广东电网低压电力用户集中抄表系统集中器上行通讯规约(Guangdong Power Grid Low-voltage Power User Centralized Meter Reading System Concentrator Uplink Communication Protocol)

基于MODBUS协议的智能电表数据采集传输设计，原理图库和PCB库(Design of data acquisition and transmission of intelligent meter based on Modbus protocol, schematic library and PCB Library)