【摘要】 分析了企业信息管理系统存在的问题，介绍了一种现场数据采集解决方案，给出了一种基于现场总线的数据采集和管理系统，重点介绍实际应用中遇到的原有仪表接入采集系统的问题，详细给出了以ＬＥＤ及ＬＣＤ为显示输出的仪表的改造方案。更多还原

【Abstract】 The Problems of the present field-information management are introduced .A solution based on field on field-bus is proposed to overcome the problem,a issue how the old devices is applied to the new system is discussed,a rebuild method of the old device with LED or LCD to fit the solution is provided.更多还原