Profibus 现场总线的发展势头十分良好。截至目前,在全球安装的节点数已经超过了2000万个,这比预计的时间要提前了许多。从过去几年Profibus 节点数字不断变化的曲线中我们可以很容易看出,其增长趋势一直都非常良好,而且比其他任何一种在工厂自动化、过程自动化应用的现场总线都拥有更多的安装节点。从过去一贯的发展状况我们也可以很容易推断这种现场总线的发展前景:在经济和工业不断发展的未来,Profibus依然会不断地增长,在前行的道路上展现出一片光明。 Profibus field bus development momentum is very good. As of now, more than 20 million nodes have been installed globally, much earlier than expected. From the curves of the Profibus node numbers in the past few years, we can easily see that the growth trend has been very good all the time and has more mounting nodes than any other fieldbus in factory automation, process automation applications . From the past history, we can easily deduce the development prospect of this fieldbus: Profibus will continue to grow and show a bright future on the road ahead in the economic and industrial future.