Abstract

This part defines graphical symbols for binary logic and gives some rules concerning their use in circuit diagrams. Symbols given in this part shall be used for all documents and circuit diagrams concerning logic and related functions for data processing. Includes examples of association of elementary symbols. The form A symbols are in accordance with IEC Publication 617-12 and are to be preferred; the form B symbols, although currently used, are not preferred for future use.


General information

  • Status :  Withdrawn
    Publication date : 1988-03
  • Edition : 1
  • Technical Committee
    :
    ISO/TC 131/SC 5
    Control products and components
  • ICS :
    23.100.01
    Fluid power systems in general
    01.080.30
    Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation

Life cycle

A standard is reviewed every 5 years



Revisions / Corrigenda

  • Now withdrawn
    ISO 5784-1:1988

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information