Modbus Rtu Energy Meter

Energy meter with modbus connection the energy meter is used for production consumption or import export monitoring and for export limitation.

Modbus rtu energy meter.

The meter has high accuracy readings and by a wide selection of current transformers 50a 1000a supports residential and commercial installations. Store the meter in a dry place where ambient temperatures are 40 c 40 f to 60 c 140 f. 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.

For this i am using node red contrib modbus for the serial modbus communication. 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. This meter has seven digits the lcd display shows the active energy consumption.

These two wires need to be connected to the 2 and 1 pins of x30 com port of simatic as described in below table. Sdm120 single phase modbus rtu energy meter this flow shows how to set up eastron sdm120 single phase energy meter under node red.