描述
介紹了美國A-B SLC505可編程序控制器(PLC)和上位機監(jiān)控軟件RSview系統(tǒng)的應用。給出了一種經濟、可靠、易于維護的控制系統(tǒng)方案,闡述了控制系統(tǒng)的結構和控制功能的實現(xiàn)。
關鍵詞:PLC;在線切換;上位機;自動停車保護;脈沖振打
Abstract This article introduced application of A-B SLC505 Programmable Logic Controller and RSview software on petrol-coke transit system in carbon plant of one aluminium company.The article shows the structure and successful use of this control system which has proved to be economic,reliable and easily for maintenance.
Key words PLC;online switch;Host computer;Auto-stop protection;Pulse beate.
引言
隨著工業(yè)企業(yè)自動化技術的發(fā)展,PLC(Programmable Logic Controller,又稱可編程控器),以其可靠性、靈活性、優(yōu)良的性能價格比、使用方便等特點在工業(yè)控制領域迅猛發(fā),得到了越來越廣泛的應用。
石油焦是鋁電解用碳素陽極生產的主要原料。石油焦轉運系統(tǒng),是把貯存在倉庫中的石油焦,經過破碎篩分處理成滿足煅燒需要的原料,輸送到煅前料倉。由于該系統(tǒng)邏輯控制點多、自動化程度高、上下游設備間關聯(lián)度大,所以選用PLC進行自動控制,并設立上位機進行全系統(tǒng)監(jiān)控。本文著重討論PLC在系統(tǒng)中控制功能的實現(xiàn)和上位機監(jiān)控界面的開發(fā)。
1工藝介紹
石油焦轉運站系統(tǒng)主要由天車抓料系、破碎篩分系、提升系、分料輸送系、收塵系組成。用來滿足煅燒窯系統(tǒng)煅前日用料倉物料供給。主要抓料天車、調速皮帶、破碎機、篩分機、輸送皮帶、斗式提升機、分料擋板等設備組成。其中破碎篩分系、提升系是兩套系統(tǒng),破碎篩分系統(tǒng)可以一備一用,也可以同時工作;提升系實現(xiàn)設備一備一用。
歐美品牌停產的,常用的“PLC”備品備件
我司產品應用于以下領域:
1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》
2,《智能平鋼化爐系統(tǒng)制造》
3,《PLC可編程輸送控制系統(tǒng)》
4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》
6,《化工廠藥液恒流量計算機控制系統(tǒng)》
7,《電氣控制系統(tǒng)》造紙,印染生產線,變電站綜合自動化控制系列
本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機器人系統(tǒng)配件,大型伺服系統(tǒng)備件。
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