冗余S7-400H和WinCC在选煤厂控制系统的应用.pdf

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冗余S7-400H和WinCC在选煤厂控制系统的应用pdf,冗余S7-400H和WinCC在选煤厂控制系统的应用
黑磊 赵男 40 PVC Al 50 时间/min 6 PVC AL 50C 3 4 6 PVC 6 )[M] AL PVC 2002 AL 2] [M] 1998 [3 1996 4 [M] App lication of heat transfer in natural desorp tion experim ents of coak- bed m ethane HEIL (X an b ranch, China Coal research Institu te Xi an 710054 China) A bstract By ana lysis on the experim en ta l equ im entsw ith heat transfer the paper ach eved the idealmodel of coal bed m ethane orig i nal state: The expe rm en tal result can provides the bas i for natura l deso ptin exper im ents of coat bed m ethane Key word s coal-bed m ethane natural desorption heat con ductor themal rad a tin 81 2008 SEPT Application of redundant S7-400H and w inCC in con trol system of coal preparation WANG Haitao, Sun B ng (1. XianM eilong Control+ Eng ineering Ca, Lr, Xian 710054 China 2 School of electronics and Informa tion, N orth estem Po ly techn ical Uniersity, Xi an 7 10129 China) A bstract The paper introduced the redundant contio l sys tem that nc hd ing S7-400H redundant conto ler ET200M remo te substation and redun dant fieldbus Th s sys tem can comp k tes centra lized control of a ll equipmen ts in coal prepa ration In the hst the paperanar lyzed the prob em s so tions and e ffects of th is system. Key words redundant S7-400H: redund ant ne w ork W nCC SCADA o1994-2011ChinaAcademicJournalelEctronicPublishingHouseAllrightsreservedhttp://www.cnki.net

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