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±¾ÎÄÊÇÕë¶Ô½»Á÷µç»úµÄPLCµÄ¿ØÖÆ·½·¨½øÐÐÑо¿¡£´Ë´¦²ÉÓÃFXosϵÁпɱä³É¿ØÖÆÆ÷¶ÔÆä½øÐпØÖÆ¡£±¾ÎÄÏȽéÉÜÁËPLCµÄÀúÊ·¡¢·¢Õ¹Ç÷ÊƺÍËüµÄһЩÏÔÖøÌص㣬½Ó×ÅÔÙ°ÑËüºÍ´Ë´ÎÉè¼Æ½áºÏÆðÀ´£¬ÏµÍ³µÄÉè¼ÆÖ÷Òª°üÀ¨Ó²¼þºÍÈí¼þÉè¼ÆÁ½¸ö²¿·Ö¡£Ó²¼þµÄÉè¼ÆÖ÷Òª°üÀ¨Ñ¡ÐÍ¡¢ÍâΧµç·µÄÉè¼Æ£¬¿ØÖƵç·µÄÉè¼Æ¡£Èí¼þÉè¼Æ°üÀ¨ÌÝÐÍͼ¡¢Ö¸Áî±í¡¢I/OµØÖ·µÄ·ÖÅä¡£ ¹Ø¼ü´Ê£ºPLC£»½»Á÷µç»ú£»Èº¿Ø Systematic design of control of electrical machinery of exchange on the basis of PLC ABSTRACT£ºThis project is a technological transformation project of three subsidiary factories of electrical machinery plant of Xiang Tan, this project has already passed manufacturer's technology qualification and run for 5 years reliably, unless it have electrical machinery 5 set in all system accuse of, it is for sets of starter not soft not to demand,and with when start, having manual and two kinds of automatic control methods, the essential one locks the protective measure each other, the electric control system adopts the most popular industry control device- PLC and soft starter at present, the design key to PLC control system is accuracy of movements and dependability of the system. This text carries on research to the control method of PLC of exchanging the electrical machinery. Here adopt FXos to be series variable to become controller control to their. Some remarkable characteristics that this text has introduced history , development trend and it of PLC first , then conbine it and design this time together again, The systematic design includes two parts of the hardware and software design mainly. The design of the hardware includes the designs of the selecting type , peripheral circuit, the design of the control circuit mainly. Software design includes the distribution of terraced picture , order form , I/O address. Keywords£ºPLC£»Exchange the electrical machinery£»Team control