A variety of liquid mixture stirring is suitable for the oil refining, chemical, pharmaceutical and other large and medi-um-sized industry, this paper introduces a kind of the Siemens PLC-200 for the software programming for the design of a varie-ty of automatic liquid hybrid control, illustrates the principle diagram of hardware design and software design and implementation of dynamic monitoring and configuration picture. As a result, production is moving toward high quality, low cost, product upgra-ding direction quickly.%多种液体混合搅拌适用于炼油、化工、制药等大中型行业中，介绍了一种采用西门子PLC-200进行软件编程进行多种液体自动混合控制的设计，说明了硬件设计和软件设计的原理图，以及用组态画面实施动态监控。产品生产正朝着高质量、低成本、产品迅速更新换代的方向发展。
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