07KR31 ABB

MPL-B540K-SJ24AA
TSXPBY100
CI858K01
PR9268/203-000
3HNE00313-1
0005-4050-430
PFEA112-20
PTQ-PDPMV1
1FK7105-5AC71-1EH0
1FK7105-5AC71-1EH0
3BSE042235R2

分类:

描述

根据PLC的安装方式,系统分为集中式、远程I/O式和多台PLC联网的分布式。集中式不需要设置驱动远程I/O硬件,系统反应快、成本低。大型系统经常采用远程I/O式,因为它们的装置分布范围很广,远程I/O可以分散安装在I/O装置附近,I/O连线比集中式的短,但需要增设驱动器和远程I/O电源。多台联网的分布式适用于多台设备分别独立控制,又要相互联系的场合,可以选用小型PLC,但必须要附加通信模块。

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