【摘要】 针对现场总线Profibus系统的特点和要求 ,基于西门子公司的Profibus-DP智能从站开发包DevelopmentKit4 ,提出了一种从RS - 2 32到Profibus-DP的协议转换接口的设计思想及其软件硬件实现过程。通过这种接口 ,可以将具有RS - 2 32接口的传统仪器仪表设备接到Profibus总线上 ,实现与Profibus的透明数据传输。更多还原

【Abstract】 In accordance with the features and requirement of the fieldbus Profibus, the design concept and implementation of hardware and software for a conversing interface between RS-232 to Profibus-DP based on Siemens’ Profibus-DP intelligent slave station Development Kit 4 are stated. Through this conversing interface, the conventional instrumentation with RS-232 interface can be connected to Profibus to implement transparent data transmission.更多还原