Fully support USB to PROFIBUS/MPI/PPI communication,use the Siemens special protocol processing chip,100% compatible with Siemens original PC Adapter USB and even have more powerful function.,isolated and the largest speed is 1.5Mbps. Adopt the same structure with the Siemens CP5711, USB port supply the power. Besides it can be used for S7-200/300/400 PLC,it also can be used for HMI,CNC etc other third party equipments,support long distance communication,allowed cable length meet the profibus standard.