描述
具备网络功能的PLC在这几年被炒起来,PLC目前多采用各式工业总线,如FoundationFieldbus、DeviceNet、C且也Modbus、Ethernet、Profibus及串行端口等来提供连接。而PAC不但作为分布式νo模块的中心,也可以扮演受控制者,成为现有系统的一部分,在以太网络的连接方面,PAC也比PLC要容易。
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