Data Transmission Optimization Based on Memobus RTU Communication Protocol

The article introduces the constitution and message format of Memo bus RTU Communication Protocol, and provides a method for data transfer optimization through by the analysis of the communication protocol format. This method is fit on the inverter and controller which is based on the Memo bus RTU communication protocol and utilized theRS-485 port while the data being transported. By Considering this kind of inverter's distribution, this paper puts forward a method which is based on dividing by functional data block, able to sequence rankly criterion of the function data block, and able to transport date block divided by the function, thereby, this method decreases the redundancy enormously, elevates the system response speed, and solves the technical problem of controller PID output port's real time remote control to multiple inverters.