Modbus Rtu Energy Meter

These two wires need to be connected to the 2 and 1 pins of x30 com port of simatic as described in below table.

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. A wide variety of modbus rtu energy meter options are available to you such as single phase three phase. The modbus energy meter consist of two wires ve and ve. There are a few fucntion nodes titled diagnostic message which is used for my diagnostic process.

Transport the energy meter with modbus connection in its original packaging without exposing it to unnecessary shocks. Pins description of x30 com port configured as rs485 output pin diagram of x30 com port. The meter also has far infrared and rs485 communication modules in it allowing communication with many amr systems and pulse readers. Sdm120 single phase modbus rtu energy meter this flow shows how to set up eastron sdm120 single phase energy meter under node red.

If the original package is no longer available use a similar box that can be closed fully. For this i am using node red contrib modbus for the serial modbus communication.