电能表通讯程序，用VB实现的。用于电能表电量和电压电流数据的读取，采用DL/T645-1997协议，适合初学者参考。-Energy meter communication program, using VB. It is used for reading nergy meter s power and voltage and current data .The program uses DL/T645-1997 protocol, suitable for beginners.