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Soccomec Countis E03/E04 Electricity Meter

This guide will show you how to connect the Polar Monitoring Gateway to the Soccomec Countis E03/E04 electricity meter. It will also take you through the setup and parameters required on the Soccomec Countis E03/E04 to ensure communications to the Polar Gateway.

Steps to follow:

  1. Connect power to the Gateway.
  2. Connect RS-485.
  3. Final checks.
  4. Power on the system.
  5. Configure the Countis E03/E04 Serial Parameters

Soccomec Countis E03/E04 Connection Setup

Soccomec E03/E04 Wiring Diagram
Wiring Diagram
1. Connect power to the Gateway.
Power Polar Gateway

Wire the Polar Gateway to a 12-24 V DC power supply. Connect the positive wire to the positive terminal and the negative wire to the negative terminal.

2. Connect RS-485
RS-485 Polar Gateway Wiring Diagram

Wire the RS-485 cable to allow communication with the Polar Gateway device. Connect A+ => 1+ and B- => 2-..

3. Final checks
Before you switch on the device make sure you have done everything correctly in the previous steps.
  • Make sure the power is OFF while doing the cable wiring.
  • Re-check if there are no short circuits.
  • Check if the power cables are not loosely wired to the Gateway.
  • Check if the power cables are not loosely wired to the Electricity Meter.
  • Re-check the RS-485 twisted pair cables is correctly connected A+ => 1+ and B- => 2-.
4. Power on the system.

Now you are ready to go, you can now switch on the Polar Gateway and the Countis E03/E04 .  

5. Configure Countis E03/E04 Serial Parameters
In order for the Gateway to correctly communicate with the Soccomec Countis E03/E04 controller, there will need to be some changes made to the communication parameters. 

Note: It is critical to change the default settings to reflect the table below.

Serial Communication Setup






Communication Address

Serial Node Address




Serial Speed

Baud Rate





Communication Parity





You may now sign in to the Polar Portal to monitor the device remotely, the button on the right will take you through a setup process.

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