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ＯＰＣ 技术是ＯＬＥ 技术在过程控制中的应用，它为开发应用程序的不同厂商提供了一项共同遵循的通信标准，从而大大减少了在系统集成过程中的重复开发，并提高了控制系统的性能。ＯＰＣ 代表了今后一段时间内过程控制系统通信标准的发展方向。
OPC technology is the application of OLE technology in process control. It provides a common communication standard for different vendors who develop applications, thus greatly reducing the repeated development during system integration and improving the performance of the control system . OPC represents the future development of process control system communication standards.