This subcommittee will utilize symbols ... while process flow diagrams (PFDs) are well understood by that name, piping and instrument diagrams (P&IDs) may exist under various other names or variations ...

A flowchart is a diagram of a process, using standard symbols to represent a variety ... It later was introduced into many ...

The 2024 revision of this standard changed the title from Instrumentation Symbols and Identification to Instrumentation ... report on instrumentation and control content of process flow diagrams (PFDs ...