《GBT19769.1-2005-(3)工业过程测量和控制系统用功能块第1部分：结构》.pdf

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1、免费标准下载网(www.freebz.net)GB/T19769.1-2005ALGORITHMRESETINST：（＊ResetQ，）Q：＝FALSE；ENDALGORITHMEND-FUNCTION-BLOCKFUNCTION-BLOCKE_SELECT（＊Selectionbetweentwoevents二）EVENT＿INPUTEIOWITHG;（‘Inputevent，selectedwhenG二0）EllWITHG;（＊Inputevent，selectedwhenG=1‘）END－EVENTEVENT-OUTPUTEO;（，OutputEve

2、nt*）ENDesEVENTVAR-INPUTG：BOOL;（＊SelectEIOwhenG二0，EllwhenG=1，）ENDVARECSTATESSTART；（二InitialState*）EO：一＞EO；（‘IssueOutputEvent‘）EIO；（＊EIOarrived，）Ell；（二Ellarrived，）END一STATESEC＿TRANSITIONSSTARTTOEIO：＝EIO；STARTTOEll：＝Ell；EIOTOEO：＝NOTG；EIOTOSTART：＝G；EllTOEO：＝G；EllTOSTART：＝NOTG；EOTOSTAR

3、T：＝1；END一TRANSITIONSEND-FUNCTION-BLOCKFUNCTION-BLOCKE-SPLIT（，Splitanevent‘）EVENT＿INPUTEl；（‘Inputevent‘）END－EVENTEVENT＿OUTPUTEOl；（‘Firstoutputevent二）E02；（‘Secondoutputevent,etc.‘）ENDEVENTEC＿STATESSTART；（*InitialState二）EO:（二Extensible＊）免费标准下载网(www.freebz.net)无需注册即可下载免费标准下载网(www.free

4、bz.net)GB/T19769.1-2005一＞EOl，（*Outputfirstevent‘）一＞E02；（‘Outputsecondevent,etc.‘）END一STATESECesTRANSITIONSSTARTTOEO：＝El；EOTOSTART：＝1；ENDTRANSITIONSENDLFUNCTION_BLOCKFUNCTION-BLOCKE_SR（＊Event-drivenbistable,Setdominant，）EVENTesINPUTS;（二SetEvent＊）R;（二ResetEvent＊）END一EVENTEVENTeeOUTP

5、UTEOWITHQ;（＊OutputEvent‘）ENDseEVENTVAR-OUTPUTQ;BOOL;（*CurrentOutputState*）ENDVARECeeSTATESQO；（，QisFALSE，）RESET：RESET一＞EO；（，ResetQandissueEO＊）Ql；（二QisTRUE二）NULL；（＊NoactionwhenQisTRUE二）SET：SET一＞EO；（＊SetQandissueEO，）NULO；（*NoactionwhenQisFALSE＊）ENDSTATESECeeTRANSITIONSQOTONULO：＝R＆NOT

6、S；NULOTOQO：＝1；QOTOSET：＝S&(RORNOTR)；SETTOQl：＝1；QlTONUL1：＝S＆(RORNOTR)；NULLTOQl：＝1；QlTORESET：＝R＆NOTS;RESETTOQO：＝1；END-TRANSITIONSALGORITHMSETINST：（，SetQ二）Q：＝TRUE；ENDesALGORITHMALGORITHMRESETINST：（二ResetQ‘）Q：＝FALSE；ENDesALGORITHM免费标准下载网(www.freebz.net)无需注册即可下载标准下载网(www.bzxzw.com)免费标准下

7、载网(www.freebz.net)GB/T19769.1-2005END-FUNCTION-BLOCKFUNCTION-BLOCKE_SWITCH（＊Switch(demultiplex)anevent＊）EVENT-INPUTEIWITHG;（二EventInput，）END-EVENTEVENTesOUTPUTEOO；（*Output,switchedfromElwhenG=0二）EOl；（*Output，switchedfromElwhenG=1，）ENDEVENTVAR-INPUTG:BOOL;（二SwitchEltoEIOwhenG=0,toE

8、lIwhenG=1二）ENDVAREC＿STATESSTART；（