DS200GASQF1AEJ GE

3HAC13960-2 ABB
3HAC14000-5 ABB
3HAC14053-1 ABB
3HAC14090-1 ABB
3HAC14140-1 ABB
3HAC14209-3 ABB
3HAC14231-4 ABB
3HAC14310-8 ABB
3HAC1443-1 ABB
3HAC14485-1 ABB
3HAC14503-1 ABB
3HAC14534-1 ABB []ABB

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描述

PLC控制系统的输入电路设计。PLC供电电源一般为AC85—240V,适应电源范围较宽,但为了抗干扰,应加装电源净化元件(如电源滤波器、1:1隔离变压器等);隔离变压器也可以采用双隔离技术,即变压器的初、次级线圈屏蔽层与初级电气中性点接大地,次级线圈屏蔽层接PLC输入电路的地,以减小高低频脉冲干扰。

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