Meter search method based on DL/T 645 standard
A statute and standard technology, applied in the direction of signal transmission system, structured data retrieval, transmission system, etc., can solve problems affecting the efficiency of table search, and achieve the effect of improving table search efficiency, improving efficiency, and avoiding congestion
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[0026] Such as figure 1 Shown, the present invention comprises the following steps:
[0027] 1) The concentrator communicates with the smart energy meter through the DL / T 645 protocol; the concentrator is the master station, and the smart energy meter is the slave station; the concentrator sends an abbreviated addressing message to the energy meter;
[0028] 2) After the smart energy meter receives the abbreviated addressing message from the concentrator, it judges whether the smart energy meter has received any message for its address sent by the concentrator within the set time, and if so, does not respond to the abbreviated addressing message. address message, otherwise the smart energy meter responds to the abbreviated addressing message of the concentrator and sends its address information;
[0029] 3) The concentrator stores the received address information of each smart energy meter, generates the address file of the energy meter on the RS-485 line, and actively report...
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