# OVUM MIRA

Source: https://docs.evcc.io/en/heating/ovum-mira

The Modbus TCP server must be enabled at the display under "Settings / Network" and the Modbus login code must be disabled (value 1) since evcc does not perform the login sequence.
The PV status source must be set to "EMS" and the PV data source to the power setpoint at the display.
Requires MIRA controller software V1.1.3 or later.

Supported features: meter, dim

## Parameters

| Name | Description | Default / example | |
| --- | --- | --- | --- |
| host | IP address or hostname | 192.0.2.2 |  |
| tempsource | Temperature source (warmwater, buffer) |  |  |
| wpmid | Heat pump module slave id Modbus slave id of the heat pump module (WPM 1 = 111 … WPM 8 = 118) | 111 | advanced |

## Configuration example for evcc.yaml

```yaml
chargers:
    - name: my_heating
      type: template
      template: ovum-mira
      host: 192.0.2.2 # IP address or hostname
      tempsource: # Temperature source, [warmwater, buffer] (optional)
      wpmid: 111 # Heat pump module slave id, Modbus slave id of the heat pump module (WPM 1 = 111 … WPM 8 = 118) (optional)
```