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EN 61131-3:2013

Programmable controllers - Part 3: Programming languages EN 61131-3:2013

Publication date:   Jun 14, 2013

General information

60.60 Standard published   May 10, 2013

CENELEC

CLC/TC 65X Industrial-process measurement, control and automation

European Norm

25.040   Industrial automation systems | 35.240.50   IT applications in industry

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
EN 61131-3:2003

NOW

PUBLISHED
EN 61131-3:2013
60.60 Standard published
May 10, 2013

REVISED BY

IN_DEVELOPMENT
prEN IEC 61131-3:2023