使用S7-200系列可编程序控制器（PLC）代替原来的继电器控制逻辑，实现了配料的自动控制。
Substitutes S7-200 series of PLC for relay control logic, realizes the automatic control for batching.
本产品采用氟利昂压缩机组，以F - 12作制冷剂，并装有压力继电器与温度调节器自动控制。是制造汽水、汽酒的配套设备。
The tank contains compressor using freon F-12 as refrigerant, and temperature regulator for automatic controlling. It is necessary equipment for aerated water and sparkling sine production industry.
本文介绍接近开关传感器与PLC的控制相连接而组成的自动控制系统，它取代操作繁琐的电器继电器控制系统，实现造纸圆筒换卷过程的自动控制。
This paper introduces the autocontrolling system composed with proximity sensor and PLC, this system is instead of relay controlling complicated system to realize cylinder changing automatically.
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