# HVAC BACnet2 Library

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Einfaches Lesen und Schreiben von BACnet Datenpunkten. Optimiert für das schnelle Engineering und die Nutzung im CFC-Editor.

Dies ist eine Umfangreiche Bibliothek um CODESYS BACnet2 praxistauglich für viele Datenpunkte nutzen zu können.
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### Documentation

<a href="https://app.gitbook.com/s/QR4vCFzt6ixgsqlR3pdR/hvac-bacnet2-library/beschreibung" class="button secondary" data-icon="books">To the documentation</a>

### Current version

<details>

<summary>1.0.0.4 - HVACBACnet2 -  <a href="https://dl.powerio.com/downloads/powerIO-CODESYS-3.5.17.2-HVACBACNET2-1.0.0.4.compiled-library-v3" class="button primary" data-icon="arrow-down-to-line">Download</a></summary>

Release Date 15.10.2025

**New features and changes**

* General improvements

***

*Technical details and security for download*

<table data-header-hidden><thead><tr><th width="292.62353515625"></th><th></th></tr></thead><tbody><tr><td><i class="fa-certificate">:certificate:</i> Signing</td><td>Yes (more info)</td></tr><tr><td><i class="fa-abacus">:abacus:</i> Signed library hash</td><td><code>a2f03377349a</code></td></tr></tbody></table>

</details>

***

### Older versions

<details>

<summary>1.0.0.3 - HVACBACnet2  - <a href="https://dl.powerio.com/downloads/powerIO-CODESYS-3.5.17.2-HVACBACNET2-1.0.0.3.compiled-library">Download</a></summary>

Release Date 12.09.2025

**New features and changes**

* Function block 'SRV\_MSV\_SMALL' newly added.
* Function block 'SRV\_AV\_SMALL':

```
In the released, unregistered state the state of the output variable 'rPresentValue' is set by the input variable 'rPresentValue_IN'.

The access permission for the property 'Relinquish Default' ('eAccessRightRelinquishDefault_IN') was added.

The output 'xPresentValueOverride' was functionally improved.

The output 'stProperties.udiCurrentCommandPriority' was added.

The output 'stProperties.sCurrentCommandIPAdr' was added.
```

* Function block 'SRV\_BV\_SMALL':

```
In the released, unregistered state the state of the output variable 'xPresentValue' is set by the input variable 'xPresentValue_IN'.

The access permission for the property 'Relinquish Default' ('eAccessRightRelinquishDefault_IN') was added.

The output 'xPresentValueOverride' was functionally improved.

The output 'stProperties.udiCurrentCommandPriority' was added.

The output 'stProperties.sCurrentCommandIPAdr' was added.
```

* Function block 'EditRealVisu' newly added.

</details>

### Details

| **Dokumentation Version**      | <code class="expression">space.vars.HVACKNX\_Library\_latest</code>                                                                                                                                                          |
| ------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Platzhalter**                | `HVACBACnet2`                                                                                                                                                                                                                |
| **Verfügbar in CODESYS Store** | *Ja*                                                                                                                                                                                                                         |
| **Programmiersystem**          | *CODESYS V3.5.17.2 oder höher*                                                                                                                                                                                               |
| **Laufzeitsystem**             | *CODESYS Control V4.10.0.0 oder höher*                                                                                                                                                                                       |
| **Lizenzierung**               | <p><em>Single License (Einzelgerätelizenz)</em><br><em>+</em><br><em>CODESYS BACnet License</em></p>                                                                                                                         |
| **Lizenz**                     | <p><a href="https://store.codesys.com/de/hvac-building-process-automation-sl.html">HVAC Building Automation Package SL</a></p><p>+<br><a href="https://store.codesys.com/de/codesys-bacnet-sl.html">CODSYS BACnet SL</a></p> |