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2. Fundamental properties
The best way to concretize the definition of an API is to examine the hardware and software elements it must comprise, and how they fit together to form an operational whole.
2.1 Constituents
Regardless of whether the – controller is compact (monobloc), modular (i.e. made up of functional modules in boxes that can be plugged into a specific chassis, or as boards to be mounted in standard racks (19" rack) – it includes the elements detailed below.
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Fundamental properties
Special functions
Bibliography
Websites
École d'ingénieurs du Canton de Vaud (consulted March 2010)
GEEA (consulted February 2010)
http://www.geea.org/IMG/pdf/LES_AUTOMATES_PROGRAMMABLES_INDUSTRIELS_pour_GEEA.pdf
...Standards and norms
- UTE Automates programmables : éditée et diffusée par l'Union Technique de l'Électricité (reprend la CEI 1131 ; en anglais). - NF EN 61131 -
- Part 1: General information – It specifies program input, testing, supervision and operating system functions. - NF EN 61131-1 - (décembre 2004)
- Part 2: Equipment specifications and testing – This document specifies the requirements and associated tests for programmable...
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