> 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/ev-chargers/schneider-evlink-pro-ac.md).

# Schneider EVlink Pro AC

Our EMS supports the **Schneider EVlink Pro AC** charging station over **Modbus TCP**, so charging power is steered along with the rest of the site instead of running on its own.

### Supported devices

| Model         | Current type | Connectors |
| ------------- | ------------ | ---------- |
| EVlink Pro AC | AC           | 1          |

The integration communicates over **Modbus TCP** (default port `502`, default unit id `1`).

### EMS functionality

* **Charging power control**: the charging current is steered per connector, so charging follows the available power at the grid connection instead of a fixed maximum.
* **Load balancing**: the charger takes part in the site load management. Charging is curtailed first when a (sub-)meter approaches its limit, before controllable loads are shed.
* **Session monitoring**: charging state, delivered power and energy are read back and shown on the device page and in the EV charging dashboard.
* **Connector faults**: a faulty charging connector reported by the station is raised as an incident, so a charge point that refuses to charge does not go unnoticed.

## Setup

{% stepper %}
{% step %}

### Wiring and startup

Complete the electrical installation and switch on the charging station. Verify that the residual current device and the circuit breaker protecting the charge point are active.
{% endstep %}

{% step %}

### Network

Connect the charger to the same network as the Voltmasters controller and give it a fixed IP address in that subnet. Make sure port `502` is reachable between the controller and the charger.
{% endstep %}

{% step %}

### Enable Modbus TCP

In the configuration interface of the charging station, enable **Modbus TCP** and note the unit id and port. Our EMS uses unit id `1` and port `502` by default.

{% hint style="info" %}
Restart the charging station after changing the network or Modbus settings, so the new configuration takes effect.
{% endhint %}
{% endstep %}

{% step %}

### Add the device in Voltmasters

Add a new device of type **EV charger**, brand **Schneider**, model **EVlink Pro AC**, and fill in the IP address, port and unit id of the charger.

Load balancing is set per connector for this model.
{% endstep %}

{% step %}

### Verify

Start a charging session and check on the device page that the charging state and the delivered power come in, and that the charger follows a lowered power limit.
{% endstep %}
{% endstepper %}


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