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Programmable logic controllers

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1 Author(s)
Erickson, L. ; Dept. of Electr. Eng., Missouri Univ., Rolla, MO, USA

Programmable logic controllers (PLCs) are at the forefront of manufacturing automation. Many factories use programmable logic controllers to cut production costs and/or increase quality. PLCs and their unique language, ladder logic, are the workhorses of factory automation. Higher-level languages, such as sequential function charts and function blocks, ease the programming task for large systems. However, ladder logic remains the dominant language at present

Published in:

Potentials, IEEE  (Volume:15 ,  Issue: 1 )