Î÷ÃÅ×ÓPLCÖ§³ÖºÃ¶àÖÖͨѶºÍ̸£¬ÖØÒª·ÖΪÁ½ÖÖ£¬Ò»ÖÖÊÇ´®¿ÚͨѶ£¬Ò»ÖÖÊÇÒÔÌ«ÍøÍ¨Ñ¶£¬Í¬Ê±Ò²Äܹ»Í¨¹ýOPCʵÏÖÊý¾ÝͨѶ¡£
Î÷ÃÅ×ÓPLC³£ÓõĴ®¿ÚͨѶ¹æ»®ÈçÏÂËùʾ£º
PPIͨѶ£ºPPIͨѶֻÕë¶ÔS7-200ºÍS7-200 SmartϵÁÐPLC£¬ÆäËûÐͺŲ»Ö§³Ö¡£
ModbusRTUÖ÷Õ¾£ºÎ÷ÃÅ×ÓPLC¶ÔModbusºÍ̸֧³Ö»¹ÊDZÈÁ¦²»´íµÄ£¬ÕâÀïÊÇÖ¸PLC×öSlave£¨¼´´ÓÕ¾£©£¬ÉÏλ»ú×öMaster£¨¼´Ö÷Õ¾£©¡£
ModbusRTU´ÓÕ¾£ºÕâÀïÊÇÖ¸PLC×öMaster£¨¼´Ö÷Õ¾£©£¬ÉÏλ»ú×öSlave£¨¼´´ÓÕ¾£©¡£
Î÷ÃÅ×ÓPLC³£ÓõÄÒÔÌ«ÍøÍ¨Ñ¶¹æ»®ÈçÏÂËùʾ£º
S7ͨѶ£º¸ù»ùÉÏ´ÓS7-200µ½S7-1500¾ùÄܹ»ÊµÏÖ£¬ÕâÀïÓкöàÄܹ»Ñ¡ÔñµÄ¿ªÔ´»òóÒ׿⣬Ô̺¬http://s7.net¡¢pronodave¡¢libnodave¡¢sharp7£¬Ò²Äܹ»×Ô¼º·âװͨѶ¿â¡£
ModbusTCP Server£ºÕâÀïÊÇÖ¸PLC×öServer£¨¼´·þÎñÆ÷£©£¬ÉÏλ»ú×öClient£¨¼´¿Í»§¶Ë£©¡£
ModbusTCP Client£ºÕâÀïÊÇÖ¸PLC×öClient£¨¼´¿Í»§¶Ë£©£¬ÉÏλ»ú×öServer£¨¼´·þÎñÆ÷£©¡£
OpenProtocol Server£ºÕâÀïÊÇָʢ¿ªÊ½TCPͨѶ£¬PLC×öTCPServer£¨¼´·þÎñÆ÷£©£¬ÉÏλ»ú×öTCPClient£¨¼´¿Í»§¶Ë£©¡£
OpenProtocol Client£ºÕâÀïÊÇÖ¸PLC×öTCPClient£¨¼´¿Í»§¶Ë£©£¬ÉÏλ»ú×öTCPServer£¨¼´·þÎñÆ÷£©¡£
Î÷ÃÅ×ÓPLC³£ÓõÄOPCͨѶ¹æ»®ÈçÏÂËùʾ£º
PC AccessϵÁУºÎ÷ÃÅ×ÓÕë¶ÔS7-200¿ª·¢PC-AccessÈí¼þ£¬Õë¶ÔS7-200 SmartÓÖÌṩÁËPC-Access SmartÈí¼þ£¬Äܹ»Ö±½Óͨ¹ýÕâЩÈí¼þʵÏÖOPCDAͨѶ¡£
Simatic Net ϵÁÐOPCDA£ºSimatic NetÊÇÎ÷ÃÅ×ÓÖ÷ÍÆµÄOPCÈí¼þ£¬Ö§³ÖÎ÷ÃÅ×ÓȫϵÁУ¬ÕâÀïÖØÒªÊÇOPCDAͨѶ·½Ê½¡£
Simatic Net ϵÁÐOPCUA£ºÐ°æµÄSimatic NetÒ²ÆðÍ·Ö§³ÖOPCUA£¬ÕâÀïÖØÒªÊÇOPCUAͨѶ·½Ê½¡£
KepServer ϵÁÐOPCDA£ºKepServerͬÑù×÷Ϊһ¿îóÒ×OPCÈí¼þ£¬ÔÚ¹úÄÚʹÓÃÂʼ«¶È¸ß£¬Í¬ÑùÒ²Ö§³ÖÎ÷ÃÅ×ÓȫϵÁУ¬ÕâÀïÖØÒªÊÇOPCDAͨѶ·½Ê½¡£
Simatic Net ϵÁÐOPCUA£ºÐ°æµÄKepServerÒ²ÆðÍ·Ö§³ÖOPCUA£¬ÕâÀïÖØÒªÊÇOPCUAͨѶ·½Ê½¡£
......
¹«º£¹ó±ö»áÔ±¼ì²âÖÐÐÄËÄ·½×÷ΪÎ÷ÃÅ×Ó¹¤ÒµÁìÓò½ü¶þÊ®ÄêÕ½ÊõºÏ×÷ͬ°é£¬ÒÔ¶ÔÖйú¹¤Òµ·¢Õ¹¹ý³ÌµÄÉî¿ÌÀí½âºÍ¶´²ì£¬½«×ÔÖ÷Ñз¢µÄ¹¤Òµ»¥ÁªÍøÆ½Ì¨ºÍÊÀ½ç¼¶ÖÇÄÜÔì×÷¼¼Êõ¼°½â¾ö¹æ»®ÓëÎÒ¹ú¹¤Òµ·¢Õ¹Ê¾ÊµÏà½áºÏ£¬ÐγÉÁËÐÐÒµµ±ÏȵÄÖÇÄÜÔì×÷ÕûÌå·þÎñÄÜÁ¦£¬²¢×ÔÖ÷Ñз¢ÁËÕ¼ÓÐ×ÔÖ÷֪ʶ²úȨµÄ¡°ÊýÍøÐǹ¤Òµ»¥ÁªÍøÆ½Ì¨¡±¼°ÏµÁл¯±ßÔµÍÆËã¡¢Êý¾Ý²É¼¯¡¢ÍøÂ硢ͨѶ¡¢µçÆøÅäÌ×µÈÈíÓ²¼þ²úÆ·¡£Óиü¶àÄÚÈÝÓ½ÓÓëÎÒÃǹµÍ¨¡£