IS200PSCDG1A GE

3HAC4435-1 ABB
3HAC4520-1 ABB
3HAC4591-1 ABB
3HAC4643-1 ABB
3HAC4705-1 ABB
3HAC4738-10 ABB
6 3HAC4738-36 ABB []ABB
3HAC4772-13 ABB ABB
3HAC4803-2 ABB
3HAC4832-2 ABB

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描述

某些输入信号不进入PLC系统中有些信号功能简单、涉及面窄,如图6中的手动按钮、过载保护的热继电器触点等,有时就没有必要作为PLC的输入,将它们设计在PLC外围的硬件电路中同样可以满足控制要求。如果外部硬件电路过于复杂,则应考虑仍将有关信号送入可编程序控制器,

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