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介绍了利用89C52单片机和SIEMENS公司的SPC3芯片开发PROFIBUS-DP智能从站的设计思想,重点描述了其软硬件结构和调试过程。实践证明,这种设计方法操作简单、功能完善,可以为国产仪表的智能化提供借鉴。
This paper introduces the design thought of developing PROFIBUS-DP intelligent slave using 89C52 MCU and SPC3 chip of SIEMENS Company, and mainly describes the hardware and software structure and debugging process. Practice has proved that this design method is simple, functional, can provide reference for the intelligent domestic meter.