基于Siemens S7系列PLC软件冗余配置-工控信息港_工业自动化过程控制技术信息交流平台 关键词：输煤程控系统；软件冗余系统；标志位；IEC计时器斗轮机斗轮堆取料机中速磨磨煤机 [gap=540]Keywords: Coal Conveying Control System
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简言之，在系统设计中冗余是提高可用性一个常用技术，代价是增加额外硬件(和软件)。
To make a long story short, redundancy in systems design is a common technique to increase availability at the cost of additional hardware (and software).
应用程序和系统架构师如今具备从Internet和intranet基础设施设计到多层冗余硬件和软件终端等广博的知识。
Application and system architects today have a broad base of knowledge from Internet and Intranet infrastructure designs to multi-layered redundant hardware and software backends.
采用硬件、软件冗余技术与安全输出通道，可极大地提高计算机系统的安全性能。
To appropriate hardware and software redundance technology and safety chunnel could improve the security of computer system.
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