Profibus-DP在毫伏信号测量智能节点中的应用  

The Application of Profibus-DP in Smart Measuring Node of mV Signal

作　　者：李正军[1] 张强[1] 韩英昆[1] 

机构地区：[1]山东大学控制科学与工程学院,济南250061

出　　处：《自动化仪表》2005年第12期31-33,共3页Process Automation Instrumentation

摘　　要：介绍了Profibus-DP现场总线的最新发展,并使用Siemens的DP协议芯片SPC3进行了DP总线硬件接口电路的设计,着重介绍了带有DP总线接口的毫伏信号测量智能节点的硬件组成、测量原理及主要程序的流程图。The latest development of Profibus - DP fieldbus is introduced. The hardware interfacing circuit of DP bus by using Siemens＇ chip based on DP protocol is designed. The hardware composition, principle of reaasurement, and main program of the smart measuring node for mV signal with interface to DP bus are presented emphatically.

关 键 词：PROFIBUS—DP总线 SPC3 ADSl216 信号测量 

分 类 号：TP336[自动化与计算机技术—计算机系统结构] TP273[自动化与计算机技术—计算机科学与技术]