The core of the control system of soft water treatment is a programmable logic controller ( plc ) 軟水處理控制系統(tǒng)的核心是可編程序控制器( plc ) 。
The control system has been carried into execution by the use of programmable logic controller ( plc ) 在系統(tǒng)中,硬件采用技術比較成熟的可編程邏輯控制器。
In the modern control field , the programmable logic controller ( plc ) and can - bus technology have been applied abroad 在現(xiàn)代控制領域中,可編程控制器( plc )和現(xiàn)場總線技術都得到了廣泛應用。
The programmable logic controller ( plc ) is dealt with in terms of application of engineering and the practice in the sampling control system of coal conveyer 摘要從工程應用的角度,簡述了可編程序控制器( plc )在實際的輸煤采樣控制系統(tǒng)中的具體應用。
Programmable logic controller ( plc ) is a kind of control system which bases on the processor and possesses comprehensive functions such as boolean calculation , control and network 可編程邏輯控制器是以處理器為中心,同時具有各類邏輯運算、控制、網(wǎng)絡等綜合功能的控制系統(tǒng)。
Programmable logic controller ( plc ) was developed in 60 ' s 20th , and was the ideal control equipment in industry automatization as which known the first of three main pillar of advanced country 可編程序控制器,簡稱plc ,是20世紀60年代發(fā)展起來的被國外稱為“先進國家三大支柱”之首的工業(yè)自動化理想控制裝置。
As a very important basic equipment , programmable logic controller ( plc ) is called one of the three major pillars in automation industry . plc plays more and more important role in the field of industry manufacture 可編程控制器作為目前工業(yè)自動化的重要基礎設備,被稱為“工業(yè)自動化三大支柱性產(chǎn)業(yè)之一” ,在各工業(yè)生產(chǎn)領域發(fā)揮著愈來愈大的作用。
Thirdly the article introduces situation of longdong hydro plant and its program design , then introduces the most featured hardware - - programmable logic controller ( plc ) , which satisfied the users with its high reliability and flexibility 文中還介紹了龍洞電廠的實際情況和據(jù)此所作的規(guī)劃設計,介紹了本系統(tǒng)中最具特色最為核心的硬件基礎? ?可編程序控制器。
The key points of this paper include the design of software and hardware of the system , and the realization of automatic control function . the monitoring and controlling system adopts a total distributed control system ( dcs ) constituted by a programmable logic controller ( plc ) . a computer ( pc ) and thermal power engineering signal sensors , sender , controller , etc 本項研究中采用可編程控制器( plc )作下位機、工業(yè)控制計算機( pc )作上位機與熱工參數(shù)測量傳感器、變送器、操作控制器等組成集散型控制系統(tǒng)( dcs ) ,自動監(jiān)測三聯(lián)產(chǎn)試驗臺的各運行參數(shù),并對試驗臺實行自動控制與調(diào)節(jié)。
On the basis of the development of field bus in automatically control domain , consulting the characteristic of advanced foreign dredging technology , aiming at the lower automatization level of domestic dredger , this paper introduces a cutter suction dredger monitoring system based on programmable logic controller ( plc ) field network 本文根據(jù)自動化控制領域中的現(xiàn)場總線技術的發(fā)展情況,結合國外先進的挖泥船技術的特點,針對目前國內(nèi)挖泥船較低的自動化水平,提出了一種基于plc現(xiàn)場網(wǎng)絡的絞吸式挖泥船監(jiān)控系統(tǒng)。