面向對象的PLC上位機軟件平臺設計
Design of Object-oriented PLC Host Computer'S oftwareP latfor

摘要:通過介紹PLC上位機軟件中常見的狀態查看器的設計，以MODBUS協議為例，分析了一個統一、可擴展的PLC上位機開發平臺在開發過程中可能遇到的問題，討論一種可行的上位機通用組件的設計思想，并提出了可行的解決方案。充分利用net等現代
開發語言平臺和面向對象設計思想的優勢，實現上位機平臺的可配置、可重用、可擴展、低禍合、通用性。
關鍵詞:調度算法上位機工業以太網藕合軟件組件化

Abstract; By introducing the design of common state viewer in the PLC host computer software, with the MODBUS protocol as example, the possible encountered problems in developing a uniform extensible host computer software platform for PLC， analyzed; a feasible design concept for host computer universal component is discussed; and a feasible solution is proposed in further. By fuly utilizing the advantages of.net modern developing language platform and object-oriented design concept, the configurable, reusable, extensible, low coupled, and universal host computer software for PLC can be implemented.