The hardware of the example adopts DSP motion control card self-developed, the software architecture USES COM technology, and the hardware driver program conforms to OPCspecification.
该实例的硬件采用自行开发的DSP运动控制卡，软件采用COM技术，硬件驱动程序符合OPC规范。
2
This paper briefly introduces the background of OPC technology and its data access specification.
介绍了OPC技术产生的背景以及OPC数据存取规范。
3
According to OPC data access specification, develop OPC server program using MFC and object-oriented design patterns.