R911281275 REXROTH

DS200GHDQF1AAH GE
DS200GHDQF1CBC GE PLC
DS200GHDQF1CBD GE I/O
DS200GHDQF1CBE GE
DS200GHDQF1CBF GE PLC
DS200GHDQF1CBG GE RAM
DS200GHDQF1CBH GE PLC
DS200GLAAG1A GE PLC

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描述

使用继电器电路或PLC的梯形图可以实现开关量的逻辑运算。图1—4的上面是PLC的梯形图,梯形图中某些编程元件(如输出继电器和辅助继电器)的线圈“通电”时,其常开触点闭合,常闭触点断开,称该编程元件为1状态。当它们的线圈“断电”时,其常开触点断开,常闭触点闭合,称该编程元件为0状态。

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