programmable logic controllers

"programmable logic controllers"的翻譯和解釋

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例句與用法

By using optical fiber communication and information transmission based on industrial ethernet , the said system organically combines the industrial automatic control based on programmable logic controller ( plc ) with video supervison , as well as with supervision against thief and fire , having effectively realized the remote monitoring of unattended water pump stations
系統(tǒng)采用光纖通訊和基于工業(yè)以太網(wǎng)的信息傳輸，將基于plc的工業(yè)自動(dòng)控制和視頻監(jiān)控、防火防盜監(jiān)控有機(jī)地結(jié)合在一起，實(shí)現(xiàn)了對(duì)水泵站的遠(yuǎn)程無(wú)人值守監(jiān)控。
With the huge benefit for terminal users , fieldbus technology has been resulting in a great change of automation instruments , distributed control system and programmable logic controller in structure and function . however , regardless of domestic or overseas , dcs is still accepted as mainstream devices of process control , the socalled fieldbus control system ca n ' t take place of dcs right away
但是過(guò)程控制經(jīng)過(guò)50多年的發(fā)展和積累，用戶(hù)已經(jīng)在傳統(tǒng)的模擬儀表加dcs的體系結(jié)構(gòu)上投入了巨大的資金,無(wú)論國(guó)內(nèi)與國(guó)外， dcs仍是用于過(guò)程控制的主流設(shè)備，而且現(xiàn)場(chǎng)總線控制系統(tǒng)在功能上還不能完全取代已經(jīng)發(fā)展得比較完善的dcs 。
So , in order to resolve those problems above , this paper puts forward some proposals as follows : to establish the computer control system of offshore platform seawater treatment process based on dcs , the industrial programmable logic controllers ( plc ) as the local control layers of the system are applied to control distributing units of the seawater treatment process , and to develop the relevant real - time computer monitoring and controlling system applied to the central control layer to realize all - sided monitoring and controlling for the seawater treatment process , and to realize dynamic simulation . and relevant data management system is developed to realize effective data management
因此，針對(duì)該平臺(tái)水處理工藝所存在的以上問(wèn)題，本文提出了以下解決方案：為平臺(tái)的整個(gè)水處理工藝構(gòu)建基于dcs的計(jì)算機(jī)控制系統(tǒng)，其系統(tǒng)下位采用工業(yè)可編程控制器plc實(shí)現(xiàn)對(duì)過(guò)程現(xiàn)場(chǎng)的分散控制，并開(kāi)發(fā)相應(yīng)的上位實(shí)時(shí)計(jì)算機(jī)監(jiān)控系統(tǒng)實(shí)現(xiàn)對(duì)整個(gè)水處理工藝的全局監(jiān)控與實(shí)時(shí)動(dòng)態(tài)模擬，且創(chuàng)建相應(yīng)的數(shù)據(jù)管理系統(tǒng)實(shí)現(xiàn)對(duì)過(guò)程現(xiàn)場(chǎng)的工控?cái)?shù)據(jù)進(jìn)行有效管理，為平臺(tái)水處理工藝的靜態(tài)最優(yōu)化生產(chǎn)獲取資料依據(jù)。
An engineer case is introduced , which is about " the reconstruction of high voltage fan ' s speed - adjusting by frequency conversion and the design of plc ( programmable logic controller ) control system in shui cheng iron and steel company " . in this project , an advanced controlling technology , based on the method in this paper , is used to realize the closed loop control of discharge header pressure of two coke ovens
介紹“水鋼煤焦化公司鼓風(fēng)機(jī)高壓變頻調(diào)速及系統(tǒng)plc控制改造”的工程概況，對(duì)煤氣鼓風(fēng)機(jī)采用先進(jìn)的變頻調(diào)速技術(shù)和計(jì)算機(jī)控制技術(shù)進(jìn)行改造，實(shí)現(xiàn)對(duì)兩座焦?fàn)t集氣管壓力自動(dòng)調(diào)節(jié)的閉環(huán)控制功能，既滿足了煤氣量的自動(dòng)調(diào)節(jié)的要求，又避免了煤氣鼓風(fēng)機(jī)出口閥門(mén)的節(jié)流調(diào)節(jié)，節(jié)能效果相當(dāng)可觀。
This paper apply the programmable logic controller which is widely used in industry in old control system of hydraulic table , and use the industry control software to gain the pressure , flux and speed of the experiment , and control the pressure or flux , and portray the curve of experiment
基于此，本課題運(yùn)用現(xiàn)在工業(yè)控制技術(shù)廣泛使用的可編程控制器來(lái)構(gòu)成原教學(xué)實(shí)驗(yàn)臺(tái)控制系統(tǒng)，并結(jié)合工控軟件mcgs對(duì)實(shí)驗(yàn)所需的壓力、流量和速度進(jìn)行采集和控制，自動(dòng)改變實(shí)驗(yàn)回路中的壓力或流量，得出實(shí)驗(yàn)所需的曲線，實(shí)現(xiàn)整個(gè)實(shí)驗(yàn)臺(tái)的自動(dòng)控制。
Two abb frequency converters and a siemens programmable logic controller ( plc ) are with the lower - level computer and industry computer are with the host computer . the communication between with the host computer and low - level computer not only translate the system condition , but also send the control instruction . the system condition is shown with chinese window in the host computer , and the constant stress function is realized through the frequency converter part
2臺(tái)變頻器和plc作為下位機(jī)設(shè)備，工控機(jī)作為上位機(jī)集中控制，上下位機(jī)之間通過(guò)通訊，把系統(tǒng)當(dāng)前狀態(tài)、當(dāng)前給定通過(guò)上位機(jī)來(lái)綜合判斷，并通過(guò)上位機(jī)以漢化界面形式予以顯示，而下位機(jī)的變頻部分則實(shí)現(xiàn)管網(wǎng)的恒壓功能， plc實(shí)現(xiàn)4臺(tái)水泵機(jī)組邏輯控制和定期巡檢，及部分故障綜合報(bào)告。