CFP-DI-304 NI

3HAC038888-001 ABB
3HAC038983-001 ABB DCS
3HAC039193-001
3HAC039302-001 ABB I/O
3HAC039367-001 Washer 10X16X0.2,DIN 988 ABB
3HAC039383-001 Wire feeder chassis 4-wheel
3HAC039388-001 Plastic handle 26X50X217/188 ABB
3HAC0394-1 ABB
3HAC039602-003 ABB
3HAC039855-001 Press lever 2 KFM 4 Aluminum ABB
3HAC039997-001 ABB
3HAC040021-005 Howllow cylinder, RCH123 ABB
3HAC040024-001 Cover for lock nut ABB

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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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