IEC 61131-3:2013 

Programmable controllers - Part 3: Programming languages

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Abstract

IEC 61131-3:2013 specifies the syntax and semantics of a unified suite of programming languages for programmable controllers (PCs). This suite consists of two textual languages, Instruction List (IL) and Structured Text (ST), and two graphical languages, Ladder Diagram (LD) and Function Block Diagram (FBD). This third edition cancels and replaces the second edition, published in 2003 and constitutes a technical revision. It includes the following significant technical changes: It is a compatible extension of the second edition. The main extensions are new data types and conversion functions, references, name spaces and the object oriented features of classes and function blocks.

Additional information

Publication typeInternational Standard
Publication date2013-02-20
Edition3.0
Available language(s)English/French
TC/SCTC 65/SC 65B - Measurement and control devicesrss
ICS25.040.40 - Industrial process measurement and control
35.240.50 - IT applications in industry
Stability date  2018
Pages464
File size3576 KB

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