DS3800NOWA1K1J 仓库现货 欢迎冾谈 

IS200TRPAH2A
IS200TRPGH1A
IS200TRPGH1B
IS200TRPLH1A
IS200TRTDH1C
IS200TRTDH1D
IS200TSVCH1A
IS200TSVOH1B

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描述

当X0常开触点闭合后,第一次扫描到T0常闭触点时,它是闭合的,于是T0线圈得电,经过1s的延时,T0常闭触点断开。T0常闭触点断开后的下一个扫描周期中,当扫描到T0常闭触点时,因它已断开,使T0线圈失电,T0常闭触点又随之恢复闭合。这样,在下一个扫描周期扫描到T0常闭触点时,又使T0线圈得电,重复以上动作,T0的常开触点连续闭合、断开,就产生了脉宽为一个扫描周期、脉冲周期为1s的连续脉冲。改变T0的设定值,就可改变脉冲周期。

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