ÔÚÏÖʵ¹¤³ÌÏîÄ¿ÖÐ £¬£¬£¬£¬ÍùÍù»áÔÚϵͳÖÐʹÓÃÎ÷ÃÅ×Ó¸÷ϵÁеÄ×éºÏÀ´ÊµÏÖÏîÄ¿µÄ¸ü¼Ñ½â¾ö¼Æ»® £¬£¬£¬£¬Õâʱ¾ÍÐèÒª¶ÔÖÖÖÖϵÁеÄÎ÷ÃÅ×Ó PLCÖ®¼äʵÏÖͨѶ¹¦Ð§¡£ ¡£¡£±¾ÎÄÏÂÃæÏÈÈÝÒ»ÏÂÎ÷ÃÅ×ÓPLC?S7-200ϵÁÐÓëÎ÷ÃÅ×ÓPLC S7-300ϵÁÐÖ®¼äµÄPROFIBUS DPͨѶҪÁì £¬£¬£¬£¬¹©Óû§ÔÚÏÖʵÏîÄ¿µ÷ÊÔÀú³ÌÖоÙÐвο¼¡£ ¡£¡£
Î÷ÃÅ×ÓPLCÖ®¼äPROFIBUS DPͨѶ
ÔÚÎ÷ÃÅ×ÓPLC S7-200ϵÁкÍÎ÷ÃÅ×ÓPLC S7-300ϵÁÐÖ®¼ä £¬£¬£¬£¬Óû§¿ÉÒÔʹÓÃPROFIBUS DPͨѶ·½·¨¾ÙÐÐÊý¾Ý½»Á÷ £¬£¬£¬£¬ÊµÏÖÒªÁìÈçÏ£º
1. Ê×ÏÈ £¬£¬£¬£¬Óû§ÔÚÎ÷ÃÅ×ÓPLC±à³ÌÈí¼þSTEP7ÖÐн¨ÏîÄ¿ £¬£¬£¬£¬²¢ÇÒ²åÈëÒ»¸öS7-300µÄÕ¾£»£»£»£»
2. È»ºóÔÚÑ¡ÖÐSTEP7µÄÓ²¼þ×é̬´°¿ÚÖеIJ˵¥£ºÑ¡Ïî->×°ÖÃÐÂGSDÎļþ £¬£¬£¬£¬µ¼ÈëSIEM089D.GSDÎļþ £¬£¬£¬£¬×°ÖÃEM277´ÓÕ¾ÉèÖÃÎļþ£»£»£»£»
3. Óû§ÔÚµ¼ÈëGSDÎļþºó £¬£¬£¬£¬ÔÚÓÒ²àµÄ×°±¸Ñ¡ÔñÁбíÖÐÕÒµ½EM277´ÓÕ¾ £¬£¬£¬£¬PROFIBUS DP->ÌØÁíÍâÏÖ³¡×°±¸->Î÷ÃÅ×ÓPLC->EM277 £¬£¬£¬£¬²¢ÇÒƾ֤ͨѶ×Ö½ÚÊý £¬£¬£¬£¬Ñ¡ÔñÒ»ÖÖÉèÖà £¬£¬£¬£¬ÀýÈ磺ѡÔñ32×Ö½ÚÈë/32×Ö½Ú³öµÄ·½·¨£»£»£»£»
4. ÔÚSTEP7ÖÐ £¬£¬£¬£¬È·¶¨Î÷ÃÅ×ÓPLC S7-300Ó²¼þ×é̬ÖÐËùÉèÖõÄEM277µØµã£»£»£»£»
5. ×é̬Íê³ÉϵͳµÄÓ²¼þÉèÖÃºó £¬£¬£¬£¬Óû§½«±àÒëÏÂÔص½Î÷ÃÅ×ÓPLC S7-300µÄCPUÖС£ ¡£¡£ÔÚÎ÷ÃÅ×ÓPLC S7-200¶ÏµçµÄÇéÐÎÏ £¬£¬£¬£¬½«EM277µÄ²¦Â뿪¹Ø²¦µ½ÓëÎ÷ÃÅ×ÓPLC S7-300Ó²¼þ×é̬µÄÉ趨ֵһÖ£»£»£»£»
6. Óû§ÔÚÎ÷ÃÅ×ÓPLC S7-200Öбàд³ÌÐò½«¾ÙÐн»Á÷µÄÊý¾Ý´æ·ÅÔڵصã¶ÎÖÐ £¬£¬£¬£¬ÀýÈ磺VB0-VB63 £¬£¬£¬£¬¶ÔÓ¦Î÷ÃÅ×ÓPLC S7-300µÄPQB0-PQB31ºÍPIB0-PIB31 £¬£¬£¬£¬È»ºó·¿ª±à³ÌÈí¼þSTEP7ÖеıäÁ¿±íºÍSTEP7 MicroWin SP9µÄ״̬±í¾ÙÐмà¿Ø £¬£¬£¬£¬ÅжÏÊý¾Ý´«ÊäÊÇ·ñ׼ȷ¡£ ¡£¡£
Î÷ÃÅ×ÓPLC S7-200ϵÁкÍS7-300ϵÁж¼¾ßÓÐÇ¿Ê¢µÄͨѶ¹¦Ð§ £¬£¬£¬£¬ÎªÓû§ÔÚ¹¤Òµ¿ØÖÆÁìÓòÖÐÌṩ½â¾öÒªÁìµÄͬʱ £¬£¬£¬£¬ËüÃÇÖ®¼ä¿ÉÒÔÎÞаµÄÉèÖà £¬£¬£¬£¬Í¨¹ý¶àÖÖ·½·¨ÊµÏÖͨѶ¹¦Ð§ £¬£¬£¬£¬ÀýÈ磺PROFIBUS DPͨѶ £¬£¬£¬£¬´Ó¶øΪÕûÌ׿ØÖÆϵͳµÄÊý¾Ý½»Á÷ÌṩÁË°ü¹Ü¡£ ¡£¡£