【摘要】 为实现污水含油在线监测系统“多点分布监测、数据集中管理”的要求,结合现场仪表的自身特点提出一种基于RS485总线的模块化设计方案,该方案有效地解决了现场仪表在实时监测、组网要求、系统抗干扰等方面存在的问题。现场运行结果证明了该方案的可行性。更多还原

【Abstract】 In order to meet the needs of the system of on-line monitoring oil-content in sewage "distributed monitoring and centralized managing data " , a blocking design method based on the RS485 bus is presented, combined with the characteristics of the actual meters. The presented method can solve the problems of actual meters in the aspect of online-monitoring, networking etc. And its validity is proved in the practice.更多还原