描述
积算定时器具有计数累积的功能。在定时过程中如果断电或定时器线圈OFF,积算定时器将保持当前的计数值(当前值),通电或定时器线圈ON后继续累积,即其当前值具有保持功能,只有将积算定时器复位,当前值才变为0。
(1)1ms积算定时器(T246~T249)共4点,是对1ms时钟脉冲进行累积计数的,定时的时间范围为0.001~32.767s。
(2)100ms积算定时器(T250~T255)共6点,是对100ms时钟脉冲进行累积计数的定时的时间范围为0.1~3276.7s。
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