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COMMUNICATION PRINCIPLE AND APPLICATION OF S7-200 SERIES PLC IN DISTRIBUTED CONTROL SYSTEM
Author(s): 
Pages: 33-36
Year: Issue:  6
Journal: DAM OBSERVATION AND GEOTECHNICAL TESTS

Keyword:  PLC分布式控制系统PPI通信现场总线组态软件;
Abstract: 本文结合工程实例介绍了S7-200系列可编程控制器的功能和特点;讨论了用工业控制计算机、可编程控制器以及单片机组成的分布式控制系统在闸门实时监控系统中的应用,并详细分析了上、下位机之间的通信方式及其功能的具体实现.
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