Communication of industry control system is related to the safety of equipment, the dependable and reliability is more important.
工业控制系统中的通讯关联着其所控制的大型设备的安全，因此对其可靠性、合理性有很高的要求。
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This paper discussed how to design a high dependable, safe and uninterrupted power supplying system for vehicle communication cabin, combining engineering examples.