About power code 104, we have a set of power system (104) can be read in the data collection terminal, then found in the testing process, remote communication, remote sensing can read properly, but no matter whether do to remote data set and remote control and set, remote control and remote set of data to be read, all configuration for both reading and writing, speaking, reading and writing, is a standard 104 specifications have corresponding regulation or for what? Just beginning to understand the power code, don't understand, trouble each expert to give advice and guidance,