and Definitions 7 ANSI/IEEE 803A-1983 mended Practice for Unique in Power Plants and Related Facilities- Component Function Identifiers 8 ANSI/IEEE 804-1983 (Rev1989) mended Practice for Implementation of Unique in Power Plants and Related Facilities 9 ANSI/IEEE 805-1984 mended Practice for System Identification in Nuclear Power Plants and Related Facilities 10 ANSI/IEEE 806-1986 mended Practice for Sys直em Identification in Fossil-Fueled Plants and Related Facilities 11 ISA Std S5.1-1984, Instrument Symbols and Identification 12 ANSI/IEEE C37.1-1987, IEEE Standard Definition, Specification and Analysis of Systems Used for Supervisory Control, Data Acquisition and Automatic Control 13 Power Plant Identification System (KKS ),VGB, Siemens KWU, 1995