Control System Programming Languages

Abstract

The intrinsic responsibility of any control system is to control a target. This target could be a palletizer, welding cell, paintbooth, coking oven, or tube bender. These targets typically can be divided into two very different categories: discrete control and process control. The control program's function is to tell a story using the instruction set available in an organized and functional manner. Most industrial control program languages are symbolic or graphical. All programming languages are composed of things to do or commands and/or instructions. One of the major concerns in the automation industry is the learning curve associated with various vendors' programming software environments. The following are supported and defined to some degree by the IEC 61131-3 programming language standard: ladder logic or diagram, function block, sequential function chart, structured text, and instruction list.

Department(s)

Electrical and Computer Engineering

International Standard Book Number (ISBN)

978-139440217-5;978-139440218-2;978-139440219-9

Document Type

Book - Chapter

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2026 International Society of Automation, All rights reserved.

Publication Date

01 Jan 2026

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