ModbusÍø¹ØÈçºÎʵÏÖModbus RTUÓëModbus TCPЭÒéÊý¾ÝÊÕÂÞ
Ðû²¼ÈÕÆÚ£º
2024-09-10

Ëæ×Ź¤Òµ×Ô¶¯»¯¼¼ÊõµÄ¿ìËÙÉú³¤ £¬Êý¾ÝÊÕÂÞÓëʵʱ¼à¿ØÒѳÉΪÌáÉýÉú²úЧÂÊ¡¢½µµÍ¹ÊÕÏÂʵÄÖØÒªÊֶΡ£Modbus×÷ΪһÖֹ㷺ӦÓõÄͨÐÅЭÒé £¬Æ¾½èÆä¿ª·Å¡¢¼òµ¥¡¢¿É¿¿µÄÌØµã £¬ÔÚ¹¤Òµ×Ô¶¯»¯ÁìÓò·¢»Ó×ÅÖØÒª×÷Óá£ModbusÍø¹Ø×÷ΪÊý¾ÝͨÐŵÄÇÅÁº £¬Äܹ»ÊµÏÖModbus RTUÓëModbus TCPЭÒéÖ®¼äµÄÊý¾ÝÊÕÂÞÓëת»» £¬½ø¶øÎª¼à¿ØÏµÍ³ºÍ¿ØÖÆÏµÍ³Ìṩʵʱ¡¢×¼È·µÄÊý¾ÝÖ§³Ö¡£±¾ÎĽ«ÏêϸÂÛÊöModbusÍø¹ØÈçºÎʵÏÖModbus RTUÓëModbus TCPЭÒéµÄÊý¾ÝÊÕÂÞ¡£

Ò»¡¢ModbusÍø¹ØµÄ×÷ÓÃ

ModbusÍø¹Ø×÷ΪÊý¾ÝͨÐŵÄÇÅÁº £¬Ö÷ÒªÂôÁ¦Modbus RTUÓëModbus TCPЭÒéÖ®¼äµÄת»»ÓëÊý¾Ý´«Êä¡£Æä½¹µã¹¦Ð§°üÀ¨£º

ЭÒéת»»£º½«Modbus RTUЭÒéת»»ÎªModbus TCPЭÒé £¬»ò½«Modbus TCPЭÒéת»»ÎªModbus RTUЭÒé £¬ÊµÏÖModbusЭÒéÖ®¼äµÄÎÞ·ìת»»¡£

Êý¾Ý¼¯³ÉÓ뼯ÖÐÖÎÀí£ºÍ¨¹ýÍø¹ØÊÕÂÞµÄÊý¾Ý¿ÉÒÔ¼¯³Éµ½ÉÏλ»úϵͳÖÐ £¬ÊµÏÖÊý¾ÝµÄ¼¯ÖÐÖÎÀíºÍͳһ¼à¿Ø¡£

Äþ¾²ÐÔÓë¿É¿¿ÐÔ£ºÖ§³ÖÊý¾ÝTSL/SSL¡¢X.509Ö¤Êé¡¢SNMPV1/V2¡¢ÃÜÔ¿¼ÓÃܵÈÄþ¾²Íø¹Ø¹¦Ð§ £¬È·±£Êý¾Ý´«ÊäµÄÄþ¾²ÐÔ¡£

¶þ¡¢ModbusÍø¹ØÊµÏÖÊý¾ÝÊÕÂÞµÄÏêϸÀú³Ì

1¡¢Á¬½ÓÉ豸

Ê×ÏÈ £¬ModbusÍø¹ØÐèÒªÓëModbusÉ豸½øÐÐÁ¬½Ó¡£¹ØÓÚModbus RTUÉ豸 £¬Í¨³£Í¨¹ýRS-232»òRS-485´®¿Ú½øÐÐÁ¬½Ó£»¹ØÓÚModbus TCPÉ豸 £¬Ôòͨ¹ýÒÔÌ«Íø½Ó¿Ú½øÐÐÁ¬½Ó¡£È·±£Íø¹ØÓëÉ豸֮¼äµÄͨÐÅÏß·Õý³£ £¬Í¨ÐŲÎÊýÉèÖÃÕýÈ·¡£

2¡¢ÅäÖÃÍø¹Ø²ÎÊý

ÔÚÁ¬½ÓÉ豸ºó £¬ÐèÒªÔÚModbusÍø¹ØµÄÅäÖÃÈí¼þÖнøÐÐÏà¹Ø²ÎÊýµÄÉèÖá£Õâ°üÀ¨ÍøÂç²ÎÊý£¨ÈçIPµØµã¡¢×ÓÍøÑÚÂë¡¢Íø¹ØµØµãµÈ£©¡¢´®¿Ú²ÎÊý¡¢ÒÔ¼°ModbusЭÒéµÄ²ÎÊý£¨ÈçÉ豸µØµã¡¢¹¦Ð§Âë¡¢¼Ä´æÆ÷µØµãµÈ£©¡£Æ¾¾ÝÉ豸µÄͨѶЭÒéºÍʵ¼ÊÐèÇó £¬ºÏÀíÉèÖÃÕâЩ²ÎÊý £¬ÒÔÈ·±£Íø¹ØÄܹ»ÕýÈ·ÊÕÂÞÉ豸Êý¾Ý¡£

ModbusÍø¹ØÈçºÎʵÏÖModbus RTUÓëModbus TCPЭÒéÊý¾ÝÊÕÂÞ

3¡¢Êý¾ÝÊÕÂÞÓëת»»

ÅäÖÃÍê³Éºó £¬ModbusÍø¹Ø¿ªÊ¼ÊÂÇé £¬ÊµÊ±ÊÕÂÞModbusÉ豸µÄÊý¾Ý¡£¹ØÓÚModbus RTUÉ豸 £¬Íø¹Ø½«½ÓÊÕµ½µÄ´®ÐÐÊý¾Ý½âÎöΪModbusЭÒéµÄÊý¾Ý°ü£»¹ØÓÚModbus TCPÉ豸 £¬Íø¹ØÔòÖ±½Ó½ÓÊÕTCP/IPÊý¾Ý°ü¡£È»ºó £¬Íø¹ØÆ¾¾ÝÅäÖý«ÊÕÂÞµ½µÄÊý¾Ýת»»ÎªÏàÓ¦µÄ»¨Ñù£¨ÈçModbus TCP»òModbus RTU£© £¬²¢×¼±¸·¢Ë͸ø¼à¿ØÏµÍ³»òÉÏλ»ú¡£

4¡¢Êý¾Ý´«ÊäÓë¼à¿Ø

ת»»ºóµÄÊý¾Ýͨ¹ýModbusÍø¹Ø´«Ê䏸¼à¿ØÏµÍ³»òÉÏλ»ú¡£ÔÚ¼à¿ØÏµÍ³ÖÐ £¬Óû§¿ÉÒԱ㵱µØ¼ì²ìºÍÆÊÎöÉ豸µÄÔËÐÐ״̬ºÍÊý¾Ý¡£¼à¿ØÏµÍ³¿ÉÒÔÆ¾¾ÝÊÕÂÞµ½µÄÊý¾Ý½øÐÐʵʱÏÔʾ¡¢±¨¾¯ºÍÆÊÎö £¬×ÊÖúÓû§ÊµÊ±·¢Ã÷É豸¹ÊÕϺÍÒì³£Çé¿ö¡£Í¬Ê± £¬¼à¿ØÏµÍ³»¹¿ÉÒÔÆ¾¾ÝÐèÒª¶ÔÉ豸½øÐÐÔ¶³Ì¿ØÖƺÍÖÎÀí £¬ÊµÏÖÉ豸µÄÖÇÄÜ»¯¡¢×Ô¶¯»¯¿ØÖÆ¡£

Èý¡¢Ó¦Óó¡¾°

ModbusÍø¹ØÔÚ¹¤Òµ×Ô¶¯»¯ÁìÓò¾ßÓй㷺µÄÓ¦Óó¡¾° £¬°üÀ¨µ«²»ÏÞÓÚ£º

¹¤Òµ×Ô¶¯»¯¿ØÖÆÏµÍ³£ºÓëPLC¡¢DCS¡¢SCADAµÈ¿ØÖÆÏµÍ³Á¬½Ó £¬ÊµÊ±ÊÕÂÞÏÖ³¡É豸µÄÔËÐÐÊý¾Ý £¬ÎªÖÎÀíÔ±Ìṩ¾ö²ßÒÀ¾Ý¡£

ÖÇÄܵçÁ¦¼à¿Ø£º¼à¿ØµçÁ¦É豸µÄÔËÐÐ״̬ £¬Èçµçѹ¡¢µçÁ÷¡¢¹¦ÂÊµÈ £¬ÊµÏÖµçÁ¦É豸µÄÔ¶³Ì¼à¿ØºÍÖÎÀí £¬Îª½ÚÄÜÓÅ»¯ÊÂÇéÌṩÊý¾ÝÖ§³Ö¡£

»·±£¼à²âϵͳ£ºÓëÖÖÖÖ´«¸ÐÆ÷Á¬½Ó £¬ÊµÊ±¼à²âË®ÖÊ¡¢ÆøÏó¡¢ÉÊÇéµÈÇé¿ö²ÎÊý £¬Îª»·±£²¿·ÖÌṩÊý¾ÝÖ§³ÖºÍÖ´·¨ÒÀ¾Ý¡£

ModbusÍø¹Ø×÷ΪÊý¾ÝͨÐŵÄÇÅÁº £¬ÊµÏÖÁËModbus RTUÓëModbus TCPЭÒéÖ®¼äµÄÊý¾ÝÊÕÂÞÓëת»» £¬²»µ«Ìá¸ßÁ˹¤Òµ×Ô¶¯»¯ÏµÍ³µÄ¼¯³É¶ÈÓëÁé»îÐÔ £¬»¹´ó´óÔöÇ¿ÁËϵͳµÄÄþ¾²ÐÔÓë¿É¿¿ÐÔ¡£Îª¹¤Òµ×Ô¶¯»¯ÁìÓòµÄʵʱ¼à¿ØºÍÔ¶³ÌÖÎÀíÌṩÁËÓÐÁ¦Ö§³Ö¡£Í¨¹ýºÏÀíÅäÖúÍʹÓÃModbusÍø¹Ø £¬ÆóÒµ¿ÉÒÔʵÏÖÉ豸Êý¾ÝµÄ¼¯ÖÐÖÎÀíºÍʵʱ¼à¿Ø £¬Ìá¸ßÉú²úЧÂʺÍÖÊÁ¿ £¬½µµÍ¹ÊÕÏÂÊ £¬½ø¶øÊµÏÖÖÇÄÜ»¯¡¢¸ßЧ»¯µÄÉú²úÀú³Ì¡£

ModbusÍø¹ØÈçºÎʵÏÖModbus RTUÓëModbus TCPЭÒéÊý¾ÝÊÕÂÞ

ÉùÃ÷£º²¿·ÖÄÚÈÝÀ´Ô´ÓÚÍøÂç £¬ÈçÇÖȨÇëºǫ́ÁôÑÔÁªÏµÉ¾³ý¡£