西门子变频器MM420/MM430/MM440通过485总线进行的计算机控制程序，采用VB6.0编写.已经调试过。-Siemens inverter MM420/MM430/MM440 485 bus through the computer control procedures, using VB 6.0. Debugging has been off.

西门子变频器MM420/MM430/MM440通过485总线进行的计算机控制程序，采用VB6.0编写.已经调试过。-Siemens inverter MM420/MM430/MM440 485 bus through the computer control procedures, using VB 6.0. Debugging has been off.

与多种变频器型号通讯代码(丹佛斯,台达VFD-F，台达VFD-P,三基SA系列,西门子MM430系列,英威腾CHF100,三菱F700,三基S3000/S800).-Drive model with a variety of communication code (Danfoss, Delta VFD-F, Delta VFD-P, three base SA series, Siemens MM430 series, INVT CHF