·¢²¼ÈÕÆÚ£º2012-08-07 15:22 ä¯ÀÀ´ÎÊý£º
PLC£¬programmable logic controller (PLC)£¬È«³Æ£º¿É±à³ÌÐòÂß¼¿ØÖÆÆ÷£¬PLC¿ØÖƹñÖ¸³ÉÌ×µÄÒÔPLC×÷ΪºËÐÄ¿ØÖƵ¥Ôª,¿Éʵ·ç»ú¡¢Ë®±Ã¡¢µç¶¯·§ÃÅ¡¢µÈÏÖ³¡É豸¿ØÖƵĵçÆø¹ñ¡£PLC¿ØÖƹñ¿ÉÒÔÊǵ¥¹ñÐÎʽ£¬Ò²¿ÉÒÔÊǶà¹ñͨ¹ýͨѶ×éºÏʵÏÖ¿ØÖƵÄÐÎʽ¡£
PLC¿ØÖƹñ¾ßÓÐ×Ô¶¯»¯³Ì¶È¸ß£¬ÐÔÄÜÎȶ¨£¬À©Õ¹ÐԺã¬Éý¼¶·½±ãµÈÓŵ㣬¹ÊÊܵ½¹ã´óϵͳ¼¯³ÉÉ̼°Óû§µÄÇàíù¡£PLCÔÚÎÒ¹úµÄÓ¦ÓÃÏ൱¹ã·º£¬Èç»·±£¡¢Ë®Àû¡¢Ò±½ð¡¢»¯¹¤¡¢Ó¡Ë¢¡¢Éú²úÏß¿ØÖƵÈÁìÓò¶¼ÓÐÓ¦Óã¬ÓÈÆäÊʺÏÔÚÎÛË®´¦ÀíÐÐÒµ¡¢±ÃÕ¾¿ØÖÆϵͳ¡¢ÒÔ¼°Ïû·À°²±£¿ØÖÆϵͳµÈ·½ÃæÓ¦Óã¬ÕâÖ÷ÒªÓɸÃÀàÐÐÒµµÄ¹¤¿öÊôÐÔ¾ö¶¨µÄ¡£ÄϾ©¸ÉÒÚÇòÓѻỷ¾³¿Æ¼¼ÓÐÏÞ¹«Ë¾ÔÚ´ËÀàÐÐÒµ×Ô¶¯»¯¿ØÖÆÉÏÇã×¢ÁË´óÁ¿µÄÐÄѪ£¬¶ÔÆ乤ÒÕÒªÇó¡¢¹¤¿öÌصãÒ²¾ßÓзḻµÄ¾Ñ飬ÔÚPLC¿ØÖƹñµÄͼֽÉè¼Æ¡¢²úÆ·Ñ¡ÐÍ¡¢Éú²úÖÆ×÷¹¤ÒÕ¡¢°²×°µ÷ÊԵȷ½ÃæÔÚͬÀàÐÐÒµÖоßÓÐÍ»³öÓÅÊÆ¡£Ä¿Ç°ÄϾ©¸ÉÒÚÇòÓѻỷ¾³¿Æ¼¼ÓÐÏÞ¹«Ë¾Éè¼Æ¡¢Éú²úµÄPLC¿ØÖƹñÖ÷Òª°üÀ¨£ºÎ÷ÃÅ×ÓϵÁÐPLC¿ØÖƹñ¡¢Å·Ä·ÁúϵÁÐPLC¿ØÖƹñ¡¢Ê©Ä͵ÂϵÁÐPLC¿ØÖƹñ¡¢ÈýÁâϵÁÐPLC¿ØÖƹñ¡¢ABϵÁÐPLC¿ØÖƹñµÈ¡£Óû§¿ÉÒÔ¸ù¾Ýϵͳ¹æÄ£µÄ´óС¡¢Êµ¼Ê¹¤¿öÐèҪѡÔñ¹¦ÄÜÐÔµÄÄ£¿é½øÐÐ×éºÏÉè¼Æϵͳ¡£Ëæ׏¤Òµ×Ô¶¯»¯¼¼ÊõµÄ²»¶Ï·¢Õ¹ºÍÏÖ³¡¿ØÖÆ×Ô¶¯»¯¸´Ôӳ̶ȵIJ»¶ÏÔö´ó£¬ÒÔ¼°Óû§¶Ô¿ØÖÆϵͳ²Ù×÷µÄ¼òÒ×ÐÔÒªÇ󲻶ÏÌá¸ß£¬PLC¿ØÖƼ¼ÊõµÃµ½ÁË·ÉËٵķ¢Õ¹£¬PLC¿ØÖƹñÒ²ÔÚ¸÷¸ö¿ØÖÆÏÖ³¡ÆÕ±éµÄ³öÏÖ£¬ÄϾ©¸ÉÒÚÇòÓѻỷ¾³¿Æ¼¼ÓÐÏÞ¹«Ë¾¸üÊǽô×·¿Æ¼¼·¢Õ¹µÄ²½·¥£¬±ü×Å¡°´´½¡¸ÉÒÚÇòÓÑ»áÔ½»·¾³£¬»¹×ÔÈ»ÓÚ×ÔÈ»¡±µÄÆóÒµ×ÚÖ¼£¬³¤ÆÚÖÂÁ¦ÓÚ¹¤Òµ×Ô¶¯»¯ÁìÓòµÄPLC¿ØÖƹñµÄ¿ª·¢ÓÚÑо¿£¬²¢È¡µÃÁËÒµ½ç¹«Èϵijɼ¨¡£