Î÷ÃÅ×ÓPLC?S7-300ϵÁÐÔÚÖÐСÐÍ×Ô¶¯»¯¿ØÖÆϵͳÖÐÓ¦Óù㷺 £¬ËüͨѶ¹¦Ð§Ç¿´ó £¬ÄÜͨ¹ý¶àÖÖ·½·¨ÓëÉ豸¼°ÉÏλ»úÖ®¼ä½øÐÐͨѶ¡£ÆäÖÐÓ¦Óý϶àµÄÒ»ÖÖͨѶ·½·¨ÊÇPROFIBUS DPͨѶ £¬Ëü¿ÉÒÔʵÏÖÎ÷ÃÅ×ÓPLC S7-300ϵÁÐÓëµÚÈý·½É豸֮¼äµÄPROFIBUS DPÖ÷´ÓͨѶ¡£±¾ÎÄÏÂÃæ¶ÔÎ÷ÃÅ×ÓPLC S7-300µÄPROFIBUSDPͨѶµçÀµÄʹÓ÷½·¨×öÒ»¸öÆÊÎö½éÉÜ £¬¹©Óû§½øÐвο¼¡£
Î÷ÃÅ×ÓPLC DPµçÀÂʹÓÃÆÊÎö
Î÷ÃÅ×ÓPLCÔÚʹÓÃPROFIBUS DP½øÐÐͨѶÀú³ÌÖÐ £¬PROFIBUS DPµçÀÂÏßµÄͨ¶Ï £¬»áÓ°Ïìµ½ÏÖ³¡Õ¾Ö®¼äºÍÏÖ³¡Õ¾ÓëÖпصÄÁ¬½Ó £¬ÊÇϵͳÄÜÕý³£ÊÂÇéµÄ»ù´¡¡£ÅжÏDPÏßÊÇ·ñÕý³£µÄÒªÁì £¬½éÉÜһЩҪÁ죺
1. °ÑDPÏßÁ½¶ËµÄDPÍ·µÄÖն˵ç×趼´òµ½ONÉÏ £¬ÔÚÆäÖÐÒ»¶ÎÓÃÍòÓñíÁ¿DPÍ·3ºÅÒý½ÅºÍ8ºÅÒý½ÅÖ®¼äµÄµç×è £¬Õý³£ÕÉÁ¿ÖµÊÇ110Å·Ä·×óÓÒ£»
2. °ÑÕÉÁ¿¶ËµÄÖն˵ç×è´òµ½OFFÉÏ £¬Ô¶¶ËµÄ²»¶¯ £¬ÕâʱµÄÕý³£ÕÉÁ¿ÖµÊÇ220Å·Ä·×óÓÒ£»
3. °ÑÔ¶¶ËµÄÖն˵ç×è´òµ½OFFÉÏ £¬ÕÉÁ¿¶ËµÄÖն˵ç×è´òµ½ONÉÏ £¬ÕâʱÕý³£µÄÕÉÁ¿ÖµÒ²Ó¦¸ÃÊÇ220Å·Ä·×óÓÒ£»
4. °ÑÁ½¶ËµÄÖն˵ç×趼´òµ½OFFÉÏ £¬ÕâʱӦ¸ÃÊÇ¿ªÂ· £¬Á¿²»³öµç×è¡£
¼ÙÈç×ÜÏßÉÏÓв»Ö¹Ò»¸öDPÍ· £¬¿ÉÒÔÖ»ÕÉÁ¿Á½¶Ë £¬ÖмäµÄDPÍ·µÄÖն˵ç×è £¬Ê¼ÖÕ´¦ÔÚOFFÉϾͿÉÒÔÁË¡£Ç·ºàµÄ»° £¬¿ÉÒÔ·Ö¶ÎÕÉÁ¿¡£¿ÉÊǸüºÃ°ÑDPÍ·µÄ³öÏß²ðµôÀ´ÕÉÁ¿ £¬Åųý×ÌÈÅÒòËØ¡£
³£¼ûµÄDP¹ÊÕÏ £¬ÔÒòÄ¿Ç°·¢Ã÷Á½¸ö£º
1. ͨѶµçÀÂÖÊÁ¿²î £¬¿¹×ÌÈÅÄÜÁ¦²î(Ç°Ìá½ÓµØ £¬²¼ÏߺܺÏÀíµÄÇé¿ö) £¬Ò²ÓÐÓöµ½¹ýµÚÒ»´ÎÂòµÄͨѶµçÀ²»·ó £¬ÓÖʹÓÃÆäËûÖÖÀàµÄµçÀÂÇé¿ö £¬»ìÓã»
2. DP½ÓͷûÓÐ×öºÃ½ÓµØ £¬¾ÍÊǵçÀ½ÓÍ·´¦µÄÆÁ±ÎÏߺÍDPÍ·ÄڵĽðÊôƬ½Ó´¥Ç·ºÃ £¬ÔÙÕß¾ÍÊÇDPÍ·Ë𻵡£
Î÷ÃÅ×ÓPLC S7-300ϵÁоßÓÐÇ¿´óµÄͨѶ¹¦Ð§ £¬Óû§¿ÉÒÔͨ¹ýPROFIBUS DPµÄͨѶ·½·¨À´ÊµÏÖÎ÷ÃÅ×ÓPLC S7-300Ö®¼ä»òÎ÷ÃÅ×ÓPLC S7-300ϵÁÐÓëÆäËûÉ豸֮¼äµÄͨѶ¡£
×ÛÉÏËùÊö £¬Î÷ÃÅ×ÓPLC S7-300ϵÁоßÓÐÇ¿´óµÄͨѶ¹¦Ð§ £¬Óû§¿ÉÒÔͨ¹ýPROFIBUS DPµÄͨѶ·½·¨À´ÊµÏÖÎ÷ÃÅ×ÓPLC S7-300Ö®¼ä»òÎ÷ÃÅ×ÓPLC S7-300ϵÁÐÓëÆäËûÉ豸֮¼äµÄͨѶ¡£Óû§¿ÉÒԲο¼±¾ÎÄÌṩµÄÒªÁì½øÐÐPROFIBUS DPµçÀµÄÅäÖü°µ÷ÊÔ £¬²¢½«ÆäÓ¦Óõ½ÖÖÖÖ¿ØÖÆϵͳÖС£ÈçÓиü¶àÐèÇó½Ó´ýÓëÎÒÃÇÏàͬ¡£