherCAT:Perf,。,rmance I,矗,EtherCAT.,.,Performance,Values,for Motion Control,applications with,Ethe,CAT,Bl!Il,罩,:nm,望,II,固,II,圈,E,1,，回,111.-,68,32,14,446,(4,p,。,rts,:,272),(4 po s,:,同,128),(4 po,同,s:,56),0.2,s,50%,(4,p,。,rts:,1784),0.2,s,50%,0.2,s,50%,II,0.2,s,50%,Number,of,Nodes,*,Jitt,e,r,Available for,co,mmuni,ca,tion,with,standard,IT,protocols,Number,of,Devices,with,1,6,B,叭,es,Input,+,1,6,Bytes,Output,Data,on,a,c,。,ntroller,w,i,th,1,port,All Devices Stand Alone(worst case,f,。,r EtherCAT),With 4 p,口同,s,same cycle,Time,n,。,f,nodes,吁,The EtherCAT Dri,ve,Profiles,define,8,.,12,Bytes Input+,8.,12,Bytes Output Data per Drive-no need,for,40,Bytes l+O,。,EtherCAT Techn,。,l,ogy Group,Ethe,币,AT vs,.,Profinet,10,16,矗,EtherCAT.,.,EtherCAT:Perf,。,rmance II,1,.,Overview,2.,Functional,Principle,F,再函,n,e,6,.,Safety,7.,Implementati,o,n,8.Conformance,9.,Stability,1,0.Adop,ti,on,11.Summary,October 2014,Performance,Values,for,1/0,Type,applications with,EtherCAT,Bl!Il,罩,:nm,望,Number,of,Nodes,*,Jitter Available,for,communication with standard,IT protocols,圃阳,II,E,1,，回,111,68,32,14,630,(4,p,。,rts,:,272),(4,po s,:,同,128),(4,po,同,s:,56),(4,p,。,rts:,2520),0.2,s,75%,0.2,s0.2,s0.2,s,75%70%78%,II,Number,of,Devices,with,4,Bytes,Input,+,4,Bytes,Output,Data,on,a,Controller,with,1,port,All,Devices,Stand Alone(worst case,f,。,r EtherCAT),With 4 p,口同,s,same cycle,Time,n,。,f,nodes,吁,Statistics show,that the,average,Fieldbus 1/0,station,has,less,than,4,Bytes Input+,4,Bytes Output Data,。,EtherCAT Techn,。,l,ogy Group,Ethe,币,AT vs,.,Profinet,10,17,Pr,。,finet:Ease,。,f,Use,lilliJCDIJD,ili,自由,1,.,Overview,2.,Functional Principle,3,.,Topology,auw,2,c,一,池,一,1,s,倒,一,U,n,J,w,一,。,一,y,3,j,t,，,附,一,创,一,句,e,a,a,p,E,s,4,5,6,7,.,Implementation,Conformance,Stabi,l,i,ty,1,0,.,Adopt,i,on,1,1,.,Summary,October 2014,Profinet has no structuring concept(with isolated Ethernet segments),therefore Single Layer 2 network needed,All modules or subsystems within one line require a common configu,ation!,Setup of addresses difficult-each 10-module affected Setup cannot done by the machinery supplier,。,EtherCAT Techn,。,l,ogy Group,Ethe,币,AT vs,.,Profinet,10,18,1,.,Overview,2.,Functional Principle,3,.,Topology,auw,2,c,一,池,一,1,s,倒,一,U,n,J,w,一,。,一,y,3,j,t,，,附,一,创,一,句,e,a,a,p,E,s,4,5,6,7,.,Implementation,8.Conformance,9.Stability,10.,Adoption,11,.,Summary,October 2014,EtherCA,T:,Ease,。,f,Use,矗,EtherCAT.,.,Network,p,l,anning:,Performance,i,ndependent,of:,Slave,implementat,i,on,(no,Stacks,involved,in,Process,Data,Communication,),Topology,(no,Sw,i,tches/Hubs,),Addressi,ng,i,No,manual,address,sett,i,ng,required,No,I,P-,or,MAC-Address,Hand,l,i,ng,Required,Addresses,can,be,assigned,automatically,Addresses,can,be,kept,no,new,addressing,if,nodes,are,added,Structuring,No,Address,confl,i,cts,Rout,i,ng,into,underlyi,ng,network,segments,supported,。,EtherCAT Techn,。,l,ogy Group,Ethe,币,AT vs,.,Profinet,10,19,1,.,Overview,2.,Functional Principle,3,.,Topology,auw,2,c,一,池,一,1,s,倒,一,U,n,J,w,一,。,一,y,3,j,t,，,附,一,创,一,句,e,a,a,p,E,s,4,5,6,Pr,。,finet R,。,bustness(I),lilliJCDIJD,ili,自由,Profinet,can,be,vulnerable,if,certain,non-Profinet,network,traffic,occurs,such,as,h,i,gh,density,of,(sho,同,）,ARP,requests,This,applies,to,RT,as,well,as,to,IR,T,since,i,n,IRT,the,NRT,channel,is,used,for,supp,o,ting,services,such,as:,Synchron,i,zat,i,on,(,I,EEE1588),A,l,l,acyclic,services,(wh,i,ch,are,used,by,some,masters,i,n,a,cycl,i,c,way),.,D,i,scovery,protocol,(,LLDP,),9.Stability,8.Conformance,CPU,：一,已,莘,莘,吝,虫,4,等,安,?.,Implementation,Bus,阳刷刷,E,刷,1re1u.,捆,eP.1110,百,r:,10.,Adoption,11,.,Summary,Therefore,Profibus,Internat,i,onal,has,pub,l,i,shed,a,spec/guideline,called,PROFINET,10,Net,loa,d,“,Thus,the,Profinet,旦,主,旦,r,is,now,respons,ible,to,ensure,that,certain,network,load,lim,i,ts,are,not,exceede,d,.,。,EtherCAT Techn,。,l,ogy Group,20,1,.,Overview,2.,F,u,n,ctiona,l,Principle,3,.,Top,ology,Th,e,goa,l,s,of,th,i,s pape,r,a,r,e,Defi,niti,。,n,。,f a,unif,。,rm,behavi,。,r,f,。,r,d,e,vic,es under,diffe,r,ent netwo,r,k,loads,Defin,iti,。,n,。,f netw,。,r,k,l,oad,limits,Defin,iti,。,n,。,f appr,opr,i,a,t,e,r,eact,i,。,ns,rega,rding,th,e re,la,ted,netw,。,rk,load,l,im,i,ts,auw,2,c,一,池,一,1,s,倒,一,U,n,J,w,一,。,一,y,3,j,t,，,附,一,创,一,句,e,
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