DS3800NCCB1J1H

本文先容了一種基于PLC的全礦井膠帶運輸機集中監(jiān)控系統(tǒng)，該系統(tǒng)設置了現(xiàn)場控制站和一個控制主站，建立了CC-link通訊網絡，實現(xiàn)了對膠帶運輸機系統(tǒng)設備的CRT集中監(jiān)控，取得了進步生產效率、減少現(xiàn)場操縱職員、進步安全性的良好效果。 
 

         關鍵詞：PLC 集中監(jiān)控 膠帶運輸機 

         §1前言 

             煤礦膠帶機集控系統(tǒng)運行安全可靠與否直接影響礦井的經濟效益。為進步系統(tǒng)的可靠性和安全性，實施集中監(jiān)控，實現(xiàn)系統(tǒng)的綜合保護和集中監(jiān)控，是十分必要的。 

             唐山開誠電器有限責任公司生產的智能皮帶機集中控制與監(jiān)測系統(tǒng)是應用于礦山皮帶運輸自動化的高科技產品，本系統(tǒng)是以《煤礦安全規(guī)程》為依據，總結礦山運輸過程中所出現(xiàn)的事故，本著安全性高、實用性強、具有*性的特點而研制開發(fā)的新一代綜合控制系統(tǒng)。 

             集控系統(tǒng)與調度系統(tǒng)、產業(yè)電視系同一起，構成一個完整的操縱、調度、網絡，實現(xiàn)對整個系統(tǒng)的遠測、遠信、遠控。該系統(tǒng)可實現(xiàn)進步生產效率、降低事故率，減少故障處理時間、減少現(xiàn)場操縱職員、進步經濟效益。
價格好++++++++莫+++++++++++++*降價
貨期短+++++++++格++++++++++渠道好
產品好+++++++++++電++++++++*
數量多+++++++++++++氣++++++++大量庫存停產備件
售后服務好+++++++++++++！++++++質量保證 

：/，（+）
 
  整個系統(tǒng)設計在主控室配置一臺工程師站，整個系統(tǒng)合成一個項目，全局統(tǒng)一數據庫，這樣就可實現(xiàn)系統(tǒng)全局編程、調試。各系統(tǒng)間的數據交換只需要定義變量的“輸出”屬性，而不必使用OPC方式或是TCP/IP發(fā)送接收功能塊方式。但是整個網絡不允許IP重名，為此我們按區(qū)域劃分，統(tǒng)一定義IP地址，過程控制站IP地址超過15的還必須使用串口連接，超級終端來修改。zui后一定要選擇各節(jié)點“時鐘同步”。
        在項目中配置的21臺操作員站，分別成對冗余放置在各工藝區(qū)域，操作員站對應的控制器采用1：1后備方式，確保無論任何一臺操作員站的系統(tǒng)或電源故障，整個系統(tǒng)可切換到后備操作站。不影響監(jiān)控和實時操作。能夠根據屏幕分辨率顯示傳統(tǒng)的低分辨率GUI（操作員站的圖形用戶界面），也可以顯示新設計的高DS3800NCCB1J1H分辨率GUI。在高分辨率顯示屏上運行DigiVis，可以同時打開五個操作面板。而在分辨率低的傳統(tǒng)顯示屏上，則只能同時打開三個面板。
        操作管理級和過程控制級之間的通訊是通過系統(tǒng)總線DigiNetS，數據通信采用10Mb/s/100Mb/s工業(yè)以太網（遵循TCP/IP協(xié)議），根據現(xiàn)場各區(qū)域距離遠的實際情況，通信采用冗余光纖環(huán)網方式。在各節(jié)點安裝兩個工業(yè)級光纖交換機，我們采用中國臺灣MOXA EDS-408-MM-SC光纖交換機，具有兩個光口，六個RJ45口，具備“TURBO RING”（超級環(huán)網）方式。光纖環(huán)網方式已保證任一接點斷電，故障，任一段光纖中斷都不影響整個系統(tǒng)通訊，冗余光纖環(huán)網方式又增強每一接點的交換機故障的自動切換。這樣實現(xiàn)通訊接口*冗余。
        Freelance系統(tǒng)由于其展現(xiàn)的穩(wěn)定性、可靠性、靈活性等特點，贏得了宣鋼和工程師的高度信賴。本次項目中使用的Freelance系統(tǒng)，加上ABB提供的高效解決方案，將幫助高爐在投產后成為全國大型高爐達到產能zui快的高爐之一。
 
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