How to develop the gate control system by OPC technology is discussed. Basic knowledge about OPC and its advantages in applying to control software are introduced.Meanwhile approaches and procedure on how to develop OPC customer program are given by VB language according to project cases.%主要介绍了如何利用OPC技术进行闸门监控系统的开发。介绍了OPC技术的基础知识以及OPC技术应用于监控软件的一些优点,同时,结合工程实例给出了利用VB语言开发OPC客户端程序的一般方法和步骤。
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