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分析了PLC控制系统中干扰的主要来源,从PLC的安装、电源、系统的输入/输出电路设计、软件设计等诸多方面,提出了提高系统可靠性的一系列措施。
The main sources of interference in PLC control system are analyzed. A series of measures are put forward to improve system reliability from many aspects such as PLC installation, power supply, system input / output circuit design and software design.