Example: Adding Modbus TCP Energy meter of Elnet

Introduction

We will configure the Modbus TCP energy meter from company Elnet.

Modbus Specification of Elnet

Here you can download and read the manual for the energy meter and a Modbus TCP configuration manual.

Configuration

Elnet energy meters have several registers:

Open

We have to create a separate Modbus element for each register inside the Vutlan web interface.

Elnet meters use decimal numbers for Modbus registers index. In the Vutlan systems, we use hexadecimal numbers.
The correct register indexes in the HEX form are:

Result

An element for “Current in Line 2”:

Open

An element for “Voltage Line 1”:

An element for “Voltage Line 3”:

We can see all register elements inside a Web interface >> System tree >> Modbus elements

Add all register elements to our overview panel: