Power-consumption-using-MODBUS-RTU

Equipments

1. Raspberry Pi 3B+
2. RS485 usb convertor
3. Energy meter Phonixcontact EE-MA-250
4. ThingsBoard

Procedure

1. Install pymodbus and MQTT
2. Connect the enrgy meter with Raspberry Pi via RS485 usb convertor
3. Check the device ID, Register values from your device and change it in the program. This information can be found in the device datasheet
4. Go to the thingsboard website and open new account and connect your program with thingsboard. There is lot of tutorial on youtube