• ¡¡×÷Õߣºadmin
  • ¡¡»ý·Ö:2705
  • ¡¡µÈ¼¶:ר¼Ò½ÌÊÚ
  • ¡¡2014/10/13 15:51:41
  • ¡¡
  • Â¥Ö÷(ÔĶÁ£º2980/»Ø¸´£º0)RS-485µÄ½ÚµãºÍ¾àÀëµÄÀíÂÛ¼«ÏÞ-1


                     ²¨Ê˵ç×Ó°æÈ¨ËùÓÐ
      

    ÔÚÏÂÒ»´úRS-485×ÜÏߵĸÅÄîÏ£¬BOSIKA½«Ô­±¾ÓÃÓÚÑÓ³¤RS-485ͨОàÀë²¢ÇÒÌá¸ß¸ºÔØÄÜÁ¦µÄÖÐ¼ÌÆ÷ÓëRS-232/RS-485ת»»Æ÷½øÐа󶨣¬ÍƳöRS-232/RS-485ÖмÌת»»Æ÷£¬Í¬Ê±¶ÔRS-485ÐźŵÄÁ÷Ïò½øÐÐÕûÀí£¬Ê¹µÃÓû§ÔÚʹÓÃʱ¸Ð¾õ¾ÍÊÇÒ»¸öRS-232ÓëRS-485µÄת»»Æ÷¡£ÕâÖÖ˼ÏëÌåÏÖÔÚ×îеġ¶Ò»ÖÖ´øÖм̹¦ÄܵĴ®¿Úת»»Æ÷¡·×¨ÀûÎÄÏ×ÖС£¶ÔÓÚBOSIKA¶øÑÔ£¬ÏÂÒ»´úRS-485×ÜÏߵı仯¾ÍÊÇÒª²»ÊÜ×îÔ¶¾àÀëºÍ½ÚµãÊýµÄÏÞÖÆ£¬Í¬Ê±ÏÂÒ»´úRS-232/RS-485ÖмÌת»»Æ÷485A2»¹µÃ±£³ÖÎÞÐ蹩µçµÄÌØÐÔ¡£ÔÚÕâ¸ö˼·ÖУ¬BOSIKAµÄRS-232/RS-485ÖмÌת»»Æ÷Í»ÆÆÁË´«Í³RS-485×ÜÏߵĽڵãÊýºÍ¾àÀëµÄÏÞÖÆ¡£Ã¿½ÓÒ»¸öRS-232/RS-485ÖмÌת»»Æ÷£¬RS-485ÐźŶ¼µÃµ½ÁËÖмÌÔöÇ¿£¬ËùÒÔÕâÖÖRS-485×ÜÏß²»ÔÙÊÜÒ»ÌõRS-485×ÜÏß×îÔ¶1200Ã×µÄÏÞÖÆ£¬¶øÊǵ±½ÓM¸öת»»Æ÷ʱ¾Í¿ÉÒÔ´ïµ½1200Ã×µÄM±¶¾àÀ룬MÊÇ·ñ²»ÊÜÏÞÖÆ---±¾ÎĽ«ÌÖÂÛMµÄÀíÂÛ¼«ÏÞ¡£´«Í³µÄRS-485×ÜÏßÓнӸºÔظöÊýµÄÏÞÖÆ£¬±ÈÈç128¸ö£¬¾ÍÊÇͬһÌõRS-485×ÜÏßÖÐ×î¶à¹Ò128¸öRS-485¿Ú¡£Ê¹ÓÃM¸öRS-232/RS-485ת»»Æ÷¹¹³ÉµÄRS-485×ÜÏßÖУ¬ÓÉÓÚ½ÓÈëµÄת»»Æ÷½«RS-485×ÜÏß·Ö¿ªÎªÁËM¶Î£¨Ã¿Ò»¶ÎÖ®¼äÏ൱ÓÚÓÐÒ»¸öÖÐ¼ÌÆ÷£©£¬ËùÒÔµ±½ÓM¸öת»»Æ÷ʱ¾Í¿ÉÒÔ´ïµ½128×M±¶µÄ¸ºÔظöÊý£¬MÊÇ·ñÊܸºÔØÊýÏÞÖÆ---±¾ÎÄÒ²½«ÌÖÂÛ¡£

    1¡¢Í»ÆÆRS-485½ÚµãºÍ¾àÀ뼫Ï޵IJ¼Ïß·½Ê½

    RS-232/RS-485ÖмÌת»»Æ÷ÓÐÒ»¸öDB-9¿×µÄRS-232¿ÚºÍ2¸ö´ø½ÓÏß¶Ë×ÓµÄRS-485¡£DB-9¿×¶ËÓÃÓÚ½ÓRS-232¿Ú¡¢DB-9Õë¶Ëͨ¹ý½ÓÏß¶Ë×Ó°å½ÓRS-485¿Ú¡£485A2µÄ½ÓÏß¶Ë×Ó°åÉÏÓÐ5¸ö½ÓÏß¶Ë×Ó£¨A1¡¢B1¡¢GND¡¢B2¡¢A2£© £¬ÎªÁ½¸öRS-485¿Ú£¬¹²ÓÃGNDµØÏß¡£A1¡¢B1ÓëA2¡¢B2Êǹ¦ÄÜÍêÈ«ÏàͬµÄ£¬²»·Ö·½Ïò¡£ Á½¸öRS-485¿Ú¾ßÓÐÏ໥Öм̵ŦÄÜ¡£

          485A2Ó¦ÓÃÓëRS-485¶à»úͨÐŵĵäÐͽÓÏßͼ¡£Èôÿһ¶ÎRS-485µÄ¾àÀëΪ1200Ã׺Í128¸ö£¬ÔòÕû¸öRS-485ϵͳµÄ¾àÀë´ïµ½£¨M×1200Ã×£©¡¢½ÚµãÊý´ïµ½£¨M×128£©¡£¿ÉÒÔ¿´³ö£¬Ê¹ÓÃÁË485A2µÄRS-485×ÜÏß²¼Ïß¼«Æä¼ò½à¡£×îÔ¶Á½¶Ë¿ÉÒÔÓÃ485A£¬Ò²¿ÉÒÔÓÃ485A2¡£×¢ÒâÕû¸öRS-485ϵͳ¹²ÓÃGNDÏß¡£

    2

    »¶Ó­Ê¹Óô®¿ÚÂÛ̳
    ²¨ÊËÓëÄú³©ÓÎRS232/RS485´®¿ÚµÄÊÀ½ç


    Ŀǰ²»ÔÊÐíÓοͻظ´£¬Çë µÇ¼ ×¢²á ·¢±íÑÔÂÛ¡£
     
    伊人久久大香线蕉亚洲五月天