摘要
本文对本质安全现场总线设备的供电方式做了详细比较,包括隔离供电、集中式供电和总线供电,讨论和分析了常用总线供电仪表的能量获取方式和信号传输原理,这为特定场所的现场总线系统供电方案的选择提供了有益的参考。
This paper has mode the detailed comparison to the power supply method of intrinsically safe fieldbus equipment, including isolation supply power, concentration supply power and bus-powered. Have analysed the energy supplying and signal transmission principle of fieldbus, it offered beneficial reference for choising the power supply method in specific fieldbus system.
出处
《微计算机信息》
北大核心
2005年第12S期167-169,共3页
Control & Automation
基金
宁波市科技攻关计划项目(N0:2002B10002)