Python Modbus Monitor
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Python Modbus Monitor

This is a Python skript that acts as a Modbus slave. It can be used e.g. for reading data from newer solar inverters made by SMA.

It has the ability to monitor several modbus addresses with a configurable interval and can also write the received data to a csv file.

The logged data can then be used with other programs for analysing or plotting.


  • Python 2.7
  • Python package docopt
  • Python package pymodbus (and dependencies)