6ES7390-1AF30-0AA0S7-300PLC用导轨长度530MM50元6ES7390-1AJ30-0AA0S7-300PLC用导轨长度830MM100元6XV1-830-0EH10SIEMENSL2电缆2芯屏蔽（总线电缆或PROFIBUS电缆）3.8元/M6ES7972-0BA12-0XA0PROFIBUS总线连接器不带编程口垂直电缆引出线35元/100PCS6ES7972-0BB12-0XA0PROFIBUS总线连接器带编程口垂直电缆引出线35元/100PCS6XV1-830-0AH10SIEMENSL2电缆2芯屏蔽（总线电缆或PROFIBUS电缆）6ES7972-0BA41-0XA0PROFIBUS总线连接器不带编程口35度电缆引出线60元6ES7972-0BB41-0XA0PROFIBUS总线连接器带编程口35度电缆引出线80元6ES7972-0CA23-0XA0S7-300PCAdapterV5.1PC/MPI适配器1500元6ES7972-0CB20-0XA0S7-300USB口PC/MPI适配器1600元6GK1561-1AA00S7-3005611卡6ES7195-1GF30-0XA0S7-300用热插拔导轨长度530MM6ES7392-1AJ00-0AA0S7-300用前连接器20针80元6ES7392-1AM00-0AA0S7-300用前连接器40针120元)