> 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/bmr/pla-33.md).

# PLA 33

### Configure the meter

We need this software to configure the BMR.

![](/files/3GKbiBy7qhym5IIkb4d1)

{% stepper %}
{% step %}

### Open service mode

In most cases, the device is set to **DHCP**. However, it is still important to verify the **CT ratio of the main measurement**, to avoid incorrect main readings. Open the software and go to service mode.

If necessary, this can be adjusted in the **Communication** tab.
{% endstep %}

{% step %} <img src="/files/szIN8izPj5b4ZD50QW9F" alt="" data-size="original">
{% endstep %}

{% step %}

### Write the configuration

Next, we **click “Write configurations” twice**, search for the configured **IP address**, and enter it.
{% endstep %}

{% step %} <img src="/files/H8yuoRB0IxVc2hlufOck" alt="" data-size="original">
{% endstep %}

{% step %}

### Set the CT ratio

The last step, and the most important one, is to correctly configure the **current transformers (CTs)**.\
In our case, **CTs with a ratio of 250/5** are used. This ratio can be read on the CTs installed on the main measurement, through which the power cable passes.\
After that, we press **“Write config”** once more.
{% endstep %}
{% endstepper %}

<figure><img src="/files/nagSw7DhlxEo9GsVjRzi" alt=""><figcaption></figcaption></figure>

{% hint style="warning" %}
When checking the **phasor diagram**, all same-color vectors should be close to each other. In this case, they are not, because **solar panels** are installed at the site. It is recommended to **temporarily switch off the PV system** and confirm the measurement again. Otherwise, an installation error may occur.
{% endhint %}

<figure><img src="/files/z0POr16VZVAPLQq5Ug8n" alt=""><figcaption></figcaption></figure>


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