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Design of software for the reliability of PLC control system
Author(s): 
Pages: 21-23,27
Year: Issue:  6
Journal: Machine Tool Electric Apparatus

Abstract: 制造商在生产PLC产品时已大量运用可靠性设计,但在应用设计和安装中若不使用一些必要的措施,系统将可能出现故障,尽管PLC控制系统可靠性的关键是硬件,但软件(程序)的作用也很重要.文章从输入、输出程序、PLC通信程序的可靠性和PLC异常处理程序几个方面探讨了利用软件设计提高PLC控制系统可靠性的方法.
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