Abstract
This part defines graphical symbols for sequencers 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 sequencers for data processing. Specifies two types of symbols for sequence function modules: type "input/output" (see annex A), and type "step/return" (see annex B).
Life cycle
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.