摘要：PROFIBUS-DP是一個日趨流行的工業現場總線協議。目前，越來越多的工業控制系統采用PROFIBUS-DP。討論了在塑料加工擠出機上引入該工業網絡，將舊系統改造為PROFIBUS系統的方法。改造后的系統結構精簡，抗干擾能力大大提高。
關鍵字：PROFIBUS-DP，現場總線，塑料擠出機

Abstract：In this paper, a method of upgrading a control system of the plastics extruder machinery from the non-FCS system to PROFIBUS-DP system, which results in hardware simplification and interference reduction, is discussed.
Keywords：PROFIBUS-DP, FCS, plastics extruder