336A4937ADG140 WIRES 140″ JG1 TRLY POWER

3BHL000986P700
JXD63B400
3HAC6930-1
3HAC6931-1
3HAC8277-1
3HAC6936-1
3HAC8606-1
3HAC1620-1
3HAC8207-1
3HNE00133-1

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描述

加强PLC联网通信的能力,是PLC技术进步的潮流。PLC的联网通信有两类:一类是PLC之间联网通信,各PLC生产厂家都有自己的专有联网手段;另一类是PLC与计算机之间的联网通信,一般PLC都有专用通信模块与计算机通信。为了加强联网通信能力,PLC生产厂家之间也在协商制订通用的通信标准,以构成更大的网络系统,PLC已成为集散控制系统(DCS)不可缺少的重要组成部分。

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