This chapter reviews the IEC Sequential Function Chart (SFC) graphical language; this is the final language of the DEC languages in the set: Structured Text, Function Block Diagram, Ladder Diagram, Instruction List and Sequential Function Chart. Sequential Function Chart provides a flexible and intuitive method for graphically programming sequences of actions in a control system.

Inspec keywords: visual languages; programmable controllers; industrial control; IEC standards

Other keywords: IEC sequential function chart graphical language; SFC graphical language; ladder diagram language; industrial control system programming; structured text language; function block diagram language; instruction list

Subjects: High level languages