The Research about Remote Transmit Manage Unit which is Based on ModBus Protocol

ModBus Protocol is researched and developed by MODICOM company which owns its copyright.The research about Remote Transmit Manage Unit applies the opened ModBus protocol. The text of protocol itself is very simple and can be easily obtained.The protocol is surpported by both domestic manufacturers and international manufacturers.According to the device which we will research,we apply a mini-subsets of Modbus protocol and dont realize all content