例如,如果一个程序块中的一-个定时器被复位,该程序块四分钟不被调用(非活动的),当程序块被调用时,四分钟时间已经累积进去。如果使能输入接通且复位输入是ON,这四分钟被应用到定时器中(也就是说,CV设为4分钟)
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