试验用监控系统数据采集方法的探讨  

The Discussion for Data Acquisition Method of Monitoring System in Testing

作　　者：刘彬[1] 李蕃[1] LIU Bin;LI Fan(Research Institute of Physical and Chemical Engineering of Nuclear Industry,Tianjin 300180,China)

机构地区：[1]核工业理化工程研究院,天津300180

出　　处：《自动化与仪器仪表》2023年第3期51-54,共4页Automation & Instrumentation

摘　　要：在试验用监控系统中,经常需要采集和显示不同类型的参数,每种参数由不同的传感器测量、输出,针对不同传感器输出的参数形式,有不同的数据采集处理方法。参数输出的形式主要分为两种:一种是以信号形式输出的模拟量和干结点类型的数字量信号;一种是以通信形式输出的参数。模拟量信号通常采用线性换算拟合公式法;干结点类型的数字量信号直接采用PLC读取地址获得数据法;通信类型的参数采用编写OPC通信程序获取数据法。文章对这几种不同方法的适用条件和场合做了介绍,通过几种方法的运用,保证监控系统数据采集的合理和准确。In the monitoring system for testing, it is necessary to collect and display different types of parameters. Different acquisition and processing methods should be adopted for these parameters, which are measured by the different sensors. The form of parameter is mainly divided into two types: one type is the signal, including analog signal and digital signal;another one is the parameter of communication type. For analog signal, the method of linear conversion fitting formula is usually used. The digital signal of dry node type is obtained by PLC. The parameter of communication type is obtained by writing OPC communication program. The paper analyses the applicable conditions and occasions of these different methods and through the using of these methods ensure the reasonability and accuracy of data collection in the monitoring system.

关 键 词：监控系统 模拟量数据采集 数字量数据采集 OPC通信程序 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]