| 1. | The emergence and development of fieldbus urge industrial control system develop to fieldbus control system ( fcs ) from distribute control system ( dcs ) 现场总线技术的出现和成熟,促使工业控制系统由集散( dcs )向现场总线控制系统( fcs )过渡。 |
| 2. | It is a rising new science . the control system improved from the distributed control system ( dcs ) to fieldbus control system ( fcs ) Fieldbus技术是近些年随着智能传感器、计算机、网络技术,特别是大规模集成电路技术的发展而新兴起的一门科学。 |
| 3. | The paper introduces a power schedule system adopting distributed control techniques . the system is a typical distributed fieldbus control system ( fcs ) applying the hierarchical construction and communication network techniques 介绍分布式控制技术及其在电力调度系统中的应用。该系统采用层次型的结构以及通信网络技术,构成了一个具有代表性的fcs系统。 |
| 4. | Its advantage is simple frame , few cable , saving materials and fees , decrease of maintenance . this paper proposals the research in distributed control system ( dcs ) and fieldbus control system ( fcs ) and describes the progresses from dcs to pcs 本论文通过对集散控制系统( dcs )与现场总线控制系统( fcs )的研究,阐述了集散控制系统发展到现场总线控制系统的进步性。 |
| 5. | Foundation fieldbus ( ff ) is the focus of industrial control science today . the fieldbus control system ( fcs ) based on ff is replacing the distributed control system ( dcs ) in the near future 基金会现场总线( foundationfieldbus , ff )是当今自动化领域的热点,基于ff的现场总线控制系统( fieldbuscontrolsystem )逐步取代集散控制系统( distributedcontrolsystem , dcs )已成为工业界的趋势。 |
| 6. | As the fieldbus technique has been widely applied in industrial control area , the control system of new generation - - fieldbus control system ( fcs ) is becoming so advanced and practical as to produce enormous economic benefits and social benefit 随着现场总线技术在工业控制领域的不断应用,新一代控制系统? ?现场总线控制系统( fcs )也在不断地发展,并且逐渐走向实用化,带来了巨大的经济效益和社会效益。 |
| 7. | The present dissertation is based on an automation revamping project in which the latest fieldbus control system ( fcs ) and control network techniques of mitsubishi electric are adopted , in a paint - coating workshop of chang ' an automobile company , chongqing 作为近年来国际上迅速发展起来的、备受关注的控制网络新技术,现场总线是一种应用于生产现场、在微机化测量控制设备之间实现开放式、双向串行多节点数字通信的底层控制网络。 |
| 8. | The emergence of fieldbus control system ( fcs ) is a big replacing in automation realm . fcs has great superiority , but there are hundreds of kinds of fieldbuses on the market now . different fieldbus use different communication protocol , and different products made by different manufacturers ca n ' t be displaced , so it ' s difficult to expand the use of fcs 现场总线控制系统( fcs )是自动化领域的一次大的变革,有巨大的优越性,但市场上的现场总线有数百种,不同类型的现场总线采用完全不同的通信协议,不同类型厂商的产品不能相互替换,不利于现场总线广泛推广应用。 |
| 9. | The main difference between fieldbus control system ( fcs ) and traditional dcs lies on the realization of field control layer . with can field bus as the object for study , based on the research about dcs , this dissertation mainly studies the composition , communication protocol , kernelled technology and the software and hardware realization of the field control layer 现场总线控制系统与传统的集散控制系统的主要差别在于现场控制层实现,因此,本文主要针对现场控制层的实现进行研究,并以can总线为代表着重分析了fcs现场控制层的构成、通信协议、关键技术及系统的软硬件实现。 |
| 10. | Along with the growing technique of fieldbus , the traditional control system steps into a new phase , which is fieldbus control system ( fcs ) . in order to meet the requirement of local instrument by fcs , it is significant and urgent to develop a smart transmitter with fieldbus communication 现场总线技术的发展导致了传统控制系统结构的变革,形成了网络集成式全分布控制系统?现场总线控制系统( fcs ) 。针对fcs对工业底层仪表提出的新的要求,研制具有自主知识产权的全数字、网络化智能温度变送器具有重要的意义。 |