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- Study on Model of FF Virtual Field Device FF中虛擬現場(chǎng)設備模型的研究
- This is Virtual Fields taken to the next level. 這是下一層次的虛擬字段。
- Profibus is applied in field device layer and Industral Ethernet is adopted in network control layer. 裝置控制系統在邏輯結構上分為兩層:現場(chǎng)設備層和網(wǎng)絡(luò )控制層,PROFIBUS用于現場(chǎng)設備層,網(wǎng)絡(luò )控制層采用工業(yè)以太網(wǎng)。
- Real time data transport and distributed control between field device and control PC is realized. 實(shí)現了現場(chǎng)設備和中控微機之間的實(shí)時(shí)數據傳送和分散控制。
- Abnormal situation prevention through smart field devices. 通過(guò)靈敏的現場(chǎng)設備阻止異常情況的發(fā)生。
- In addition, both groups have agreed to consolidate the advantages of EDDL and Field Device Tool （FDT） solutions into a single standard technology. 此外，各方都已同意將EDDL優(yōu)勢和FDT解決方案鞏固到單一標準技術(shù)里。
- Last year a dozen schools went on a “virtual field trip” to Antarctica, with scientists beamed in by satellite, and a school in Birmingham has been liaising with a counterpart in Wales. 去年十二個(gè)學(xué)校的學(xué)生與通過(guò)衛星播送的科學(xué)家一道去南極洲參加了一個(gè)“虛擬之地旅行”，而且伯明翰的一所學(xué)校還與一所威爾士的學(xué)校結成兄弟院校。
- Feeders and motor control circuits for all users shall be run in above ground cable tray, with galvanized conduit for drops from the cable tray to the field device. 所有電力用戶(hù)的饋電線(xiàn)路和電動(dòng)機控制線(xiàn)路都應在架高的電纜橋架上走線(xiàn)，從電纜橋架上到現場(chǎng)裝置的引入線(xiàn)應采用鍍鋅導管。
- A report contains one virtual Fields collection for each data source in the report. 報表為它所包含的每一數據源包含一個(gè)虛擬的Fields集合。
- The easiest way to set this up is to create the Virtual Fields activity once, and then copy and paste that activity document once for every server in the cluster. 進(jìn)行這個(gè)設置最簡(jiǎn)單的方法是,一旦創(chuàng )建了Virtual Fields活動(dòng),就復制和粘貼活動(dòng)文檔到集群中的每一臺服務(wù)器。
- The Manufacturing Message Specification(MMS) technique, Field Device models and Inter-Control Center Communication Protocol(ICCP) models are explained.The characters of UCA are provided. 對制造報文規范(MMS)技術(shù)、現場(chǎng)設備模型、控制中心間的通信協(xié)議(ICCP)模型作了介紹，總結了UCA協(xié)議體系的特點(diǎn)；
- The technologies of EDDL and EDD are introduced briefly in the paper. The development and application of EDD for Profibus-DP/PA field device based on Siemens PDM software are described. 本文簡(jiǎn)要介紹了EDDL和EDD技術(shù),敘述了基于西門(mén)子PDM軟件的Profibus DP/PA現場(chǎng)設備的EDD的開(kāi)發(fā)及應用。
- By way of data monitor and analyze, found out the keyframes format of PPI protocol on Siemens S7-200 series PLC,it can be use in communication of upper computer,field device with a PLC. 通過(guò)數據監視、分析的方法,找出了西門(mén)子S7-200系列PLC的PPI協(xié)議關(guān)鍵幀格式,可用于上位機、現場(chǎng)設備與PLC之間通訊。
- The DC active filter (DAF), with very low current ripple, of the stable power supply system of high magnetic field device is developed by using the PWM and parallel active power filter technique. 摘要對穩態(tài)強磁場(chǎng)裝置電源所需的直流有源濾波器(DAF)進(jìn)行了設計，提出了利用PWM及并聯(lián)有源濾波技術(shù)的濾波方案。
- When it comes to Field Device Tools （FDT） and Device Type Managers （DTM）, Pepperl+Fuchs has been among the major driving forces to develop and establish this technology on the market. 當其成為FDT和DTM時(shí)，倍加福已經(jīng)成為市場(chǎng)上此技術(shù)的主要驅動(dòng)力量。
- PAC8000 controllers can pass HART information from smart field devices to a computer running device asset management software, allowing for remote maintenance and calibration. PAC8000控制器支持HART協(xié)議，從智能領(lǐng)域設備到計算機運行設備資產(chǎn)管理軟件，允許遠程維護和校準。
- The field artillery pounded away at the for tress. 野戰炮兵連續炮擊那座要塞。
- These children were in a state of virtual neglect. 這些孩子實(shí)際上處于無(wú)人照管的狀態(tài)。
- As a result, DTM technology has become a worldwide standard to allow fast and easy configuration of even complex field devices prior to their operation. 作為結果，DTM技術(shù)已經(jīng)成為世界標準，允許復雜的現場(chǎng)設備能夠被快速且方便的配置。
- A virtual state of war exist between the two countries. 這兩國間實(shí)際上處於戰爭狀態(tài)。
