Victron SDM72D-M-2 MID Modbus ESS driver code for Victron Energy Venus OS v3.20~35 Beta.
The default meter password is 1000 if anyone else needs it.
Tested with the following equipment: Smartmeter: SDM72DM-V2 (MID 2023) https://amzn.to/3JQkkja (currently only costs 62.50 EUR).
It should also work with the cheaper https://amzn.to/3KkEROl (without MID certification, currently 54 EUR).
RS485 USB adapter: https://amzn.to/3Jw5lL8 (the version with FT232RL chip, currently 18.50 EUR)
First set your meter to 19200 baud (see manual). The default meter password is 1000.
Second place this file TWE_Eastron_SDM72D.py together with TWE_Eastron_device.py in /opt/victronenergy/.
Add in file /opt/victronenergy/dbus-modbus-client/dbus-modbus-client.py below the expression "import carlo_gavazzi "
for Eastron meters SDM72D the expression: import TWE_Eastron_SDM72D
Next delete everything in folder /opt/victronenergy/dbus-modbus-client/pycache and reboot.
See installation notes at https://community.victronenergy.com/idea/114716/power-meter-lib-for-modbus-rtu-based-meters-from-a.html