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).
Status : WithdrawnPublication date : 1989-08
Edition : 1
Technical Committee:Control products and components
A standard is reviewed every 5 years
Revisions / Corrigenda