...的介绍及安全可靠性分析--控制网 关键词： 安全PLC；安全性能等级；安全完整性；安全失效分数 [gap=170]Key words: safety PLC; Safety Integrity Level; Category; safe failure fraction ...
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At last, after taking the advantages of the present safety PLC techniques and the refined developing process, the techniques needed to implement the safety PLC software are summarized. Then, a primary solution for safety PLC is presented.
最后，结合现有的安全PLC软件技术和改进的开发过程，分析了实现安全PLC软件所需要使用的技术，并提出了安全PLC软件的初步实现方案。
参考来源 - 功能安全国际标准的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
One diet drug that has not often been linked to major safety issues is orlistat, sold over the counter by GlaxoSmithKline PLC under the name Alli.
有一个很少有重大安全性问题的减肥药是格兰素史克公司生产的or listat，商品名为alli。
Infrared ray sensor scans danger place and normal place whether there is person passing so the PLC can give correct command and safety measure.
采用红外传感器扫描危险位置和正常位置是否有人经过，以执行正确的命令和安全措施。
The structure and operation principle of a distributed data acquisition system for embankment safety monitoring based on PLC, are introduced.
介绍了一种基于可编程控制器（PLC）的分布式堤防安全监测数据采集系统的构成及工作原理。
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