基于DS2780的工业无线温度仪表电池计量方法  

Based on DS2780 industrial wireless temperature instruments battery measurement method

作　　者：俞士忠 

机构地区：[1]杭州钢铁集团公司转炉炼钢分厂自控站,浙江杭州310000

出　　处：《自动化与仪器仪表》2011年第4期90-93,共4页Automation & Instrumentation

摘　　要：工业无线网络WIA-PA中现场设备采用电池供电,为保证仪表设备的正常工作和数据传送的安全可靠,势必得实时监测供电电池电量消耗情况。本文给出了通过D S 2 7 8 0测量电池电量的软件和硬件接口,实际应用表明该方法简单有效,该方案为单片机应用系统的串行扩展提供了一种行之有效的参考方案,它还可以方便地移植到其它系统中。Field devices are battery powered in WIA-PA.Real-time monitoring of power consumption is necessary in order to ensure the normal operation of instrumentation and data transfer safe and secure.In this paper,the software and hardware interface of battery measurement by DS2780 is given,and the application shows that the method is simple and effective.The program provides an effective reference for the microcontroller serial extension,and it can be easily transplanted to other systems.

关 键 词：WIA-PA 1-Wire总线 电池计量 软硬件接口 

分 类 号：TP334[自动化与计算机技术—计算机系统结构]