【摘要】 采用80C51与总线协议芯片SPC3构成了一个用于面密度检测的智能从站。描述了PROFIBUS协议的结构,阐述了相关的硬件和软件设计方法,给出了硬件构成和部分源代码,实现了一个实用的PROFIBUS智能从站的设计。更多还原

【Abstract】 In this essay,we implement a intelligent slave,used to measure density,which is consisted of 80C51and SPC3 ASIC.The structure of the communication protocol of Profibus-DP was described firstly.Method of hardware and software designing was discussed next.In addition,the structure of hardware and part of code were presented.更多还原