This simple project describes a neat IEC1107 to RS232 interface that together with some software allows a PC to talk to the meter and retrieve energy consumption information

电脑RS232转RS485接口，读取进口电能表（IEC1107规约）的数据并显示。VB开发环境。　通用读取程序，在兰吉尔电表测试通过。-Computer RS232 to RS485 interface, read the the imported energy meter (IEC1107 Statute) of data and display. VB development environment. General reading program, by Langille meter te