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介绍了ＳＩＭＡＴＩＣＣＰ５２５通信处理器及编程软件包ＣＯＭ５２５．应用３９６４Ｒ通信协议实现了Ｓ５－１１５ＵＰＬＣ与工业控制计算机之间的实时通信，并对通信软件的编程方法进行了讨论．
Introduced SIMATICCP525 communication processor and programming software package COM525. Real-time communication between S5-115UPLC and industrial control computer is realized by using 3964R communication protocol. The programming method of communication software is also discussed.