怎样选择安全 PLC_汽车设计与制造资讯-造车网 关键字 安全PLC，冗余结构，生命周期成本，利润率[gap=292]KEYWORDS Safety PLC, Redundant Architecture, Lifecycle Cost, Benefit-to-Cost Ratio
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采用了合理的冗余结构，提高了系统的可靠性。
Also it's rational redundant structure improves the dependability of the system.
设计中采用双模冗余结构，给出了故障检测的软件程序框图。
Double mode redundancy structure can be used in the design. The author gives the software program diagram of fault checking.
为加强结构强度或减少冗余结构部分提供了有力的设计依据。
It is helpful to reinforce or reduce redundant part of the wrench handle.
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