Profibus

[ pdf ] INTRODUCTION TO PROFIBUS DP

Download 860 times Topic under Profibus Source: www.kelburn.net File size: 213.3 KB File type: pdf Last download on: Wed Jun 19, 2013 01:31:04 AM Short Desciption: Introduction To ProfiBus DP Summary: ABOUT PROFIBUS.…………………………………………… 3 PROFIBUS DP SLAVE STATE MACHINE..………………… 7 Power ON/Reset State………………………………….. 7 Parameterization State…………………………………. 7 I/O Configuration State…………………………………. 7 Data Exchange State……………………………………. 8 Fail Safe Operation…………………..………………….. 8 Watchdog……………………………..………………….. 9 GSD FILES……………………………………………………… 10 REQUIRED SOFTWARE…..………………..………………… 13 TYPES OF TRANSMISSION………………..………………… 14 SRD Send and Request Data w/Acknowledge…….. 14 SDN Send Data w/No Acknowledge………………….. 14 PROFIBUS DP DATA CHARACTER FORMAT……………. 14 ProfiBus Data Error Checking………….…………….. 15 PROFIBUS TELEGRAM STRUCTURE…………………….. 15 Start Delimiter……………………………………………. 16 Length Of Telegram…………………………………….. 18 Destination Address & Source Address…………….. 18 Function Code Or Frame Control…………………….. 18 Service Access Points………………………………….. 19 Data Unit………………………………………………….. 19 Frame Check Sequence………………………………… 19 End Delimiter…………………………………………….. 20 DP COMMAND FUNCTIONS…………………………………. 20 Function Status………………………………………….. 20 OPERATING STATES AND APPLICABLE FUNCTIONS.... 21 Initial Power ON/Reset………………………………….. 21 Set_Slave_Add Telegram………………………… 22 Parameterization……..………………………………….. 23 Set_Prm Telegram…………………………………. 24 I/O Configuration……..………………………………….. 26 Chk_Cfg Telegram…………………………………. 26 Get_Cfg Telegram…………………………………. 27 Diag_Data Telegram………………………………. 27 Data Exchange State..………………………………….. 33 Data_Exchange Telegram……..…………………. 33 Read_Inp Telegram……..…………………………. 33 Read_Outp Telegram…………..…………………. 34 Global_Control Services..……..…………………. 34 Use Of Freeze..……..……..…………………. 35 Use Of Sync/Unsync.……..…………………. 35 BUS TIMING………………….…………………………………. 36 Bookmark or share this info on Google+ and leave comment at below :

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