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A Python module for interfacing with several energy meters

Project description

Energymeter Python Module

This is a Python module that implements the communication to several electricity meters and related equipment.

At the moment, the following meters are supported:

  • ABB B21, B23, A43 and similar ABB meters (Modbus Serial)
  • SMA SunnyBoy (Modbus TCP)
  • MultiCube meters

Some base classes are also provided for you to implement new meter variants.

Installation

git clone https://github.com/ElaadNL/python-energymeter
cd python-energymeter
pip3 install .

Usage

To read all registers from a meter:

from energymeter import ABBMeter

meter = ABBMeter(port="/dev/ttyUSB0", baudrate=38400, slaveaddress=1, model="B23")
data = meter.read()

This returns a dictionary with all key-value pairs of data.

To read a single register:

data = meter.read('current_l1')

This returns just the value (usualy a float or int).

To read multiple registers:

data = meter.read(['current_l1', 'voltage_l1_n'])

This returns a dictionary with the requested keys and values.

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