摘要
文章以InTouch组态软件和西门子S7-300系列PLC组成的硫化氢监控系统为工程背景,基于组态软件与PLC两者数据之间的传递以及访问关系,介绍了其通过OPC技术实现组态软件和下位机通信的原理及过程。
Taking the hydrogen sulphide monitoring system composed by the configuration software InTouch and Siemens S7-300 PLC for example,based on the relationship when transferring and visiting data between the configuration software and PLC.It is introduced in this paper that principle and process of achieving the communication between the configuration software and lower level computer by OPC.
出处
《仪表技术》
2011年第7期4-6,共3页
Instrumentation Technology
