> For the complete documentation index, see [llms.txt](https://docs.voltmasters.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.voltmasters.io/device-integrations/energy-meters/fluvius.md).

# 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.

{% hint style="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.
   {% endhint %}

### Connection <a href="#connection" id="connection"></a>

#### 1. Wiring <a href="#id-1-wiring" id="id-1-wiring"></a>

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.

{% hint style="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.
{% endhint %}


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.voltmasters.io/device-integrations/energy-meters/fluvius.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.