PROFIBUS Electrical-Layer Solutions (Rev. A)
1IntroductionApplicationReportSLLA177A May2005 , ,suchassignalinglevels,buscapacitance,fa ulttolerance, (CH1)andB(CH2) (CMV)......................... ,whetherinprocessautomation,factoryautom ation,ormotioncontrol, ,referredtotheactuator/sensorlevel,thefi eldbusdirectlySLLA177A May2005 Level NetworksArea ControllerCell or Fieldbus NetworkHOSTCNCPCPCPLCPCFieldbus ,thefieldorcelllevel, , ,PROFIBUSwasestablishedasanationalstanda rd(DIN19245) (EN50170).PROFIBUSwasadoptedinternationa llyinIEC61158andIEC61784, ,thetermPROFIBUShasbecomeabroadterm, ,theonlyPROFIBUSapplicationwasPROFIBUSFM S(fieldmanagementsystem).Now,otherapplic ationssuchasPROFIBUSDP(1)(factoryautomat ion),PROFIBUSPA(processautomation),andPR OFIdrive(motorcontrol) ,MBP(Manchesterencodingbuspowered),TIA/E IA-485(RS-485),orRS-485IS(intrinsicsafet y) , ,onemustunderstandthephysicallayerandhow thetransceiverispartofthatlayer.
1 Introduction Application Report SLLA177A– May 2005– Revised April 2006 PROFIBUS Electrical-LayerSolutions Chris Sterzik.....
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