IEC_61069-4-1997_cor1-1997.pdf

Publication 61069-4 de la CEI(Premire dition 1997)Mesure et commande dans les processusindustriels Apprciation des propritsdun systme en vue de son valuation Partie 4:Evaluation des caractristiques defonctionnement dun systmeIEC Publication 61069-4(First edition 1997)Industrial-process measurementand control Evaluation of system propertiesfor the purpose of system assessment Part 4:Assessment of system performanceC O R R I G E N D U M 1Page 52English text overleafRemplacer la figure C.2 existante par la figure C.2 amende suivante:E/S vers loprateurE/S systme extrieurImpri-manteDisqueInterface versSous-systmeInterface systmeloprateurdarchivageextrieurAlimen-Communi-Alimen-Communi-Alimen-Communi-tationcationtationcationtationcationRseau de busAlimen-Communi-Alimen-Communi-Alimen-Communi-tationcationtationcationtationcationRgulateurRgulateurRgulateur(redondant ou non)(redondant ou non)(redondant ou non)E/S processusFigure C.2 Modle physique gnrique dun systmePage 53Replace the existing figure C.2 by the following amended figure C.2:Operator I/OExternal system I/OPrinterDiskOperatorData storageExternal systeminterfacesubsysteminterfaceSupplyCommuni-SupplyCommuni-SupplyCommuni-cationcationcationBus networkSupplyCommuni-SupplyCommuni-SupplyCommuni-cationcationcationControllerControllerController(single or redundant)(single or redundant)(single or redundant)Process I/OFigure C.2 Generic physical system modelDecember 1997December 1997