Î÷ÃÅ×ÓPLCÔÚ±¸Ó÷¢µç³§µÄÓ¦ÓÃ
·¢²¼ÈÕÆÚ£º
2023-03-15

1.Î÷ÃÅ×ÓPLCÔÚ±¸Ó÷¢µç³§µÄÓ¦ÓÃ

½ñÌì£¬Ëæ×ŶԹ¤Òµ×Ô¶¯»¯µÄÒªÇóÔ½À´Ô½¸ß£¬ÒÔ¼°´óÁ¿¿ØÖÆÉ豸ºÍ¹ý³Ì¼à¿Ø×°ÖÃÖ®¼äͨÐŵÄÐèÒª£¬'¼à¿ØºÍÊý¾Ý²É¼¯ÏµÍ³'Ô½À´Ô½Êܵ½Óû§µÄÖØÊÓ¡£ÔÚ¶¯Á¦ÏµÍ³·½Ã棬ÒÔ²ñÓÍ·¢µç»ú×é×÷ΪӦ¼±±¸ÓõçÔ´µÄ·¢µç³§£¬ÔÚ¹¤³§¡¢¿óɽ¡¢¸ß²ã½¨Öþ¡¢Ò½Ôº¡¢Óʵç¡¢±ö¹ÝµÈÐí¶à²¿ÃŶ¼µÃµ½Á˹㷺µÄÓ¦Óá£ÎªÁËÌá¸ß¹©µçÖÊÁ¿ºÍ¹©µç¿É¿¿ÐÔ£¬¸ÄÉÆ²Ù×÷ÈËÔ±µÄ¹¤×÷Ìõ¼þ£¬¼õÉÙά»¤ÔËÐÐÈËÔ±£¬±¸Ó÷¢µçÕ¾ÆÈÇÐÒªÇóʵÏÖ×Ô¶¯»¯ÔËÐк͹ÜÀí¡£¸Ã¼à¿ØÏµÍ³ÓɼàÊÓÖ÷»ú(°üÀ¨Í¨ÐŰå)ºÍÈô¸ÉÏÖ³¡µÄ´ÓÕ¾ÓÉÎ÷ÃÅ×ÓPLC×é³É¡£ÊµÏÖ·¢µç»ú×éµÄÊý¾Ý²É¼¯¡¢±¨¾¯¡¢´æ´¢¡¢±¸·ÝµÈ·þÎñ¡£±¾ÎÄÖ÷Òª½éÉÜÏÂλ»úCPU226CNÎ÷ÃÅ×ÓPLCµÄϵͳԭÀí¡£

2 ϵͳµÄ×ÜÌåÉè¼Æ

½áºÏÉú²úʵ¼ÊµÄÐèÒª£¬¿¼ÂǸ÷¢µç»ú×éµÄ×Ô¶¯»¯ÏµÍ³ÓÉ5´ó¹¦Äܲ¿¼þ×é³É¡£

(1) ·¢µç»ú×éµÄ×Ô¶¯Æô¶¯ºÍ×Ô¶¯Í£»ú£»

(2) ¹¤³ÌÊеçºÍ»úµçµÄ×Ô¶¯Çл»£»

(3) ·¢µç»ú×éµçѹºÍƵÂʵÄ×Ô¶¯µ÷½Ú£»

(4) ·¢µç»ú×é¹ÊÕÏ×Ô¶¯¼ì²â£¬±¨¾¯ºÍ¹ÊÕÏ´¦Àí£»

(5) ·¢µç»ú×éµçѹ¡¢µçÁ÷¡¢ÆµÂÊ¡¢Óй¦¹¦ÂÊ¡¢Æô¶¯µç³ØµçѹµÈµçÁ¿²ÎÊýµÄ×Ô¶¯µ÷½Ú¡£

3 ϵͳ×é³É

3.1 CPU226CNÎ÷ÃÅ×ÓPLCµÄÌØÐÔºÍÌØµã

CPU226CNÎ÷ÃÅ×ÓPLCϵÁпɱà³Ì¿ØÖÆÆ÷£¬ÐԼ۱ȸߣ¬Ó²¼þÅäÖÃÆëÈ«£¬ËüµÄÌØµãÓëÐÔÄÜÈçÏ£º

(1)»úÄÚÓиßËÙ¼ÆÊýÆ÷£¬¿ÉͬʱÊäÈë6·¸ßËÙÂö³å£¬²¢¿ÉÊä³öƵÂʺÍÂö¿í¿Éµ÷µÄ¸ßËÙÂö³åÐźÅ¡£

(2)¾ßÓÐ21¸öÖжÏÔ´µÄÖжÏÓÅÏȹÜÀí£¬²¢ÅäÓÐRS485½Ó¿Ú£¬¿ÉʵÏÖPLC ÓëPC»úÖ®¼äµÄÔ¶³ÌͨѶ£¬±ãÓÚÉÏλ»ú¼à¿ØºÍÁªÍø¡£

(3)¾ßÓнṹ½ô´Õ¡¢×é×°Áé»î¡¢±à³Ì¼òµ¥£¬¿¹¸ÉÈÅÄÜÁ¦Ç¿¡¢¿É¿¿ÐԸߵÈÌØµã¡£

Óɴ˿ɼû£¬Ëü·Ç³£ÊÊÓÃÓÚ¹¤Òµ¿ØÖÆÖÐСÐÍ×Ô¶¯¿ØÖÆÏµÍ³¡£¾­·ÖÎö£¬¾ö¶¨²ÉÓÃCN-200ϵÁÐPLCϵÁпɱà³Ì¿ØÖÆÆ÷×÷Ϊ·¢µç»ú×é×Ô¶¯¿ØÖÆÏµÍ³µÄºËÐIJ¿¼þ¡£

3.2 PLC ÅäÖü°I/OµÄ·ÖÅäºÍ¹¦ÄÜ

¾­¹ý·ÖÎö£¬±¾ÏµÍ³²ÉÓÃ10¸ö¿ª¹ØÁ¿ÊäÈ룬10¸ö¿ª¹ØÁ¿Êä³öºÍ3¸öÄ£ÄâÁ¿ÊäÈ룬¼´¿ÉÂú×ãϵͳ¿ØÖÆÐèÇó£¬Òò´Ë¡ª¡ªPLCÅäÖÃÈçÏÂ

Î÷ÃÅ×ÓPLC CPUÄ£¿é£º6ES7 216-2BD23-0XB8

ζȿØÖÆÄ£¿é£º6ES7 235-0KD22-0XA8

I/OµÄ·ÖÅäºÍ¹¦ÄÜÈçÏ£º

¿ª¹ØÁ¿ÊäÈ룺

IO.0:ÊäÈëÖÐ¶Ï (ÅäºÏÂö¿íµ÷ÖÆÊ¹ÓÃ)

IO.1:·½Ê½Ñ¡Ôñ (0-Ô¶³Ì¿ØÖÆ 1-×Ô¶¯)

IO.2:Êеç¼ì²â (0-ÎÞÊеç 1-ÓÐÊеç)

IO.3:»úµç¼ì²â (0-ÎÞ»úµç 1-Óлúµç)

IO.4:ÓÍѹµÍ (0-ÓÍѹÕý³£ 1-ÓÍѹƫµÍ)

IO.5:ÓÍË®ÎÂ¸ß (0-ÓÍË®ÎÂÕý³£ 1-ÓÍË®ÎÂÆ«¸ß)

IO.6:¸ßËÙ¼ÆÊýÆ÷HSCI (ÀûÓøßËÙ¼ÆÊýÆ÷¼ì²âÆô¶¯µç³Øµçѹ)

IO.7:½ô¼±Í£³µ (0-·Ç½ô¼±Í£³µ×´Ì¬ 1-½ô¼±Í£³µ×´Ì¬)

IO.0:¸´Î» (1-ÊÖ¶¯¸´Î»)

(ÀûÓøßËÙ¼ÆÊýÆ÷¼ì²âתËÙ)

¿ª¹ØÁ¿ÊäÈ룺

Q0.0:¸ßËÙÂö³åÊä³ö (ͨ¹ý¿ØÖÆÖ±Á÷µç´ÅÌúµ÷½ÚתËÙ)

Q0.1:Í£»ú (1-Í£»úµç´Å·§¶¯×÷)

Q0.2:Æô¶¯ (1-Æô¶¯Âí´ï¶¯×÷)

Q0.3:ÊеçºÏÕ¢ (1-ÊеçÖ÷¿ª¹Ø¶¯×÷)

Q0.4:»úµçºÏÕ¢ (1-»úµçÖ÷¿ª¹Ø¶¯×÷)

Q0.5:ÈýÆôʧ°Ü (1-ÈýÆôʧ°ÜÐźŵÆÁÁ)

Q0.6:»ú×é¹ÊÕÏ (1-»ú×é¹ÊÕÏÐźŵÆÁÁ)

Q0.7:¾¯Áå (1-¾¯ÁåÏì)

Q1.0:×Ô¶¯Ç¿¼¤´Å (1-Ç¿¼¤´Å¼ÌµçÆ÷¶¯×÷)

Q1.1:ÀäÆô¶¯×Ô¶¯¸¨Öú (1-ÀäÆô¶¯¸¨Öú×°Öõç´Å·§¶¯×÷)

Ä£ÄâÁ¿ÊäÈ룺

AIW0:ĸÏßµçѹ

AIW2:ĸÏßµçÁ÷

AIW4:¸ºÔع¦ÂÊ

Î÷ÃÅ×ÓPLCÔÚ±¸Ó÷¢µç³§µÄÓ¦ÓÃ

4 ϵͳʵÏÖ

·¢µçÕ¾×Ô¶¯»¯¼à¿ØÏµÍ³ÓÉ»ú×é×Ô¶¯ÆôÍ£¿ØÖÆ£¬×ªËÙ×Ô¶¯µ÷½Ú£¬µçÁ¿²ÎÊý×Ô¶¯¼ì²â£¬¹ÊÕÏ×Ô¶¯¼ì²âµÈ¹¦ÄÜÄ£¿é×é³É¡£

4.1 ÖÆ¶¯ÆôÍ£¿ØÖÆ

±¾¹¦ÄÜÄ£¿éÊǸù¾Ý¸÷¿ª¹ØÁ¿µÄÊäÈë״̬£¬×Ô¶¯¿ØÖÆ»ú×éµÄÆô¶¯¡¢Í£Ö¹ºÍ»úµçÓëÊеçµÄÏ໥Çл»¡£ÕâÖ÷ÒªÊôÓÚ˳Ðò¿ØÖƾßÓнÏÇ¿µÄÂß¼­¿ØÖÆ¡£ÓÃCPU226CNÎ÷ÃÅ×ÓPLCʵÏÖ¼òÒ×¶ø¿É¿¿¡£

4.2 תËÙµ÷½Ú

ÓÍ»úתËÙµ÷½ÚÊÇͨ¹ýCPUÖиßËÙÂö³åÊä³öÂö¿íµ÷ÖÆ(PWM)¹¦Äܵ÷½Ú¿É¿ØÖ±Á÷µç´ÅÌú¿ØÖƲñÓÍ»úÓÍÃÅ¿ª¶ÈÀ´ÊµÏֵġ£ÓÃCPUʵÏÖתËÙµ÷½Ú·½·¨ÈçÏ£º×ªËÙÐźÅÓɰ²×°ÔÚ²ñÓÍ»úÉϴŵçʽ´«¸ÐÆ÷»ñµÃ£¬CPUͨ¹ý¸ßËÙ¼ÆÊýÆ÷²âÁ¿ÓÍ»úתËÙ£¬²âµÃתËÙÐźÅËÍÈëPIDµ÷½ÚÆ÷£¬½«µ÷½ÚÆ÷Êä³öµÄÊý×ÖÁ¿×ª»»ÎªÂö³å¿í¶ÈµÄʱ¼äÁ¿£¬ÔÙͨ¹ýCPUÖеÄÂö¿í¿Éµ÷µÄ¸ßËÙÂö³åÊä³ö(QO£¬0)£¬¾­¹ý¹¦ÂÊÇý¶¯Æ÷¿ØÖƿɿØÖÆÖ±Á÷µç´ÅÌúµ÷½Ú½ôÓÍ»úÃÅ¿ª¶È´óС£¬´Ó¶øÊµÏÖ¶ÔÓÍ»úתËٵĵ÷½Ú¡£

ÉùÃ÷£º²¿·ÖÄÚÈÝÀ´Ô´ÓÚÍøÂ磬ÈçÇÖȨÇëºǫ́ÁôÑÔÁªÏµÉ¾³ý¡£