¸õÌúºÏ½ðÖ÷ÒªÓÃ×÷Á¶¸Ö¹¤ÒµµÄºÏ½ðÌí¼Ó¼Á£¬ÆäÆ·ÖÖÖڶ࣬ÒÔ²»Ðâ¸ÖÉú²úÐèÇóΪ×î¡£Öйú²»µ«ÊǸÖÌú´ó¹ú£¬²¢ÇÒÊǸÖÌúÇ¿¹ú£¬È»¶ø£¬ÎÒ¹ú¸õÌú×ÊԴϡȱ£¬ÏÖÔÚÒÑ̽Ã÷µÄ´¢Á¿ºÜÉÙ¿ª²ÉºÍÔËÊäÊ®·ÖÄÑÌ⡣ΪÁËÌá¸ßÉú²úЧÂÊïÔ̱¾Ç®£¬Öڶ಻Ðâ¸ÖÉú²úÆóÒµÒý½øÍâÑóÉú²úÏßÏȽøÊÖÒÕºÍÒªº¦×°±¸¡£ÔõÑùÈÃÕâЩÏȽøµÄÊÖÒÕºÍ×°±¸»ñµÃ³ä·ÖÑéÕ¹£¬ÎÒÃÇΪij²»Ðâ¸ÖÉú²úÆóÒµÍÆ¼öÎ÷ÃÅ×ÓplcÐÂÐÍS7-1500²úÆ·×÷Ϊ¼¯ÖйÜÀí×°±¸¿ØÖÆ´óÄÔÖÐÊà¡£
¼Æ»®ÊÖÒÕÒªµã
±¾ÏîÄ¿Ö÷Ҫͨ¹ýCPU1516ʵÏÖ¶Ôµç¯ϵͳÖеĵç¯Ö÷ÌåPLC¡¢Ìì³µÖ÷Ìå PLC¡¢ÎïÁÏÔËËÍϵͳ£¨S7-300£©ºÍ¯Ìå×ÔÉíµÄ¼à¿Ø¡£³ä·ÖʹÓõÄS7-1500²úÆ·µÄPIDµ÷Àí¡¢²½Ðò¿ØÖÆÒÔ¼°Ç¿Ê¢µÄͨѶ¹¦Ð§¡£

01 Òªµã£ºPIDµ÷Àí
¸ÃÏîÄ¿Éæ¼°±ÃƵÂʵÄPIDµ÷Àí½ÏÁ¿¶à¡£Ïà½ÏÓÚÎ÷ÃÅ×ÓplcS7 300/400µÄPID³ÌÐò±àд¼°µ÷ÀíÀú³Ì£¬S7 1500ÔÚ²©Í¾ÇéÐÎÖеIJÙ×÷Ô½·¢Àû±ã¡£Í¨¹ýʹÓÃPIDÏòµ¼£¬¿ÉÒÔʵÏÖ¶ÔËùÓÐPID²ÎÊýµÄÉèÖã¬ÕâÆäÖаüÀ¨PIDµÄ¿ØÖÆÀàÐÍ¡¢ÊäÈëÊä³öÖµÉèÖá¢Àú³ÌÖµÏÞÖÆ¼°¼àÊӵȶàÖÖ¹¦Ð§¡£
ÔÚPIDµ÷ÀíÀú³ÌÖУ¬²©Í¾Èí¼þÖ§³ÖÔ¤µ÷ÀíºÍϸÄåµ÷ÀíµÈ×Ô¶¯µ÷Àí¹¦Ð§£¬Í¨¹ýÔ¤µ÷Àí¹¦Ð§ÊµÏÖ¹¤Òյijõ³ÌÐò½Ú£¬ÔÙÓÃϸÄåµ÷Àí¹¦Ð§Ê¹µ÷ÀíÀú³Ì¸üÇ÷ÓÚÎȹ̣¬´Ó¶øµÖ´ïPID²ÎÊýµÄ×îÓÅÉèÖá£
02 Òªµã£ºË³¿Ø
ͨ¹ý˳¿ØÖ¸ÁÇáËɵÄÍê³ÉÁËËÍÁÏϵͳµÄ˳Æð¡¢Ë³Í£ºÍ¹ÊÕÏÍ£»ú¡£
03 Òªµã£º¿ª·ÅʽÒÔÌ«ÍøÍ¨Ñ¶
ÓÉÓڸõç¯Ö÷Ìå×°±¸ÊÇÓÉÈÕ·½Ìṩ£¬Òª×öµ½¶Ôµç¯µÄÍêÕû¿ØÖÆÐèÒªºÍÈýÁâµÄGXϵͳͨѶ£¬±¾ÏµÍ³³ä·ÖÀûÓÚÁËS7-1500 CPU¼¯³ÉPN¿ÚµÄÒÔÌ«Íø·¢ËͺÍÎüÊÕÖ¸Á¶ÔÈýÁâPLC¾ÙÐÐÔ¶³Ì¶Áд¡£
04 Òªµã£ºModbus TCP
¸Ãµç¯Ìì³µÎïÁÏϵͳÖ÷¿ØPLCΪABÌṩ£¬Ê¹Óà S7-1500 CPU¼¯³ÉPN¿ÚµÄModbusTCPͨѶ¹¦Ð§½«Simatic S7-1500 ×÷ΪModbus/TCP Client ÓëͨѶ»ï°é½¨ÉèͨѶ¡£
½«µÚÈý·½×°±¸ÖеÄÊý¾Ýͨ¹ýModbusTCPÐÒé¶ÁÈ¡µ½Ö÷»ú1500CPUÖС£
ÔÚ±¾ÏµÍ³ÖÐͨ¹ý¶ÔS7-1500µÄʹÓã¬ÎÞÂÛ´Ó²úÆ·´¦Öóͷ£ËÙÂÊ¡¢Ä£¿é¾«¶ÈÒÔ¼°Ç¿Ê¢µÄPROFINET×éÍøÄÜÁ¦¡¢¹ÊÕÏÕï¶ÏÄÜÁ¦µÈÖî¶à·½Ã棬¶¼Í»ÏÔ¸ÃϵÁÐPLC²úƷǿʢµÄÐÔÄÜÓÅÊÆ£»¶øTIA ²©Í¾Èí¼þÔÚ¸ßЧ±à³Ì¸ßЧµ÷ÊԵȷ½Ã棬ÄÜΪÊÖÒÕÖ°Ô±½ÚÔ¼Ðí¶àʱ¼ä£¬µ÷ÊÔÀú³ÌÔ½·¢Ë³³©£»Ç¿Ê¢µÄͨѶÄÜÁ¦ÍêÈ«½â¾öÏÖ³¡µÄÖÖÖÖͨѶÎÊÌâ¡£