【摘要】 针对PLC控制系统的工作特点,详细分析了系统的检查内容及维护方法,在此基础上,探讨了PLC的故障诊断类型及诊断流程,着重阐述了输入、输出通道的故障诊断方法,最后根据故障现象,分析了故障产生的原因,详细论述了故障处理方法。更多还原

【Abstract】 The check items and the maintenance methods were analyzed on the base of the PLC control system. Furthermore, the fault diagnosis pattern and diagnosis flow were researched and the diagnosis method was described especially for the input and output channels. Finally the reason causing fault and its solving method was analyzed更多还原