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IEC 61131-3

Programmable controllers – Part 3: Programming languages

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Organization: IEC
Publication Date: 1 February 2013
Status: active
Page Count: 468
ICS Code (IT applications in industry): 35.240.50
ICS Code (Industrial automation systems): 25.040
scope:

This part of IEC 61131 specifies syntax and semantics of programming languages for programmable controllers as defined in Part 1 of IEC 61131.

The functions of program entry, testing, monitoring, operating system, etc., are specified in Part 1 of IEC 61131.

This part of IEC 61131 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).

An additional set of graphical and equivalent textual elements named Sequential Function Chart (SFC) is defined for structuring the internal organization of programmable controller programs and function blocks. Also, configuration elements are defined which support the installation of programmable controller programs into programmable controller systems.

In addition, features are defined which facilitate communication among programmable controllers and other components of automated systems.

Document History

IEC 61131-3
February 1, 2013
Programmable controllers – Part 3: Programming languages
This part of IEC 61131 specifies syntax and semantics of programming languages for programmable controllers as defined in Part 1 of IEC 61131. The functions of program entry, testing, monitoring,...
January 1, 2003
Programmable Controllers - Part 3: Programming Languages
This part of IEC 61131 specifies syntax and semantics of programming languages for programmable controllers as defined in part 1 of IEC 61131. The functions of program entry, testing, monitoring,...
January 1, 1993
Programmable Controllers - Part 3: Programming Languages First Edition; (CENELEC EN 61131-3: 1993)
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References

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