Advertisement

Standardised PLC Functionality

  • Karl-Heinz John
  • Michael Tiegelkamp
Chapter

Abstract

The IEC not only standardises the syntax of programming languages, but even goes a step further to unify the implementation of typical PLC functions, such as timers, counters or special arithmetic operations.

The standard does this by defining typical PLC functions and function blocks and describing their behaviour exactly. These elements are known as standard functions and standard function blocks respectively. Their names are reserved keywords.

Keywords

Data Type Edge Detection Programming System Standard Function Structure Text 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

  1. [IEC 61131-3]
    IEC 61131-3 Edition 2.0 (2003-01), TC/SC 65B, Programmable controllers - Part 3: Programming languages www.iec.ch
  2. [IEC 61131-5]
    IEC 61131-5 Edition 1.0 (2000-11), TC/SC 65B, Programmable controllers - Part 5: Communications www.iec.ch

Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.ForchheimGermany
  2. 2.PyrbaumGermany

Personalised recommendations