现场总线是一个发展热点 ,但众多的现场总线往往使生产者和用户无所适从。是否已纳入IEC标准、系统的开放性、技术能否得到有力的支持、价格是否有竞争力等已成为人们选用何种总线的主要依据。DeviceNet已成为欧洲标准 ,即将成为IEC标准。DeviceNet采用全球销售量最大的CAN芯片 ,大规模的生产必将降低成本。ODVAChina亦将提供优质的技术服务 The field bus is a hot spot of development, but numerous field buses often make producers and users know what to do. Has been included in the IEC standard, the system’s openness, the technology can get strong support, the price is competitive, etc. has become the main basis for people to choose what kind of bus. DeviceNet has become the European standard, will soon become the IEC standard. DeviceNet uses the world’s largest sales of CAN chips, large-scale production will reduce costs. ODVAChina will also provide high-quality technical services