In the face of this development trend,industrial development gradually to the direction of automation,industrial automation development,implementation,application process has to mention the PLC and DCS.from the PLC and DCS basic functions,the two do not form a strict distinction between the two.In order to make the difference between the two more clearly,a detailed analysis of the difference between DCS and PLC in the application level,in order to better and more accurate selection and application.
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