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ÕªÒª£º±¾ÎĽéÉÜÁ˽»Á÷Ë«ËÙµçÌÝÔÚÆ߲㽨ÖþÖеŤ×÷¹ý³Ì,PLC¿ØÖÆϵͳµÄÓ²¼þ¼°Èí¼þ£¬×ÅÖØ·ÖÎöÁ˵çÌݵÄ×Ô¶¯Æ½²ã¡¢¿ª¹ØÃÅ¡¢Æ½²ã¡¢²ãÂ¥ÏÔʾµÈÌÝÐÎͼµÄÑо¿¡£Ëæ×ÅÎÒ¹ú¾­¼ÃµÄµÄ¸ßËÙ·¢Õ¹£¬Î¢µç×Ó¼¼Êõ¡¢¼ÆËã»ú¼¼ÊõºÍ×Ô¶¯¿ØÖƼ¼ÊõÒ²µÃµ½ÁËѸËÙ·¢Õ¹£¬µçÌݼ¼ÊõµÄ¿É¿¿ÐÔÔ½À´Ô½¸ß£¬ÒѾ­½øÈëÁËÒ»¸öոеÄʱ´ú£¬ÆäÓ¦ÓÃÔ½À´Ô½¹ã¡£µçÌÝ×÷ΪÏÖ´ú¸ß²ã½¨ÖþµÄ´¹Ö±½»Í¨¹¤¾ß£¬ÓëÈËÃǵÄÉú»î½ôÃÜÏà¹Ø£¬Ëæ×ÅÈËÃǶÔÆäÒªÇóµÄÌá¸ß£¬µçÌݵõ½ÁË¿ìËÙ·¢Õ¹£¬ÆäÂß¼­¿ØÖÆÒ²ÓÉPLC´úÌæÔ­À´µÄ¼ÌµçÆ÷¿ØÖÆ¡£µçÌݲÉÓÃÁËPLC¿ØÖÆ,ÓÃÈí¼þʵÏÖ¶ÔµçÌÝÔËÐеÄ×Ô¶¯¿ØÖÆ£¬¿É¿¿ÐÔ´ó´óÌá¸ß¡£¿ØÖÆϵͳ½á¹¹¼òµ¥£¬ÍⲿÏß·¼ò»¯¡£ÁíÍâ¿É·½±ãµØÔö¼Ó»ò¸Ä±ä¿ØÖƹ¦ÄÜ¡£Ò²¿É½øÐйÊÕÏ×Ô¶¯¼ì²âÓ뱨¾¯ÏÔʾ£¬Ìá¸ßÔËÐа²È«ÐÔ£¬²¢±ãÓÚ¼ìÐÞ¡£ ±¾ÎÄÔÚʹÓÃÉÙ²¿·Ö½Ó´¥Æ÷µÄ»ù´¡ÉÏ£¬²ÉÓÃPLC¶ÔµçÌݽøÐпØÖÆ£¬Í¨¹ýºÏÀíµÄÑ¡ÔñºÍÉè¼Æ£¬Ìá¸ßÁ˵çÌݵĿØÖÆˮƽ£¬²¢¸ÄÉÆÁ˵çÌÝÔËÐеÄÊæÊʸУ¬Ê¹µçÌÝ´ïµ½Á˽ÏΪÀíÏëµÄ¿ØÖÆЧ¹û¡£ ¹Ø¼ü´Ê£º½»Á÷Ë«ËÙµçÌÝ ¿É±à³Ì¿ØÖÆÆ÷ ¿É¿¿ÐÔ ¼ÌµçÆ÷ ÌÝÐÎͼ Seven layer building elevator control system design Abstract:This text introduced the exchanges a work for soon elevator process, the PLC controls hardware and softwares of the system, emphasizing to analyze the floor manifestation trapezoid diagram along with the technical development in science.Along with our country the economic high speed develops, the micro-electronics technique, calculator technique also got with automatic control technique quick development, elevator technique already enter a brand-new ages, its application more and more wide.Elevator conduct and actions modern high architectural and perpendicular pileup, is close and related with people life, along with people as to it's the exaltation that request, the elevator got fast development, its logic control too from PLC replace originally of control after the electric appliances.The elevator adopted the PLC controls, realizes with the software the automatic control to circulate to elevator, the dependable increases consumedly.The control system construction is simple, exterior circuit simplification.Can increase or changes the control function expediently moreover.Also can proceed the breakdown automatic examination with report to the police the manifestation, increase movement safety, and the easy to fix. This text in thering has been in general use to change the foundation of the machine of adoption the PLC proceeds the control to the elevator, passing the reasonable choice with design, increasing the control level of the elevator, and improve comfort that elevator circulate feels, making the elevator come to a the ideal control result. Key phrase:The exchanges double is soon the programmable controller in elevator dependable after the electric appliances trapezoid diagram. Keywords: alternating current twin speed elevator PLC ladder shaped diagram Reliability