描述
依据PLC输入输出口状况诊断故障。在PLC控制系统中,输入输出信号的传递是经过PLC的I/O模块实现的,因而一些故障会在PLC的1/0接口通道上反映出来,这个特色为故障诊断供给了便利。假如不是PLC系统自身的硬件故障,可不用检查程序和有关电路图,经过查询PLC的I/O接口状况,即可找出故障因素。因而要了解控制目标的PLC的I/O通常状况和故障状况。
Trenton KLA-Tencor AIT 2 Single Board CPU 92-005721-XXX
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