Î÷ÃÅ×ÓPLC PROFIBUS DPºÍPAЭÒéÆÊÎö¼ò½é
Ðû²¼ÈÕÆÚ£º
2022-08-31

Î÷ÃÅ×ÓPLC?S7-300ϵÁÐÔÚÖÐСÐÍ×Ô¶¯»¯¿ØÖÆÏµÍ³ÖÐÓ¦ÓÃÆÕ±é £¬ËüͨѶ¹¦Ð§Ç¿Ê¢ £¬ÄÜͨ¹ý¶àÖÖ·½·¨Óë×°±¸¼°ÉÏλ»úÖ®¼ä¾ÙÐÐͨѶ¡£ÆäÖÐÓ¦Óý϶àµÄÒ»ÖÖͨѶ·½·¨ÊÇPROFIBUS DPͨѶ £¬Ëü¿ÉÒÔʵÏÖÎ÷ÃÅ×ÓPLC S7-300ϵÁÐÓëµÚÈý·½×°±¸Ö®¼äµÄPROFIBUS DPÖ÷´ÓͨѶ £¬ÉÐÓÐÒ»ÖÖPROFIBUS PAЭÒé £¬Ò²¾­³£ÓÃÔÚ×Ô¶¯»¯¿ØÖÆÏµÍ³ÖС£±¾ÎÄÏÂÃæÁÙÎ÷ÃÅ×ÓPLCµÄPROFIBUS DPºÍPROFIBUS PAͨѶЭÒé×öÒ»¸öÆÊÎöÏÈÈÝ £¬¹©Óû§¾ÙÐвο¼¡£

Î÷ÃÅ×ÓPLC PROFIBUS DPºÍPROFIBUS PAЭÒéÆÊÎö

PROFBUSÊÇÒ»ÖÖ¹ú¼ÊÐԵĿª·ÅʽµÄÏÖ³¡×ÜÏß±ê×¼ £¬Ëü¼È¿ÉÒÔÓÃÓÚ¸ßËÙ²¢ÇÒ¹ØÓÚʱ¼ä¿ÁÇóµÄÊý¾Ý´«Êä £¬Ò²¿ÉÒÔÓÃÓÚ´ó¹æÄ£µÄÖØ´óͨѶ³¡ºÏ¡£

PROFBUS-DPÊÇÒ»ÖÖͨѶЭÒé £¬ÕâÖÖΪ¸ßËÙ´«ÊäÓû§Êý¾Ý¶øÓÅ»¯µÄPROFBUSЭÒéÌØÊâÊÊÓÃÓڿɱà³Ì¿ØÖÆÆ÷ÓëÏÖ³¡¼¶ÊèÉ¢µÄI/O×°±¸Ö®¼äµÄͨѶ¡£

PROFIBUS -DPÓÃÓÚÏÖ³¡²ãµÄ¸ßËÙÊý¾Ý´«ËÍ¡£Ö÷Õ¾ÖÜÆÚµØ¶ÁÈ¡´ÓÕ¾µÄÊäÈëÐÅÏ¢²¢ÖÜÆÚµØÏò´ÓÕ¾·¢ËÍÊä³öÐÅÏ¢¡£×ÜÏßÑ­»·Ê±¼ä±ØÐèÒª±ÈÖ÷Õ¾(plc)³ÌÐòÑ­»·Ê±¼ä¶Ì¡£³ýÖÜÆÚÐÔÓû§Êý¾Ý´«ÊäÍâ £¬PROFIBUS -DP»¹ÌṩÖÇÄÜ»¯×°±¸ËùÐèµÄ·ÇÖÜÆÚÐÔͨѶÒÔ¾ÙÐÐ×é̬.Õï¶ÏºÍ±¨¾¯´¦Öóͷ£¡£

´«ÊäÊÖÒÕ£ºRS-485Ë«½ÊÏß.Ë«ÏßµçÀ»ò¹âÀ¡£²¨ÌØÂÊ´Ó9.6K bit/sµ½12M bit¡£

PROFIBUS-PAÊÊÓÃÓÚPROFIBUS µÄÀú³Ì×Ô¶¯»¯¡£PA½«×Ô¶¯»¯ÏµÍ³ºÍÀú³Ì¿ØÖÆÏµÍ³ÓëѹÁ¦.ʪ¶ÈºÍҺλ±äËÍÆ÷µÈÏÖ³¡×°±¸ÅþÁ¬ÆðÀ´ £¬PA¿ÉÓÃÀ´Ìæ»»4-20mAµÄÄ£ÄâÊÖÒÕ¡£PROFIBUS-PA¾ßÓÐÈçÏÂÌØÕ÷£º

(1) ÊʺÏÀú³Ì×Ô¶¯»¯Ó¦ÓõÄÐйæÊ¹²î±ð³§¼ÒÉú²úµÄÏÖ³¡×°±¸¾ßÓн»Á÷ÐÔ¡£

(2) ÔöÌíºÍÈ¥³ý×ÜÏßÕ¾µã £¬×ÝÈ»ÔÚ±¾Õ÷Çå¾²µØÇøÒ²²»»áÓ°Ïìµ½ÆäËüÕ¾¡£

(3) ÔÚÀú³Ì×Ô¶¯»¯µÄPROFIBUS-PA¶ÎÓëÖÆÔìÒµ×Ô¶¯»¯µÄPROFIBUS-DP×ÜÏß¶ÎÖ®¼äͨ¹ýźºÏÆ÷ÅþÁ¬ £¬²¢Ê¹¿ÉʵÏÖÁ½¶Î¼äµÄ͸Ã÷ͨѶ¡£

(4) ʹÓÃÓëIEC1158-2ÊÖÒÕÏàͬµÄË«½ÊÏßÍê³ÉÔ¶³Ì¹©µçºÍÊý¾Ý´«ËÍ¡£

(5) ÔÚDZÔڵı¬Õ¨Î£ÏÕÇø¿ÉʹÓ÷À±¬ÐÍ¡°±¾Õ÷Çå¾²¡±»ò¡°·Ç±¾Õ÷Çå¾²¡±¡£

1¡¢PROFIBUS-PA´«ÊäЭÒé

PROFIBUS-PA½ÓÄÉPROFIBUS-DPµÄ»ù±¾¹¦Ð§À´´«ËÍÕÉÁ¿ÖµºÍ״̬¡£²¢ÓÃÀ©Õ¹µÄ PROFIBUS-DP¹¦Ð§À´Öƶ©ÖÆÏÖ³¡×°±¸µÄ²ÎÊýºÍ¾ÙÐÐ×°±¸²Ù×÷¡£PROFIBUS-PAµÚÒ»²ã½ÓÄÉIEC1158-2ÊÖÒÕ £¬µÚ¶þ²ãºÍµÚÒ»²ãÖ®¼äµÄÔÚ DIN19245ϵÁбê×¼µÄµÚËIJ¿·Ö×÷ÁË»®¶¨¡£

2¡¢PROFIBUS-PA×°±¸Ðйæ

PROFIBUS-PAÐйæ°ü¹ÜÁ˲î±ð³§ÉÌËùÉú²úµÄÏÖ³¡×°±¸µÄ½»Á÷ÐԺͻ¥²Ù×÷ÐÔ £¬ËüÊÇPROFIBUS-PAµÄÒ»¸ö×é³É²¿·Ö¡£PAÐйæµÄʹÃüÊÇÑ¡ÓÃÖÖÖÖÀàÐÍÏÖ³¡×°±¸ÕæÕýÐèҪͨѶµÄ¹¦Ð§ £¬²¢ÌṩÕâЩװ±¸¹¦Ð§ºÍ×°±¸ÐÐΪµÄÒ»ÇÐÐëÒª¹æ¸ñ¡£

ÏÖÔÚ £¬PAÐйæÒѶÔËùÓÐͨÓõÄÕÉÁ¿±äËÍÆ÷ºÍÆäËüÑ¡ÔñµÄһЩװ±¸ÀàÐÍ×÷ÁËÏêϸ»®¶¨ £¬ÕâЩװ±¸È磺

(1) ²âѹÁ¦.Һλ.ζȺÍÁ÷Á¿µÄ±äËÍÆ÷

(2) Êý×ÖÁ¿ÊäÈëºÍÊä³ö

(3) Ä£ÄâÁ¿ÊäÈëºÍÊä³ö

(4) ·§ÃÅ

(5) ¶¨Î»Æ÷

Î÷ÃÅ×ÓPLC S7-300ϵÁоßÓÐǿʢµÄͨѶ¹¦Ð§ £¬Óû§¿ÉÒÔͨ¹ýPROFIBUS DPµÄͨѶ·½·¨À´ÊµÏÖÎ÷ÃÅ×ÓPLC S7-300Ö®¼ä»òÎ÷ÃÅ×ÓPLC S7-300ϵÁÐÓëÆäËû×°±¸Ö®¼äµÄͨѶ £¬Ò²¿ÉÒÔͨ¹ýPROFIBUS PAͨѶ·½·¨¾ÙÐÐʵÏÖ¡£

ÉùÃ÷£º²¿·ÖÄÚÈÝȪԴÓÚÍøÂç £¬ÈçÇÖȨÇëºǫ́ÁôÑÔÁªÏµÉ¾³ý¡£