This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
Forms one part of four and specifies symbols which show, by detailing the components, the external connections between units of equipment. These symbols are not intended to replace the graphic symbols contained in IEC Publication 117. the diagrams may employ single line or multi-line representation and be combined with, or replaced ty tables, provided clarity is maintained. For further assistance see IEC Puplication 113 Part 5, Preparation of interconnection diagrams and tables.
Status : PublishedPublication date : 1984-06
Edition : 1Number of pages : 19
Technical Committee:Process plant documentation
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