【正文】 層的開發(fā)，一種網(wǎng)絡(luò)協(xié)議實(shí)現(xiàn)信息層、控制層和設(shè)備層的無縫集成一種 SOA 架構(gòu)實(shí)現(xiàn)模塊化的生產(chǎn)管理、績(jī)管理和集成，實(shí)現(xiàn)了監(jiān)控信息和管理信息的內(nèi)在集成和透明的傳輸。目前自動(dòng)化領(lǐng)域主要的發(fā)展方向是企業(yè)層和車間層的融合。 Ether Net/IP能夠完成 100ns 的時(shí)鐘同步，可以用于包括 SOE記錄在內(nèi)的高精度應(yīng)用。 PLC 網(wǎng)絡(luò)中 Profibus、 Modbus 應(yīng)用也非常廣泛。幾乎成為高可靠性的代名詞。完全用于邏輯 (順序 )控制內(nèi)存小功能單一。 D and production costs. Standard Results of a standardized programming languages. IEC611313 In the data structure, program structure, programming language and data exchange, etc. Established international standards, a new type of PLC, including reference to the DCS are marked Development potential. PLC family of work capacity from scratch. Today has been very Powerful. Through the work. Decentralized control can be achieved, reducing installation costs. To improve integration. It is precisely because this flexibility. Users can easily Build their own automated control system. Households PLC is designed for Industrial environment, therefore, reliability and strong antiinterference ability. Households P LC In the longterm applications, challenges. Almost bee a high reliability of the generation of Word. Almost all largescale sequence control, it is important to the application of PLCbody Achievable. It can be said. No household there is no modern manufacturing PLC. DCS further integration of PLC technology, the development of ACmortem (Programmable Automation Controller). PAC in the current Domestic and foreign have different definitions. PAC mentioned here is not a PC The realization of automatic control. It is not only the order of control functions can be achieved, but also The realization of process control, motion control, drive control, safety control and approved Department The rationale for such. PAC has a strong ability to connect to the work a variety of standard Prospective onsite bus. Connected to the standards, including FF and PA works, the Types of devicelevel works。為了滿足不同應(yīng)用的要求需要 PLC 本身具有很強(qiáng)的靈活 性。這里講的 PAC不是用 PC機(jī)實(shí)現(xiàn)自動(dòng)控制。但以太網(wǎng)能否一統(tǒng)天下還需要時(shí)間來驗(yàn)證因?yàn)橐环矫婺壳叭匀挥行┘夹g(shù)難題尚待解決。另一個(gè)主要趨勢(shì)是全廠統(tǒng)一的解決方案，如羅克韋爾自動(dòng)化的集成架構(gòu)西門子的 TIA等。很多工廠都有不同廠家的控 制系統(tǒng)，羅克韋爾自動(dòng)化的集成架構(gòu)能夠把這些控制系統(tǒng)全部集成起來，完成現(xiàn)場(chǎng)實(shí)時(shí)數(shù)據(jù)的采集和實(shí)時(shí)控制。因此PLC 的根基依然牢固。 GE 在新的系統(tǒng)中使用以太網(wǎng)控制I/O。其技術(shù)核 心是 CIP(公用工業(yè)協(xié)議 )協(xié)議。 PLC在長(zhǎng)期應(yīng)用中經(jīng)受了考驗(yàn)。最早的 PLC主要作用是替代繼電器。 can connect field bus standard frequency Browser, MCC (Motor Control Center). The expansion of I/O also can be connected not with the controller. AC households can Convenient and enterprise work integration, th