python3-momonga

Description

This library communicates with low-voltage smart electric energy meters through Japan's Route B service, using supported Wi-Fi SUN modules such as BP35C2-compatible devices connected over a serial interface. It handles PAN scanning and PANA session establishment, then exchanges ECHONET Lite property requests and responses with the meter.

It can read meter information and operating data including operation status, installation location, standard version information, fault status, manufacturer code, serial number, date and time settings, instantaneous power, instantaneous current, cumulative energy, and fixed-time cumulative energy readings. It also supports retrieval of historical cumulative energy data, including daily history and shorter-interval history where the meter provides those properties, and it can query the meter's supported property maps.

The library talks to two kinds of external equipment: a supported Wi-SUN communication module attached as a serial device, and the smart electric energy meter reached over the wireless Route B link. It manages meter access details such as authentication credentials, session setup, reconnection, and request/response handling, and exposes exceptions for cases such as scan failure, session join failure, unsupported properties, or the need to reopen the connection.

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Homepage

https://github.com/nbtk/momonga

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