> 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/verfahrensgroessen/rechengroesse/register_auswertestufen/intervallwerte.md).

# Interval values

Allocation of the calculation result for this level. The calculation is carried out on the basis of the values from this compression level; that is to say, the calculation for daily values is carried out with the daily values of the process variables used in the formula.

### Primary interval

The [primary interval](/acron-9.3/en/anlagenverwaltung/register-datenbank.md#verdichtungsstufen) is the first compression level to which the process data are 'compressed'.

<details>

<summary></summary>

If process data occur every 5 seconds, and the primary interval is set to 1 minute, the Database Engine generates a primary interval value from the 12 process values in each minute. The preset compression method (e.g. weighted average value) dictates how this value is calculated.

</details>

### Secondary interval

The secondary interval is the next compression level after the primary interval to which the process data can be 'compressed'.

<details>

<summary></summary>

If process data occur every 5 seconds, and the primary interval is set to 1 minute, the Database Engine generates a primary interval value from the 12 process values in each minute. The preset compression method (e.g. weighted average value) dictates how this value is calculated.

</details>

Consequently, for an interval of 1 hour an hour value is calculated on the basis of 720 process values per hour.

### Additional interval 1 to 6

Analysis level Additional interval; additional compression level to which the process data are 'compressed'.

### Limit value range from/to\*

Start/end of the limit value range of the interval values

Note

The limit value range must be within the measuring range.

### Unit\*

Unit at this compression level

### Decimal places\*

Number of decimal places to output

* Positive values indicate the number of decimal places to output.
* Negative values specify rounding of the process variable values to tens, hundreds, thousands, etc.

<details>

<summary></summary>

<table><thead><tr><th width="116"></th><th></th><th width="235"></th><th></th></tr></thead><tbody><tr><td>DP = -1</td><td><p>402</p><p>1007</p></td><td><p>is rounded down to</p><p>is rounded up to</p></td><td><p>400</p><p>1010</p></td></tr><tr><td>DP = -2</td><td><p>1007</p><p>4162</p></td><td><p>is rounded down to</p><p>is rounded up to</p></td><td><p>1000</p><p>4200</p></td></tr><tr><td>DP = -3</td><td><p>2234</p><p>3657</p></td><td><p>is rounded down to</p><p>is rounded up to</p></td><td><p>2000</p><p>4000</p></td></tr></tbody></table>

</details>


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