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本文较详细地介绍了美国通用电气公司生产的GE-Ⅲ型可编程序控制器。並结合PVC聚合配料过程具体工艺要求,说明了用该控制器实现程序控制的梯形图编制方法和设计中应注意的一些技术问题。
This article describes in more detail GE-Ⅲ programmable logic controller manufactured by General Electric Company. Combined with the specific process requirements of PVC polymerization ingredients process, illustrates the preparation of the ladder diagram program control program and the design of the controller should pay attention to some technical issues.