现场总线应用的必要性及选择

The Necessity of Fieldbus Application and Its Selection

介绍了现场总线的定义并概述了现场总线技术的特点。对现场总线技术相对传统DCS控制技术在投资、仪表调校、备品备件需求以及更先进的企业资产管理等方面的优势进行了详细的论述。简要介绍了现场总线技术在中国的应用实例和应用前景。详细介绍了FF,Profibus,DeviceNet,AS-interface四类市场主流的现场总线技术,及其不同特点,指出其最佳的应用场合,并提出了现场总线技术方案选择的方法。

The definition of fieldbus is introduced. The characteristics of the technology are summarized. The fieldbus technology is compared to the traditional DCS control technology with investment, instrument calibration, requirement of spare parts and enterprise resource management etc. in detail. The application practice of the fieldbus technology in China and its application expectation is introduced. The FF, Profibus, DeviceNet and AS-interface four main streams of the fieldbus technology and their different characteristics are introduced in detail. The optimum application field is pointed out and the method for selection of fieldbus technology scheme is proposed.