# FAQ & News

## Newsletter

Stay up to date and sign up for our newsletter to be informed about updates, changes, and new features.

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## News / Blog

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[Security features for powerIO devices](/hub/faq-and-news/en/news-blog/security-features-for-powerio-devices.md)
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{% content-ref url="/pages/fd9601f5555e1ead6e0095de27a283d2fd1f796f" %}
[Faster Modbus communication for T1.B100](/hub/faq-and-news/en/news-blog/faster-modbus-communication-for-t1.b100.md)
{% endcontent-ref %}

{% content-ref url="/pages/d673666e793a28cfb439a7ea79c352758a1f87d1" %}
[Troubleshooting with the Modbus log function](/hub/faq-and-news/en/news-blog/fehlersuche-mit-der-modbus-log-funktion.md)
{% endcontent-ref %}

{% content-ref url="/pages/87fdf38398889875764d44655a987b0ba32962e7" %}
[Use of serial interfaces in user applications](/hub/faq-and-news/en/news-blog/verwendung-von-seriellen-schnittstellen-in-user-applications.md)
{% endcontent-ref %}

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[Transparent mode now available](/hub/faq-and-news/en/news-blog/transparent-mode-jetzt-verfugbar.md)
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## powerIO system FAQ

{% content-ref url="/pages/45ca51fa63a2e60e7f6d6f872b39c695e60a8150" %}
[Updates and versions](/hub/faq-and-news/en/powerio-system-faq/updates-und-versionen.md)
{% endcontent-ref %}

{% content-ref url="/pages/ba2904297b9a3928ee1f51948c3fe912e14395e0" %}
[Retaining applications during a firmware update](/hub/faq-and-news/en/powerio-system-faq/beibehalten-von-anwendungen-bei-einem-firmware-update.md)
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{% content-ref url="/pages/7bdf3ad00c15e38b185fcc84654feae79fbcc786" %}
[Create diagnostic file](/hub/faq-and-news/en/powerio-system-faq/diagnose-datei-erstellen.md)
{% endcontent-ref %}

## HVAC CODESYS FAQ

{% content-ref url="/pages/2bdeb062aac29ebb77cdd1d10cd94f0a2421379c" %}
[CODESYS download server powerIO libraries](/hub/faq-and-news/en/hvac-codesys-faq/codesys-download-server-powerio-libraries.md)
{% endcontent-ref %}

{% content-ref url="/pages/45d3d51719060b2d7810ad23c68df4b5fa306285" %}
[Automatic restart in case of error](/hub/faq-and-news/en/hvac-codesys-faq/automatischer-neustart-im-fehlerfall.md)
{% endcontent-ref %}

{% content-ref url="/pages/af6f2473a44e1726ded4c5b6734d3165f50e1831" %}
[CODESYS HVAC visualization style](/hub/faq-and-news/en/hvac-codesys-faq/codesys-hvac-visualisierungsstil.md)
{% endcontent-ref %}

{% content-ref url="/pages/cb99e9665ca6d2ad0ecc7b165a763f4e2073edba" %}
[Show licenses on device](/hub/faq-and-news/en/hvac-codesys-faq/lizenzen-auf-gerat-anzeigen.md)
{% endcontent-ref %}

{% content-ref url="/pages/776e217009c6e8a6f7b92c4927096987cab63f59" %}
[Use CODESYS Edge Gateway](/hub/faq-and-news/en/hvac-codesys-faq/codesys-edge-gateway-verwenden.md)
{% endcontent-ref %}


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