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现场总线技术已经在包括电力系统的各个领域得到了广阔的应用。本文由数字电力系统引入了现场总线的概念,并加以阐述。列举了一个在电力系统中实际采用的CAN总线的例子,并对CAN总线的特点加以描述。最后,简要介绍了现场总线的发展方向。
Field bus technology has been widely used in various fields including power system. This paper introduces the concept of fieldbus from digital power system and expounds it. An example of a CAN bus actually used in a power system is given and the characteristics of the CAN bus are described. Finally, it briefly introduces the development of fieldbus.