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).
Variables hereinafter are referred to tags specified in the server, and tags are referred to tags used in InfluxDB to store time series metadata.
- 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)