The system control software is written by ladder diagram and system fault states can be judged and treated voluntarily.
采用梯形图编制了系统控制软件，程序能够对系统故障情况进行自动判断与处理。
With PLC checking, application of state information of PLC and PLC ladder diagram, the fault of CNC machine tool can rapidly been diagnosed accurately.
通过对可编程序控制器plc的检查，利用PLC的状态信息和PLC梯形图，可以快速、准确地判断数控机床故障。
With PLC checking, application of state information of PLC and PLC ladder diagram, the fault of CNC machine tool can rapidly been diagnosed accurately.
通过对可编程序控制器plc的检查，利用PLC的状态信息和PLC梯形图，可以快速、准确地判断数控机床故障。
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