FBM261B P0927AJ FOXBORO

DSQC679 0.2mm
DDI01 ABB
DDI03 ABB
DDO02 ABB
DI524 ABB
DI610 ABB 2020
DI620 ABB 41
DI814 ABB
DLM01 ABB 2015-202025.439.7

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描述

PLC系统的通信网络中,上级的网络通信速率应大于1Mbps,通信负荷不大于60%。PLC系统的通信网络主要形式有下列几种形式:1)PC为主站,多台同型号PLC为从站,组成简易PLC网络;2)1台PLC为主站,其他同型号PLC为从站,构成主从式PLC网络;3)PLC网络通过特定网络接口连接到大型DCS中作为DCS的子网;4)专用PLC网络(各厂商的专用PLC通信网络)。

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