# Fluvius

> Supported devices: Industrial meter (A1), Residential meter (P1)

Source: https://voltmasters.io/en/docs/device-integrations/energy-meters/fluvius/

Our EMS can read out the Belgian digital meters installed by the grid operator Fluvius. Depending on the installation, the meter is read via the **A1 port** (industrial) or the **P1 port** (residential). Select a model below for details.

> **Note**
>
> Besides reading the meter locally, the platform can retrieve the **official metering data** that Fluvius keeps for your connection, and compare it against the local measurement. See [Data mandate & comparison](https://voltmasters.io/en/docs/device-integrations/energy-meters/fluvius/data-mandate-and-comparison/).

> **Danger**
>
> **Caution**
> 
> Crucial: Activate the P1 Port first! By default, the User Port (P1) on the digital meter is **closed**. The Controller cannot detect the meter if the port is not active.
> 
> 1.  Log in to [mijn.fluvius.be](https://mijn.fluvius.be/).
> 2.  Go to **Producten & Diensten** > **Verbruik** > **Beheer poorten**.
> 3.  **Enable** the P1 port.
> 4.  **Check the display on the meter:** A small triangle arrow (▼) must be visible above the text **"P1"**. If this arrow is missing, the port is dead.

### Connection

#### 1\. Wiring

Connect the Digital Meter to the Controller using a **P1 Cable** (USB to RJ12).

1.  Locate the yellow rubber cover labeled **P1** on the right side of the meter.
2.  Plug the **RJ12 connector** into the P1 port.
3.  Plug the **USB connector** into the Controller.

> **Warning**
>
> **Warning**
> 
> P1 vs S1 Do **not** use the **S1** port (often an RJ45 port on top). This is for the grid operator only. You must use the **P1** user port on the side.