PLC widely used, powerful, easy to use, has been widely used in a variety of mechanical equipment and production process of automatic control system, PLC in other areas, such as civil and domestic automation applications have also been rapid development. PLC is still in continuous development, its function is also constantly enhanced, more open, it is not only the most widely used single automation control equipment, in large-scale industrial network control system also occupies an unshakable position. PLC widely used, high popularity, is other computer control equipment can not be compared.
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