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Learn how to aggregate, subscribe to, and visualize time series data using the CDF API.

Time series and datapoints API

Insert, retrieve, and query time series datapoints.

Time series in data modeling

Integrate time series with your data model using instanceId.

Aggregation

Understand how CDF pre-calculates aggregates for time series and the available aggregation functions.

Calendar and time zone

Use local time zones and calendar-aligned granularities in aggregate queries.

Data point subscriptions

Subscribe to real-time changes across large sets of time series.

State time series

Track discrete operational states of industrial equipment with predefined states and specialized aggregations.

Status codes

Reference OPC UA status codes that determine data point quality and affect retrieval and aggregation.

Best practices for plotting charts

Render precise, high-fidelity charts using proper aggregation and data point handling.
Last modified on April 23, 2026