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2. IEC 61131 - Wikipedia

   en.wikipedia.org/wiki/IEC_61131

   Standard IEC 61131 is divided into several parts: [3]. Part 1: General information. It is the introductory chapter; it contains definitions of terms that are used in the subsequent parts of the standard and outlines the main functional properties and characteristics of PLCs.

3. IEC 61131-3 - Wikipedia

   en.wikipedia.org/wiki/IEC_61131-3

   IEC 61131-3 is the third part (of 10) of the international standard IEC 61131 for programmable logic controllers.It was first published in December 1993 [1] by the IEC; the current (third) edition was published in February 2013.

4. Instruction list - Wikipedia

   en.wikipedia.org/wiki/Instruction_list

   Many vendors whilst incorporating the full IEC 61131-3 requirements have additional vendor specific calls/function blocks to suit their hardware such as reading or writing to I/O. Siemens PLC instruction list language is known as "Statement List" or "STL" in English, and "Anweisungs-Liste" or "AWL" in German, Italian and Spanish.

5. Programmable logic controller - Wikipedia

   en.wikipedia.org/wiki/Programmable_logic_controller

   A programmable logic controller (PLC) or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, machines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis.

6. Structured text - Wikipedia

   en.wikipedia.org/wiki/Structured_text

   Structured text, abbreviated as ST or STX, is one of the five languages supported by the IEC 61131-3 standard, designed for programmable logic controllers (PLCs). [ 1 ] [ 2 ] It is a high level language that is block structured and syntactically resembles Pascal , on which it is based. [ 3 ]

7. PDF - Wikipedia

   en.wikipedia.org/wiki/PDF

   A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [24]

8. Simatic - Wikipedia

   en.wikipedia.org/wiki/SIMATIC

   SIMATIC is a series of programmable logic controller and automation systems, developed by Siemens.Introduced in 1958, the series has gone through four major generations, the latest being the SIMATIC S7 generation.

9. Comparison of e-book formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_e-book_formats

   The EPUB format is the most widely supported e-book format, supported by most e-book readers except Amazon Kindle [a] devices. Most e-book readers also support the PDF and plain text formats. E-book software can be used to convert e-books from one format to another, as well as to create, edit and publish e-books.