详细描述了同三菱Fx5U的通信格式。 例如：读取D0--D3 PC发送字符串：50 00 00 FF 03 FF 00 00 18 00 10 04 01 00 00 D* 00 00 00 00 04 写M1200--M1207 PC发送字符串500000FF03FF000020001014010001M*001200000810101010 还有ASCLL码协议