【摘要】 异构总线在同一系统中并存是当前自动化领域的一个特点。本文介绍了一种基于嵌入式单片机和SPC3芯片的总线桥设计与实现,该总线桥在数据链路层上完成了PROFIBUS-DP和MODBUS通讯的数据帧转换,实现两种总线透明传输。目前,该总线桥在配料监控系统中使用,实际证明其效果良好。更多还原

【Abstract】 Nowadays,Heterogeneous Bus operated in one control system is widely used.This paper introduces the design and realization of a Field Bus bridge,which is based on embed single chip and SPC3.The Field Bus bridge implements the data transform in Data Link layer.The transmission between PROFIBUS-DP and MODBUS is transparent for user.Now,this Field bus Bridge has been operating well in a feedstuff system.更多还原