A flow chart, or flow diagram, is a graphical representation of a process or system that details the sequencing of steps required to create output. A typical flow chart uses a set of basic symbols ...

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 ...

The standard is intended to provide sufficient information to enable anyone reading a flow diagram and having a reasonable amount of plant knowledge to understand the means of measurement and control ...