Description
定时器K值可取510(T1为100ms定时器)。当X001=1时,被控对象运行开始,T1开始计时;如在规定的时间内被控对象的运行程序能正常结束,则X002动作,M1复位,定时器T1被清零,等待下一次循环的开始;若在规定时间没有发出被控对象运行完成的动作信号,则判断为故障,T1的触点闭合,接通M2发出报警信号或停机信号。
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