> For the complete documentation index, see [llms.txt](https://docs.videc.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.videc.de/acron-9.3/en/anlagenkonfiguration/prozessanbindung/provider/providerid/variablengruppe/allgemein/dialog_variable-f-zusaetzliche-datenaufzeichnung.md).

# Dialog - Variable for additional data recording

Selection of variables that trigger an additional data recording.

Note

Additional recording is only triggered by Delta Events. The recording interval of the assigned variable does not trigger additional recording. The assignment of a variable without Delta Event recording activated consequently has no effect on the recording.

**Example of the variable Volume with two additional variables**

| Variable Volume      | Recording interval= 60sec                    |                                                                                                                                             |
| -------------------- | -------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
| Variable Pressure    | Recording interval= 30sec, Delta Event = 0.1 | ([Advanced Delta Event recording](/acron-9.3/en/acron_der_anlagenchronist/datenaufzeichnungsverfahren.md#erweitertedeltaeventaufzeichnung)) |
| Variable Temperature | No recording interval, Delta Event = 1       | ([Delta Event recording](/acron-9.3/en/acron_der_anlagenchronist/datenaufzeichnungsverfahren.md#deltaeventaufzeichnung))                    |

The value for Volume is recorded every 60 seconds.

Recording is also carried out in the event of a value change of the variable Pressure >= 0,1.

A further additional recording is made if the variable Temperature changes >= 1.


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