Data objects
Use Data Tables, Data Storage and Sensor Simulators for live and historical engineering values.
Sensor Simulator
Generates protocol-neutral development signals. It supports engineering preview and Commissioning workflows but is forbidden in Production bundles.
Data Table
Owns current typed engineering variables. Use it as the stable working-memory boundary between a source and downstream logic. A variable can preserve configured initial value and selected restart behavior.
Data Storage
Owns timestamped historical samples. The first binding establishes the stored type and unit. Runtime applies sampling, deadband and retention policies locally and exposes bounded history to Chart objects.
| Need | Correct object |
|---|---|
| Current process value | Data Table |
| Retained time series | Data Storage |
| Development signal | Sensor Simulator |
| Visual historical analysis | Chart |
Do not use a Data Table as a historian or treat a downloadable project bundle as a database backup.