Profibus-PA现场总线技术研究和应用

现场总线技术具有数字化、全分散性、开放性和互操作性等特点,是当今炙手可热的自动化技术.Profibus现场总线是使用最广泛的现场总线之一,其应用领域包括制造业自动化,流程工业自动化,楼宇自动化,交通电力等.通过分析对比Profibus-PA和Profibus-DP,Profibus-FMS的差异以及各自的应用范围,阐述了Profibus-PA的特点与优势;着重研究了Profibus-PA的体系架构、通信协议、接口技术等内容,并给出了工程应用实例;Profibus-PA的应用有利于提高系统的性能,降低工程造价,具有较高的性价比,是一种具有广阔应用前景的总线技术.

Research and Application of Profibus-PA Technology

Fieldbus technology is a digital, distributed,open and inter-operational technology, which is the hottest automation technology today. Now Profibus fieldbus is the most popular fieldbus in industry procedure controlling area. Its application area includes manufacturing automation, flow industry automation, building automation, traffic and electric power automation. Characteristic and advantages of the Profibus-PA based on the contrast of difference and application area between Profibus-PA with Profibus-DP and Profibus-FMS is expounds. The system construct, communication protocol and bus technology of Profibus-PA is researched and project examples are presented as well. Profibus-PA can improve the performance of systems,reduce the cost of projects and it also has a high proportion of quality and price. Profibus-PA is becoming a promising application fieldbus.