Modbus Rtu Energy Meter

For this i am using node red contrib modbus for the serial modbus communication.

Modbus rtu energy meter.

The meter also has far infrared and rs485 communication modules in it allowing communication with many amr systems and pulse readers. Pins description of x30 com port configured as rs485 output pin diagram of x30 com port. If the original package is no longer available use a similar box that can be closed fully. Store the meter in a dry place where ambient temperatures are 40 c 40 f to 60 c 140 f.

Sdm120 single phase modbus rtu energy meter this flow shows how to set up eastron sdm120 single phase energy meter under node red. These two wires need to be connected to the 2 and 1 pins of x30 com port of simatic as described in below table. There are a few fucntion nodes titled diagnostic message which is used for my diagnostic process. A wide variety of modbus rtu energy meter options are available to you such as single phase three phase.

Transport the energy meter with modbus connection in its original packaging without exposing it to unnecessary shocks. This meter has seven digits the lcd display shows the active energy consumption.