Transcription of PROFIBUS Electrical-Layer Solutions (Rev. A)
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PROFIBUS Electrical-Layer Solutions (Rev. A)
1 IntroductionApplicationReportSLLA177A May2005 , ,suchassignalinglevels,buscapacitance,fa ulttolerance, (CH1)andB(CH2) (CMV).. ,whetherinprocessautomation,factoryautom ation,ormotioncontrol, ,referredtotheactuator/sensorlevel,thefi eldbusdirectlySLLA177A May2005 Level NetworksArea ControllerCell or Fieldbus NetworkHOSTCNCPCPCPLCPCF ieldbus ,thefieldorcelllevel, , , PROFIBUS wasestablishedasanationalstandard(DIN192 45) (EN50170). PROFIBUS wasadoptedinternationallyinIEC61158andIE C61784, ,thetermPROFIBUS hasbecomeabroadterm, ,theonlyPROFIBUS applicationwasPROFIBUSFMS(fieldmanagemen tsystem).Now,otherapplicationssuchasPROF IBUSDP(1)(factoryautomation),PROFIBUSPA( processautomation),andPROFI drive(motorcontrol) ,MBP(Manchesterencodingbuspowered),TIA/E IA-485(RS-485),orRS-485IS(intrinsicsafet y) , ,onemustunderstandthephysicallayerandhow thetransceiverispartofthatlayer.(1)Decen tralizedperipheralPROFIBUSE lectrical-LayerSolutions2 SLLA177A May2005 = 5 V 5%150 2%or 220 2%VP = 5 V 5%390 150 2%or 220 2%Up to 32 Devices;Transceivers, Drivers,Receivers, or Repeaters390 390 390 (VOD)+ VOD60 375 375 (PROFIBUSTestSpecificationsforPROFIBUSDP M asters, ,November2005andPROFIBUSTestSpecificatio nsforPROFIBUSDPS laves, ,November2005).
www .ti.com High Level Networks Area Controller Cell or Fieldbus Network HOST CNC PC PC PLC PC Fieldbus Network V alve Sensor Servo I/O Introduction connects to the automation process via actuators and sensors.
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