In that case the energy meter did not respond at all.
Modbus energy meter arduino.
In order to measure the electrical energy consumption we chose to use the finder energy meter since it is designed for din rail use and fits perfectly in the main cabinet of our house.
Anything in this list is not ok in your setup.
You don t have to care about the register address if you don t get any response.
I have an arduino uno with rs485 module.
Hello all im trying to read holding register data values of energy meter through arduino mega using rs485 to ttl converter from past 1 month but i havent suceeded.
In this video i give a quick overview of the eastron sdm120 energy meter show the main features setting up the device on modbus for slave id and baud an.
I have made this connection.
November 27 2019 10 49am.
Dds238 1 zn modbus energy meters from arduino esp8266 avr e nina dds238 energy meter.
Read voltage from eastron sdm230 modbus smart energy meter with modbus protocol.
If that s ok check the configured baudrate data bits stop bits parity etc.
Check the modbus id of the meter.
3 speed 2400.
Please help me out in this regard.
Reading sdm72 sdm120 sdm220 sdm230 sdm630 modbus energy meters from arduino esp8266 esp32 avr reaper7 sdm energy meter.