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0引言PROFIBUS是一种国际化、开放式、不依赖于设备生产商的现场总线标准,具有高速、安全、通用性好等特点,已经成为工业控制领域应用最为广泛的现场总线标准。PROFIBUS总线家族包括PROFIBUS-DP、
0 Introduction PROFIBUS is an international, open, field device that does not rely on equipment manufacturers standards, with high speed, safety, versatility and other characteristics, has become the most widely used Fieldbus industry control standards. PROFIBUS bus family includes PROFIBUS-DP,