DS200ADCIF1ABA GE 仓库现货 欢迎冾谈 

IS200JPDLG1A
IS200JPDMG1A
IS200JPDPG1AAA
IS200JPDSG1A
IS200PRTDH1A
IS200SAMBH1A
IS200SPIDG1A
IS200SRLYH2A
IS200SRTDH2A

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描述

在工程实际中,一般输入输出设备不可能都直接与PLC连接。而且PLC的多个输入输出端子公用一个COM端,也不可能在一个端子上连接几根甚至十几根导线,所以,必须通过端子排连接。

端子排通常是由多片端子并排安装在导轨上组成的。每片端子的两个接口是短接的,根据需要可以将各片端子短接在一起。

PLC通过端子排与外围设备连接的示意图见图1所示。也可以采用编码呼应法标注各端子接线。

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