S7-300/400ͨ¹ýÒÔÌ«Íø½Ó¿ÚÓëS7-200 SMART PLC Ö®¼äµÄS7ͨѶ¾¹ý²âÊÔÊÇ¿ÉÒԳɹ¦µÄ£¬µ«ÊÇÐèÒªS7-300/400²à±à³Ìµ÷ÓÃPUT/GETÖ¸Á¼û±í1Ëùʾ¡£

±í1
S7ͨÐŽéÉÜ
S7ͨÐÅÊÇS7ϵÁÐPLC»ùÓÚMPI¡¢PROFIBUS¡¢ETHERNETÍøÂçµÄÒ»ÖÖÓÅ»¯µÄͨÐÅÐÒ飬Ö÷ÒªÓÃÓÚS7-300/400PLCÖ®¼äµÄͨÐÅ¡£S7-300/400ͨ¹ýÒÔÌ«Íø½Ó¿ÚÓëS7-200 SMART PLC Ö®¼äµÄS7ͨѶ¾¹ý²âÊÔÊÇ¿ÉÒԳɹ¦µÄ£¬µ«ÊÇÐèÒªS7-300/400²à±à³Ìµ÷ÓÃPUT/GETÖ¸Á¼û±í1Ëùʾ¡£
±í 1 PUTºÍGET £ºS7-300/400¸ù¾ÝʹÓÃͨÐŽӿڣ¨¼¯³ÉµÄPN¿Ú»òCP343-1/CP443-1£©²»Í¬£¬µ÷ÓõŦÄÜ¿éÀ´Ô´Ò²²»Í¬¡£Í¨ÐŽӿÚΪS7-300 ¼¯³ÉPN½Ó¿Úʱ£¬ÐèҪʹÓÃStandard LibraryÖÐPUT/GETÖ¸Áî¡£
ͨÐŽӿÚΪS7-300 CPͨÐÅÄ£¿éʱ£¬ÐèҪʹÓÃSIMATIC_NET_CP ¿âÖÐPUT/GETÖ¸Áî¡£
S7-400 CPU²»Çø·ÖͨÐŽӿڣ¬ÐèҪʹÓÃSystem Function Blocks ÖеÄSFB14/SFB15Ö¸Áî¿é¡£
Ó²¼þ¼°ÍøÂç×é̬
±¾ÎÄÒÔ²ÉÓÃ1¸ö315-2PN/DP£¬1¸öS7-200 SMART PLCΪÀý£¬½éÉÜËüÃÇÖ®¼äµÄS7ͨÐÅ¡£ÔÚSTEP7Öд´½¨Ò»¸öÐÂÏîÄ¿£¬ÏîÄ¿Ãû³ÆÎªS7-300-SMART¡£²åÈë1¸öS7-300Õ¾£¬ÔÚÓ²¼þ×é̬ÖвåÈëCPU 315-2 PN/DP¡£
STEP7 ÏîÄ¿ÖвåÈëS7-300Õ¾µãÉèÖÃCPU 315-2PN/DPµÄIPµØÖ·£º192.168.0.1£¬Ó²¼þ×é̬Íê³Éºó£¬¼´¿ÉÏÂÔØ¸Ã×é̬¡£
ÉèÖÃCPU PN IPµØÖ·´ò¿ª¡°NetPro¡±ÉèÖÃÍøÂç²ÎÊý£¬Ñ¡ÖÐCPU 315-2PN/DP£¬ÔÚÁ¬½ÓÁбíÖн¨Á¢ÐµÄÁ¬½Ó¡£
Ñ¡Ôñ Unspecified Õ¾µã£¬Ñ¡ÔñͨѶÐÒé S7 connection£¬µã»÷ Apply¡£
ÔÚµ¯³öµÄS7 connectionÊôÐÔ¶Ô»°¿òÖУ¬¹´Ñ¡ Establish an active connection,ÉèÖÃPartner address:192.168.0.2(S7-200 SMART PLC IP µØÖ·)¡£
ÉèÖÃS7Á¬½Ó²ÎÊýµã»÷ 'Address Details' £¬ÔÙµ¯³öÀ´µÄ¶Ô»°¿òÉèÖà Partner µÄ Slot Ϊ1¡£µã»÷ OK¼´¿É¹Ø±Õ¸Ã¶Ô»°¿ò¡£
ÍøÂç×é̬´´½¨Íê³Éºó£¬ÐèÒª±àÒë¡£
±£´æ²¢±àÒëÁ¬½ÓÍøÂç×é̬±àÒëÎÞ´í£¬Êó±êÏȵã»÷ CPU 315-2PN/DP ,È»ºóµã»÷ÏÂÔØ°´Å¥ÏÂÔØÍøÂç×é̬¡£
³ÌÐò±à³Ì
¿ÉÒÔͨ¹ýSFB/FB 14 'GET'£¬´ÓÔ¶³ÌCPUÖжÁÈ¡Êý¾Ý¡£
S7-300£ºÔÚREQµÄÉÏÉýÑØ´¦¶ÁÈ¡Êý¾Ý¡£ÔÚREQµÄÿ¸öÉÏÉýÑØ´¦´«ËͲÎÊýID¡¢ADDR_1ºÍRD_1¡£ÔÚÿ¸ö×÷Òµ½áÊøÖ®ºó£¬¿ÉÒÔ·ÖÅäÐÂÊýÖµ¸øID¡¢ADDR_1ºÍRD_1²ÎÊý¡£
S7-400£ºÔÚ¿ØÖÆÊäÈëREQµÄÉÏÉýÑØ´¦Æô¶¯SFB¡£Ôڴ˹ý³ÌÖУ¬½«Òª¶ÁÈ¡µÄÇøÓòµÄÏà¹ØÖ¸Õë(ADDR_i)·¢Ë͵½»ï°éCPU¡£Ô¶³Ì»ï°é·µ»Ø´ËÊý¾Ý¡£ÔÚ ÏÂÒ»¸öSFB/FBµ÷Óô¦£¬ÒѽÓÊÕµÄÊý¾Ý±»¸´ÖƵ½×é̬µÄ½ÓÊÕÇø(RD_i)ÖС£±ØÐëҪȷ±£Í¨¹ý²ÎÊýADDR_iºÍRD_i¶¨ÒåµÄÇøÓòÔÚ³¤¶ÈºÍÊý¾ÝÀàÐÍ·½Ãæ ÒªÏ໥ƥÅ䡣ͨ¹ý״̬²ÎÊýNDRÊýֵΪ1À´Ö¸Ê¾´Ë×÷ÒµÒÑÍê³É¡£
Ö»ÓÐÔÚǰһ¸ö×÷ÒµÒѾÍê³ÉÖ®ºó£¬²ÅÄÜÖØÐ¼¤»î¶Á×÷Òµ¡£Ô¶³ÌCPU¿ÉÒÔ´¦ÓÚRUN»òSTOP¹¤×÷״̬¡£Èç¹û ÕýÔÚ¶ÁÈ¡Êý¾Ýʱ·¢Éú·ÃÎʹÊÕÏ£¬»òÈç¹ûÊý¾ÝÀàÐͼì²é¹ý³ÌÖгö´í£¬Ôò³ö´íºÍ¾¯¸æÐÅÏ¢½«Í¨¹ýERRORºÍSTATUSÊä³ö±íʾ¡£
ͨ¹ýʹÓÃSFB/FB 15 'PUT'£¬¿ÉÒÔ½«Êý¾ÝдÈëµ½Ô¶³ÌCPU¡£
S7-300£ºÔÚREQµÄÉÏÉýÑØ´¦·¢ËÍÊý¾Ý¡£ÔÚREQµÄÿ¸öÉÏÉýÑØ´¦´«ËͲÎÊýID¡¢ADDR_1ºÍSD_1¡£ÔÚÿ¸ö×÷Òµ½áÊøÖ®ºó£¬¿ÉÒÔ¸øID¡¢ADDR_1ºÍSD_1²ÎÊý·ÖÅäÐÂÊýÖµ¡£
S7-400£ºÔÚ¿ØÖÆÊäÈëREQµÄÉÏÉýÑØ´¦Æô¶¯SFB¡£Ôڴ˹ý³ÌÖУ¬½«Ö¸ÏòҪдÈëÊý¾ÝµÄÇøÓò(ADDR_i)µÄÖ¸ÕëºÍÊý¾Ý(SD_i)·¢Ë͵½»ï°éCPU¡£Ô¶³Ì»ï°é½«ËùÐèÒªµÄÊý¾Ý±£´æÔÚËæÊý¾ÝÒ»ÆðÌṩµÄµØÖ·ÏÂÃæ£¬²¢·µ»ØÒ»¸öÖ´ÐÐÈ·ÈÏ¡£±ØÐëҪȷ±£Í¨¹ý²ÎÊýADDR_iºÍSD_i¶¨ÒåµÄÇøÓòÔÚ±àºÅ¡¢³¤¶ÈºÍÊý¾ÝÀà ÐÍ·½ÃæÏ໥ƥÅä¡£
Èç¹ûûÓвúÉúÈκδíÎó£¬ÔòÔÚÏÂÒ»¸öSFB/FBµ÷ÓÃʱ£¬Í¨¹ý״̬²ÎÊýDONEÀ´Ö¸Ê¾£¬ÆäÊýֵΪ1¡£Ö»ÓÐÔÚ×îºóÒ»¸ö×÷ÒµÍê³ÉÖ®ºó£¬²ÅÄÜÔٴ줻îд×÷Òµ¡£Ô¶³Ì CPU¿ÉÒÔ´¦ÓÚRUN»òSTOPģʽ¡£Èç¹ûÕýÔÚдÈëÊý¾Ýʱ·¢Éú·ÃÎʹÊÕÏ£¬»òÈç¹ûÖ´Ðмì²é¹ý³ÌÖгö´í£¬Ôò³ö´íºÍ¾¯¸æÐÅÏ¢½«Í¨¹ýERRORºÍSTATUSÊä³ö ±íʾ¡£´ò¿ªSIMATIC 315 PN-1µÄOB1£¬ÔÚOB1ÖÐÒÀ´Îµ÷ÓÃFB14£¬FB15¡£