Î÷ÃÅ×ÓPLCS7-1500ÊÇÎ÷ÃÅ×ÓPLCÐÂÐͲúÆ·£¬ËüÊÇÎ÷ÃÅ×ÓPLC S7-300µÄÉý¼¶°æ£¬ÔÚ¹¦Ð§ÉϸüΪǿ´ó£¬À©Õ¹ÄÜÁ¦¸üÇ¿¡£Î÷ÃÅ×ÓPLC S7-1500ΪÓû§ÔÚ×Ô¶¯»¯¿ØÖÆÏµÍ³ÖÐÌṩÁ˸ü¸ßµÄÔËÐÐÄÜÁ¦£¬²¢ÇÒ¼òµ¥Ò×Óá£ÐÂÒ»´úµÄÎ÷ÃÅ×ÓS7-1500ϵÁвúÆ·µÄ¿ØÖÆÆ÷ͨ¹ý¶à·½ÃæµÄ¸ïУ¬Ìá¸ßÁ˲úÆ·µÄÐԼ۱ȣ¬Í¬Ê±Îª¿Í»§ÔÚ×Ô¶¯»¯¿ØÖÆÏµÍ³ÖÐÌá¸ßÁËÉú²úЧÂÊ£¬½ÚÊ¡ÁË´ó×ÚµÄϵͳ¿ª·¢Ê±¼ä¡£Î÷ÃÅ×ÓPLC S7-1500ÓкÜÇ¿µÄͨѶ¹¦Ð§£¬±¾ÎÄÏÂÃæ¾ÍΪÄú½éÉÜÎ÷ÃÅ×ÓPLC?S7-1500ϵÁеÄModbusͨѶ·½·¨£¬ÎªÄúÔÚʹÓÃÖÐÌṩһЩ²Î¿¼¡£
Î÷ÃÅ×ÓPLC S7-1500 ModbusͨѶ
Î÷ÃÅ×ÓPLC S7-1500ϵÁпÉÒÔÔÚÖ÷»ú¼Ü»òÂþÑÜʽIOÕ¾ÖÐʹÓõã¶ÔµãͨѶģ¿éÀ´ÊµÏÖModbus-RTUͨѶ¡£Èç¹ûÔÚÎ÷ÃÅ×ÓPLC S7-1500µÄÂþÑÜʽIOÕ¾ÖÐʵÏÖModbus-RTUͨѶ£¬Ôò¿ÉÒÔͨ¹ýÔÚET200SPÖÐÅäÖõã¶ÔµãÄ£¿éÀ´ÊµÏÖ¡£
1. ͨѶ½Ó¿Ú
ÔÚʵ¼ÊµÄ×Ô¶¯»¯¿ØÖÆÏµÍ³ÖУ¬Æ¾¾ÝͨѶÎïÀí½Ó¿ÚµÄ²î±ð£¬Î÷ÃÅ×ÓPLC S7-1500Ö÷»ú¼ÜºÍÂþÑÜʽIOÄ£¿éET200MPËùʹÓõÄÄ£°å·ÖΪCM PtP RS232HFºÍCM PtP RS422/485 HFÁ½ÖÖ£¬¶øET200SPËùʹÓõĵã¶ÔµãͨÐÅÄ£¿éÖ»ÓÐÒ»ÖÖ£¬¼´CM PtP¡£ÕâЩģ°åÎÞÂÛÊÇ×°ÖÃÔÚÎ÷ÃÅ×ÓPLC S7-1500µÄÖ÷»ú¼ÜÄ£°åÕÕ¾ÉÎ÷ÃÅ×ÓÂþÑÜʽIOµÄÄ£°å£¬¶¼¿ÉÒÔ×öModbus-RTUµÄÖ÷Õ¾»ò´ÓÕ¾£¬Í¨¹ýÈí¼þ³ÌÐòÖÐŲÓÃModbus-RTUÏà¹Ø¹¦Ð§¿é¼´¿ÉʵÏÖModbus-RTUͨѶ¡£
2. Í¨Ñ¶ÌØµã
Î÷ÃÅ×ÓPLC S7-1500ʹÓÃModbus-RTUͨѶµÄÌØµãÊÇ£¬ÎÞÂÛµã¶ÔµãͨѶģ¿é×°ÖÃÔÚÎ÷ÃÅ×ÓPLC S7-1500µÄÖ÷»ú¼ÜÉÏÕÕ¾ÉÂþÑÜʽIOÄ£¿éÖУ¬Ò²ÎÞÂÛÂþÑÜʽIOÄ£¿éµÄÀàÐÍÊÇET200MPÕÕ¾ÉET200SPµÈ£¬ÔÚʵÏÖModbus-RTUͨѶµÄÀú³ÌÖУ¬ËüÃǵÄ×é̬°ì·¨¼°ÒªÁ죬ŲÓõijÌÐò¿éºÍ×¢ÒâÊÂÏîÍêÈ«Ïàͬ¡£
×ÛÉÏËùÊö£¬ÓÉÓÚÎ÷ÃÅ×ÓPLC S7-1500ϵÁоßÓкܸߵĿØÖÆÐÔÄÜ£¬²¢ÇÒͨѶ¹¦Ð§Ç¿´ó£¬ÎªÓû§ÌṩÁ˽ÏΪÍêÕûµÄ×Ô¶¯»¯¿ØÖÆÏµÍ³½â¾ö¼Æ»®¡£Óû§¿ÉÒÔʵÑéʹÓÃÎ÷ÃÅ×ÓPLC S7-1500ϵÁУ¬²¢ÅäÖÃÂþÑÜʽIOÄ£¿é£¬Í¨¹ýModbusͨѶ·½·¨ÊµÏÖÉ豸֮¼äµÄ¿ØÖƺÍÊý¾Ý½»»»¡£Óû§¿ÉÒԲο¼±¾ÎÄÌṩµÄÒªÁì½øÐÐÅäÖúÍʹÓã¬ÔÚ×Ô¶¯»¯¿ØÖÆÏµÍ³ÖкÏÀíµÄÑ¡ÔñÓ²¼þ£¬²¢Í¨¹ýModbusͨѶ·½·¨½«ÏµÍ³¼¯³ÉÔÚÒ»Æð¡£Èç¹ûÓû§ÐèÒª¸ü¶àµÄÁ˽âºÍʹÓÃÎ÷ÃÅ×ÓPLCϵÁУ¬ÎÒÃÇÒ²»á¸üºÃµÄÌṩÏà¹Ø¼¼ÊõÖ§³Ö¡£