PLCÒÔÆäÏÔÖøµÄÓŵã¶ø¹ã·ºÓÃÓÚ¹¤Òµ¿ØÖÆ £¬Æäʵ¼ÊÓ¦ÓÃÉæ¼°µÄÎÊÌâÐí¶à £¬±¾ÎÄÖ»ÊǾÍÆäÏÖ³¡×°ÖúÍά»¤ÎÊÌâÌá³öÁËһЩעÒâÊÂÏî £¬¹©´ÓÊÂPLCÉè¼Æ¼°Ó¦ÓÃÈËÔ±²Î¿¼¡£
1¡¢PLCµÄ×°ÖÃ
PLCÊÊÓÃÓÚ´ó´ó¶¼¹¤ÒµÏÖ³¡ £¬µ«Ëü¶ÔʹÓó¡ºÏ¡¢Çé¿öζȵÈÕÕ¾ÉÓÐÒ»¶¨ÒªÇ󡣿ØÖÆPLCµÄÊÂÇéÇé¿ö £¬¿ÉÒÔÓÐЧµØÌá¸ßËüµÄÊÂÇéЧÂʺÍÊÙÃü¡£ÔÚ×°ÖÃPLCʱ £¬Òª±Ü¿ªÏÂÁг¡ºÏ£º
(1)Çé¿öζÈÁè¼Ý0 ~ 50¡æµÄ¹æÄ££»
(2)Ïà¶Ôʪ¶ÈÁè¼Ý85%»òÕß±£´æ¶ˮÄý¾Û(ÓÉζÈÍ»±ä»òÆäËûÒòËØËùÒýÆðµÄ)£»
(3)Ì«Ñô¹âÖ±½ÓÕÕÉ䣻
(4)Óи¯»¯ºÍÒ×ȼµÄÆøÌå £¬ÀýÈçÂÈ»¯Çâ¡¢Áò»¯ÇâµÈ£»
(5)ÓÐÉó²ìÌúм¼°»Ò³¾£»
(6)Ƶ·±»òÁ¬ÐøµÄÕñ¶¯ £¬Õñ¶¯ÆµÂÊΪ10 ~ 55Hz¡¢·ù¶ÈΪ0.5mm(·å-·å)£»
(7)Áè¼Ý10g(ÖØÁ¦¼ÓËÙ¶È)µÄ¹¥»÷¡£
СÐͿɱà³Ì¿ØÖÆÆ÷Íâ¿ÇµÄ4¸ö½ÇÉÏ £¬¾ùÓÐ×°Öÿס£ÓÐÁ½ÖÖ×°ÖÃÒªÁì £¬Ò»ÊÇÓÃÂݶ¤ÀÎ¹Ì £¬²î±ðµÄµ¥Î»Óвî±ðµÄ×°Öóߴç;ÁíÒ»ÖÖÊÇDIN(µÂ¹ú¹²ºÍ±ê×¼)¹ìµÀÀι̡£DIN¹ìµÀÅäÌ×ʹÓõÄ×°ÖÃ¼Ð°å £¬×óÓÒ¸÷Ò»¶Ô¡£ÔÚ¹ìµÀÉÏ £¬ÏÈ×°ºÃ×óÓÒ¼Ð°å £¬×°ÉÏPLC £¬È»ºóÅ¡½ôÂݶ¤¡£ÎªÁËʹ¿ØÖÆϵͳÊÂÇé¿É¿¿ÐÔ £¬Í¨³£°Ñ¿É±à³Ì¿ØÖÆÆ÷×°ÖÃÔÚÓб£»¤Íâ¿ÇµÄ¿ØÖƹñÖÐ £¬ÒÔ±ÜÃâ»Ò³¾¡¢ÓÍÎÛ¡¢Ë®½¦¡£ÎªÁË°ü¹Ü¿É±à³Ì¿ØÖÆÆ÷ÔÚÊÂÇé״̬ÏÂÆäζȼá³ÖÔÚ»®¶¨Çé¿öζȹæÄ£ÄÚ £¬×°ÖûúеӦÓÐ×ã¹»µÄͨ·ç¿Õ¼ä £¬»ù±¾µ¥Î»ºÍÀ©Õ¹µ¥Î»Ö®¼äÒªÓÐ30mmÒÔÉϼä¸ô¡£Èç¹ûÖÜΧÇé¿öÁè¼Ý55C £¬Òª×°ÖõçµçÉÈ £¬Ç¿ÆÈͨ·ç¡£
ΪÁËÖÆÖ¹ÆäËûÍâΧÉ豸µÄµç×ÌÈÅ £¬¿É±à³Ì¿ØÖÆÆ÷Ó¦¾¡¿ÉÄÜÔ¶Àë¸ßѹµçÔ´Ïߺ͸ßѹÉ豸 £¬¿É±à³Ì¿ØÖÆÆ÷Óë¸ßѹÉ豸ºÍµçÔ´ÏßÖ®¼äÓ¦Áô³öÖÁÉÙ200mmµÄ¾àÀë¡£
µ±¿É±à³Ì¿ØÖÆÆ÷±ÊÖ±×°ÖÃʱ £¬ÒªÑÏ·Àµ¼ÏßÍ·¡¢ÌúмµÈ´Óͨ·ç´°µôÈë¿É±à³Ì¿ØÖÆÆ÷ÄÚ²¿ £¬Ôì³ÉÓ¡Ë¢µç·°å¶Ì· £¬Ê¹Æä²»¿ÉÕý³£ÊÂÇéÉõÖÁÓÀ¾ÃË𻵡£
2¡¢µçÔ´½ÓÏß
PLC¹©µçµçԴΪ50Hz¡¢220V¡À10%µÄ½»Á÷µç¡£
FXϵÁпɱà³Ì¿ØÖÆÆ÷ÓÐÖ±Á÷24VÊä³ö½ÓÏ߶ˡ£¸Ã½ÓÏ߶˿ÉΪÊäÈë´«¸Ð(Èç¹âµç¿ª¹Ø»ò½Ó½ü¿ª¹Ø)ÌṩֱÁ÷24VµçÔ´¡£
Èç¹ûµçÔ´±¬·¢¹ÊÕÏ £¬ÖжÏʱ¼äÉÙÓÚ10ms £¬PLCÊÂÇé²»ÊÜÓ°Ïì¡£ÈôµçÔ´ÖжÏÁè¼Ý10ms»òµçԴϽµÁè¼ÝÔÊÐíÖµ £¬ÔòPLCÍ£Ö¹ÊÂÇé £¬ËùÓеÄÊä³öµã¾ùͬʱ¶Ï¿ª¡£µ±µçÔ´»Ö¸´Ê± £¬ÈôRUNÊäÈë½Óͨ £¬Ôò²Ù×÷×Ô¶¯½øÐС£
¹ØÓÚµçÔ´ÏßÀ´µÄ×ÌÈÅ £¬PLC×Ô¼º¾ßÓÐ×ã¹»µÄµÖÖÆÄÜÁ¦¡£Èç¹ûµçÔ´×ÌÈÅÌرðÑÏÖØ £¬¿ÉÒÔ×°ÖÃÒ»¸ö±ä±ÈΪ1:1µÄ¸ôÀë±äѹÆ÷ £¬ÒÔ¼õÉÙÉ豸ÓëµØÖ®¼äµÄ×ÌÈÅ¡£
3¡¢½ÓµØ
Á¼ºÃµÄ½ÓµØÊÇ°ü¹ÜPLC¿É*ÊÂÇéµÄÖØÒªÌõ¼þ £¬¿ÉÒÔÖÆֹżȻ±¬·¢µÄµçѹ¹¥»÷Σº¦¡£½ÓµØÏßÓë»úеµÄ½ÓµØ¶ËÏà½Ó £¬»ù±¾µ¥Î»½ÓµØ¡£Èç¹ûÒªÓÃÀ©Õ¹µ¥Î» £¬Æä½ÓËùÔÚÓ¦Óë»ù±¾µ¥Î»µÄ½ÓËùÔÚ½ÓÔÚÒ»Æð¡£ÎªÁËÒÖÖƼÓÔÚµçÔ´¼°ÊäÈë¶Ë¡¢Êä³ö¶ËµÄ×ÌÈÅ £¬Ó¦¸ø¿É±à³Ì¿ØÖÆÆ÷½ÓÉÏרÓõØÏß £¬½ÓËùÔÚÓ¦Ó붯Á¦É豸(Èçµç»ú)µÄ½ÓËùÔÚÀ뿪¡£Èô´ï²»µ½ÕâÖÖÒªÇó £¬Ò²±ØÐë×öµ½ÓëÆäËûÉ豸¹«¹²½ÓµØ £¬½ûÖ¹ÓëÆäËûÉ豸´®Áª½ÓµØ¡£½ÓËùÔÚÓ¦¾¡¿ÉÄܽӽüPLC¡£
4¡¢Ö±Á÷24V½ÓÏ߶Ë
ʹÓÃÎÞÔ´´¥µãµÄÊäÈëÆ÷¼þʱ £¬PLCÄÚ²¿24VµçԴͨ¹ýÊäÈëÆ÷¼þÏòÊäÈë¶ËÌṩÿµã7mAµÄµçÁ÷¡£
PLCÉϵÄ24V½ÓÏ߶Ë×Ó £¬»¹¿ÉÒÔÏòÍⲿ´«¸ÐÆ÷(Èç½Ó½ü¿ª¹Ø»ò¹âµç¿ª¹Ø)ÌṩµçÁ÷¡£24V¶Ë×Ó×÷´«¸ÐÆ÷µçԴʱ £¬COM¶Ë×ÓÊÇÖ±Á÷24VµØ¶Ë¡£Èç¹û½ÓÄÉÀ©Õ¹º£Ô± £¬ÔòÓ¦½«»ù±¾µ¥Î»ºÍÀ©Õ¹µ¥Î»µÄ24V¶ËÁ¬½ÓÆðÀ´¡£ÁíÍâ £¬ÈκÎÍⲿµçÔ´²»¿É½Óµ½Õâ¸ö¶Ë×Ó¡£
Èç¹û±¬·¢¹ýÔØÏÖÏó £¬µçѹ½«×Ô¶¯µøÂä £¬¸ÃµãÊäÈë¶Ô¿É±à³Ì¿ØÖÆÆ÷²»Æð×÷Óá£
ÿÖÖÐͺŵÄPLCµÄÊäÈëµãÊýÁ¿ÊÇÓ뮶¨µÄ¡£¶Ôÿһ¸öÉÐδʹÓõÄÊäÈëµã £¬Ëü²»ºÄµç £¬Òò´ËÔÚÕâÖÖÇé¿öÏ £¬24VµçÔ´¶Ë×ÓÏòÍ⹩µçÁ÷µÄÄÜÁ¦¿ÉÒÔÔö¼Ó¡£
FXϵÁÐPLCµÄ¿Õλ¶Ë×Ó £¬ÔÚÈκÎÇé¿ö϶¼²»¿ÉʹÓá£
5¡¢ÊäÈë½ÓÏß
PLCÒ»°ã½ÓÊÜÐг̿ª¹Ø¡¢ÏÞλ¿ª¹ØµÈÊäÈëµÄ¿ª¹ØÁ¿Ðźš£ÊäÈë½ÓÏ߶Ë×ÓÊÇPLCÓëÍⲿ´«¸ÐÆ÷¸ºÔØת»»ÐźŵĶ˿ڡ£ÊäÈë½ÓÏß £¬Ò»°ãÖ¸Íⲿ´«¸ÐÆ÷ÓëÊäÈë¶Ë¿ÚµÄ½ÓÏß¡£
ÊäÈëÆ÷¼þ¿ÉÒÔÊÇÈκÎÎÞÔ´µÄ´¥µã»ò¼¯µç¼«¿ªÂ·µÄNPN¹Ü¡£ÊäÈëÆ÷¼þ½Óͨʱ £¬ÊäÈë¶Ë½Óͨ £¬ÊäÈëÏß·±ÕºÏ £¬Í¬Ê±ÊäÈëָʾµÄ·¢¹â¶þ¼«¹ÜÁÁ¡£
ÊäÈë¶ËµÄÒ»´Îµç·Óë¶þ´Îµç·֮¼ä £¬½ÓÄɹâµçñîºÏ¸ôÀë¡£¶þ´Îµç·´øRCÂ˲¨Æ÷ £¬ÒÔ±ÜÃâÓÉÓÚÊäÈë´¥µã²ü¶¶»ò´ÓÊäÈëÏß·´®ÈëµÄµçÔëÉùÒýÆðPLCÎóÐж¯¡£
ÈôÔÚÊäÈë´¥µãµç·´®Áª¶þ¼«¹Ü £¬ÔÚ´®Áª¶þ¼«¹ÜÉϵĵçѹӦСÓÚ4V¡£ÈôʹÓôø·¢¹â¶þ¼«¹ÜµÄÉà»É¿ª¹Ø £¬´®Áª¶þ¼«¹ÜµÄÊýÄ¿²»¿ÉÁè¼ÝÁ½Ö»¡£
ÁíÍâ £¬ÊäÈë½ÓÏß»¹Ó¦Ìرð×¢ÒâÒÔϼ¸µã£º
(1)ÊäÈë½ÓÏßÒ»°ã²»ÒªÁè¼Ý30m¡£µ«Èç¹ûÇé¿ö×ÌÈŽÏС £¬µçѹ½µ²»´óʱ £¬ÊäÈë½ÓÏß¿ÉÊʵ±³¤Ð©¡£
(2)ÊäÈë¡¢Êä³öÏß²»¿ÉÓÃͬһ¸ùµçÀ £¬ÊäÈë¡¢Êä³öÏßÒªÀ뿪¡£
(3)¿É±à³Ì¿ØÖÆÆ÷ËùÄܽÓÊܵÄÂö³åÐźŵĿí¶È £¬Ó¦´óÓÚɨÃèÖÜÆÚµÄʱ¼ä¡£
6¡¢Êä³ö½ÓÏß
(1)¿É±à³Ì¿ØÖÆÆ÷Óм̵çÆ÷Êä³ö¡¢¾§Õ¢¹ÜÊä³ö¡¢¾§Ìå¹ÜÊä³ö3ÖÖÐÎʽ¡£
(2)Êä³ö¶Ë½ÓÏß·ÖΪ¶ÀÁ¢Êä³öºÍ¹«¹²Êä³ö¡£µ±PLCµÄÊä³ö¼ÌµçÆ÷»ò¾§Õ¢¹ÜÐж¯Ê± £¬Í¬Ò»ºÅÂëµÄÁ½¸öÊä³ö¶Ë½Óͨ¡£ÔÚ²î±ð×éÖÐ £¬¿É½ÓÄɲî±ðÀàÐͺ͵çѹƷ¼¶µÄÊä³öµçѹ¡£µ«ÔÚͬһ×éÖеÄÊä³öÖ»ÄÜÓÃͬһÀàÐÍ¡¢Í¬Ò»µçѹƷ¼¶µÄµçÔ´¡£
(3)ÓÉÓÚPLCµÄÊä³öÔª¼þ±»·â×°ÔÚÓ¡ÖƵç·°åÉÏ £¬²¢ÇÒÁ¬½ÓÖÁ¶Ë×Ó°å £¬Èô½«Á¬½ÓÊä³öÔª¼þµÄ¸ºÔضÌ· £¬½«ÉÕ»ÙÓ¡ÖƵç·°å £¬Òò´Ë £¬Ó¦ÓÃÈÛË¿±£»¤Êä³öÔª¼þ¡£
(4)½ÓÄɼ̵çÆ÷Êä³öʱ £¬ÃÉÊܵĵç¸ÐÐÔ¸ºÔؾÞϸӰÏìµ½¼ÌµçÆ÷µÄÊÂÇéÊÙÃü £¬Òò´Ë¼ÌµçÆ÷ÊÂÇéÊÙÃüÒªÇ󳤡£
(5)PLCµÄÊä³ö¸ºÔØ¿ÉÄܱ¬·¢ÔëÉù×ÌÈÅ £¬Òò´ËÒª½ÓÄɲ½·¥¼ÓÒÔ¿ØÖÆ¡£
±ðµÄ £¬¹ØÓÚÄÜʹÓû§Ôì³ÉÉ˺¦µÄΣÏÕ¸ºÔØ £¬³ýÁËÔÚ¿ØÖƳÌÐòÖмÓÒÔ¿¼ÂÇÖ®Íâ £¬»¹Ó¦Éè¼ÆÍⲿ½ô¼±Í£³µµç· £¬Ê¹µÃ¿É±à³Ì¿ØÖÆÆ÷±¬·¢¹ÊÕÏʱ £¬Äܽ«ÒýÆðÉ˺¦µÄ¸ºÔصçÔ´Çжϡ£½»Á÷Êä³öÏߺÍÖ±Á÷Êä³öÏß²»ÒªÓÃͬһ±¾µçÀ £¬Êä³öÏßÓ¦¾¡Á¿Ô¶Àë¸ßѹÏߺͶ¯Á¦Ïß £¬ÖÆÖ¹²¢ÐС£