Profibus-DP总线地址:设备地址输入地址 输出地址PC主站0S7 315-2DP2IB0QB0变频器MM4203IB256IB263IB264IB267QB256QB263QB264QB267落料单元EM2774IB2_IB6QB2QB3喷涂烘干单元EM2775IB7IB14QB4QB5加盖单元EM2776IB15IB20QB6QB7顶销单元EM2777IB21IB26QB8QB9检