In the process of industrial control, PLC as lower machine, PC as upper machine, transfer data through serial communication between PLC and PC has wide application. This article adopts Siemens S7-200 CPU226 as lower machine, industrial computer control system, as the computer is added.the research China used in ndfeb automatic cleaning system.

Filename	Size	Update
工业清洗系统中PLC与上位机通信设计.pdf	876799	2018-03-24

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