基于P89C668和串行扩展技术的智能流量积算仪  

Intelligent Flow Totalizer Based on P89C668 and Serial Expansion Technology

作　　者：辛晓宁[1] 汪滢[1] 王淑梅 

机构地区：[1]沈阳化工学院信息学院,沈阳110142 [2]山东文登职工中等专科学校,山东文登264000

出　　处：《自动化仪表》2002年第9期32-35,共4页Process Automation Instrumentation

摘　　要：介绍了一种新型流量积算仪的设计方法。通过系统分析和器件选择 ,着重论述了产品软件的设计思想 ,给出系统框图。该产品具有器件少、体积小、可靠性高、功能强等特点 ,现已投入现场使用 。A new design method for flow totalizer is introduced.Through system analysis and selection of components the design concept of software of the product is emphasized.The block diagram of the system is given.The product features less components,compact,high reliability and rich functions.The product has been put into normal operation in the field.

关 键 词：P89C668 串行扩展 智能流量积算仪 单片机 流量补偿 

分 类 号：TH814[机械工程—仪器科学与技术] TP216[机械工程—精密仪器及机械]