Introduction - If you have any usage issues, please Google them yourself
The code reference of the people s Republic of China electric power industry standard DL/T equ, IEC60870, 5, 102, 1996.
The transmission protocol.
This standard uses unbalanced transmission rules defined in section fifth of IEC60870-5-2, which is the only start the transmission process
At a fixed point in the code in the master station, as the starting end, and the electric energy metering data terminal equipment in the counting station, beginning
From the end station.