1747-L541 AB 集散控制系统

IS200AEBMG1AFBIS200
IS220PPROH1A
IS220PAICH1IS220PRTDH1
IS220PTURH1A
IS200DAMDG1AIS200DAMDG1AAA
IS200EPSMG2A
IS220PAICH1AIS200STAIH1ABB
IS210AEACH1ABBIS210AEACH1A
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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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