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immediate downloadReleased: 2013-05-31
BS EN 61131-3:2013 Programmable controllers Programming languages

BS EN 61131-3:2013

Programmable controllers Programming languages

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Standard number:BS EN 61131-3:2013
Pages:234
Released:2013-05-31
ISBN:978 0 580 76605 3
Status:Standard
DESCRIPTION

BS EN 61131-3:2013


This standard BS EN 61131-3:2013 Programmable controllers is classified in these ICS categories:
  • 25.040.40 Industrial process measurement and control
  • 35.240.50 IT applications in industry
  • 35.060 Languages used in information technology
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.