集散控制系统通用性输入通道的设计与研究  

Design and Research of Multifunctional Analog Input Channels for DCS

作　　者：黄福彦 王卫东 乔鹏 

机构地区：[1]杭州盈控自动化有限公司,杭州311215

出　　处：《化工自动化及仪表》2011年第12期1472-1474,1484,共4页Control and Instruments in Chemical Industry

摘　　要：设计了通用性模拟量输入通道,描述了集散控制系统实现热电阻、热电偶、电流、电压和频率信号的"万能"模拟量输入通道的设计方法与原理。结果表明,新型通用性模块增加了DCS系统的可组态性与实用性,降低了用户生产与维护的成本。The analog input channels for general use were designed,including that for DCS thermal resistance, thermocouple,current,voltage and frequency signals.The application results show that the new universal modules can increase configurable performance and practicality of DCS system and can reduce production and maintenance costs.

关 键 词：模拟量输入 通用性输入 集散控制系统 

分 类 号：TH862.7[机械工程—仪器科学与技术]