> For the complete documentation index, see [llms.txt](https://docs.monokot.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.monokot.io/tags-and-devices/influxdb-connectivity-connector.md).

# InfluxDB Connectivity (Connector)

To present fields of InfluxDB database as OPC UA items the server provides InfluxDB Connector. The device periodically sends requests to the database and maps the received query result to the associated tags (variables).

{% hint style="info" %}
Variables hereinafter are referred to tags specified in the server, and tags are referred to tags used in InfluxDB to store time series metadata
{% endhint %}

### Key Features <a href="#h.auy1ifvf0z1p" id="h.auy1ifvf0z1p"></a>

* Data fetch by using of Influx Query Language.
* Data writing by using of Influx Line Protocol.
* Data types: Boolean, Byte, Word, Int, DWord, DInt (32-bit signed integer), Float, Double, QWord, Long, String, DateTime.
* Block data reading.
* OPC UA Historical access (raw/aggregated data reading).