A0810 3BSE008522R1 ABB

ABB AI843 3BSE028925R1
ABB AI835 3BSE008520R1
ABB AI830A 3BSE040662R1
ABB AI820 3BSE008544R1
ABB DO890 3BSC690074R1
ABB DO840 3BSE020838R1

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当启动该对象运行时,同时也启动该定时器。若该对象的运行程序在规定的时间结束工作,发出一个工作完成信号,使该定时器清零,说明这一对象的运行程序正常;否则,属运行不正常,发出报警信号或停机信号。监控程序的梯形图如图7所示。图7中定时器T1为检测元件,X001为控制对象动作信号,

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