Pymodbus is a full Modbus protocol implementation using twisted for its asynchronous communications core. It can also be used without any third party dependencies (aside from pyserial) if a more ...
3.8.1 -> 3.8.3: just plugin the new version, no changes needed. 3.7.1 -> 3.8.0: Smaller changes to the pymodbus calls might be needed 2.5.4 -> 3.0.0: Major changes in the application might be needed ...