# H1.M200

<figure><img src="/files/c9158877bf647f69a4bafd8f39e2bc65849f4a6f" alt="" width="375"><figcaption><p>H1.M200 Device</p></figcaption></figure>

### Current version - Firmware

<details>

<summary>4.4 - Firmware - <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-4.4.piop">Download</a></summary>

Release Date 12.09.2025

**Bug fixes and improvements**

* Full versioning

{% hint style="success" %}
For a detailed changelog see version 4.3
{% endhint %}

</details>

***

### Older versions - Firmware

<details>

<summary>4.3 - Firmware</summary>

Release Date 08.09.2025

**Bug fixes and improvements**

#### **Security**

* **HTTPS encryption** - Optionally activatable with automatic certificates and custom certificates.
* **Flexible access control** - HTTP, HTTPS and SSH configurable individually.

**Wi‑Fi dongle support**

* **Wi‑Fi dongle support** - USB Wi‑Fi adapters are detected immediately and can be used to securely access the device via the mobile app or web interface.

**powerIO Portal connection (optional)**

* **powerIO Portal connection -** Preparation for powerIO Portal integration with encrypted transmission.
* **powerIO Portal device registration -** Registration of powerIO devices for support purposes and device assignment.

**Optimizations**

* **Reduced memory usage** - 15% less RAM usage in idle mode.
* **Automatic recovery** - Crashed services restart themselves - the system continues running without intervention.

**Bug fixes**

* **DNS server applications** - Applications now receive DNS server changes without the need to restart the application
* **More stable USB connections** - No more connection drops under LTE modem load
* **Network interface troubleshooting** - In rare cases, the eth1 interface (in combination with an LTE modem) could fail. This has been fixed.
* Improvements to UPS monitoring for a stable shutdown.
* Bug fixes in the web interface and correction of typos

</details>

<details>

<summary>4.2 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-4.2.piop">Download</a></summary>

Release Date 24.03.2025

**Bug fixes and improvements**

* **System stability improved** - File system checks and optimized container management implemented.
* **Boot speed improved** - Optimized execution methods reduce startup time and memory usage.
* **Fix for package installation** - Issues fixed and installation process stabilized.

</details>

<details>

<summary>4.1 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-4.1.piop">Download</a></summary>

Release Date 31.01.2025

**Bug fixes and improvements**

* Compatibility for internal application restored by updated dependency package.

</details>

<details>

<summary>4.0 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-4.0.piop">Download</a></summary>

Release Date 28.01.2025

**Bug fixes and improvements**

* Update of system libraries

</details>

<details>

<summary>3.22 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-3.22.piop">Download</a></summary>

Release Date 14.11.2024

**Bug fixes and improvements**

* Bug fix for reboot. In some situations the reboot was not executed when triggered via the web interface.

</details>

<details>

<summary>3.20 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-3.20.piop">Download</a></summary>

Release Date 04.09.2024

**New features and changes**

* Performance optimization: Core functions were integrated into the main software, resulting in improved system performance.

**Bug fixes and improvements**

* Network connection at system start was improved to avoid interruptions.
* An issue when updating configuration files was fixed so that version information is now always displayed correctly.
* An issue with the NTP client was fixed to ensure more accurate system time.
* The management of log files was optimized to use system resources more efficiently.

</details>

<details>

<summary>3.10 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-3.10.piop">Download</a></summary>

Release Date 15.05.2024

**Bug fixes and improvements**

* Improvement in log recording and bug fix of a background service

</details>

<details>

<summary>3.9 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-3.9.piop">Download</a></summary>

Release Date 08.05.2024

**New features and changes**

* After uploading software packages the user interface now updates itself to show you the progress of unpacking.
* Handling of the mobile app was improved with extended session and authentication options.
* With new settings in log file management, only relevant warnings are shown, which improves clarity.<br>

  <figure><img src="/files/912eb11acbd7cbeacbd6b1efb5263ec8d12c2c98" alt=""><figcaption></figcaption></figure>

**Bug fixes and improvements**

* We added a network bridge to ensure your network connections are maintained even during power outages.
* Access logs for certain API paths are no longer stored, further protecting your data.
* Logging and log rotation settings were optimized to improve system performance and use storage more efficiently.

</details>

<details>

<summary>3.8 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-3.8.piop">Download</a></summary>

Release Date 22.12.2023

**New features and changes**

* Stability improvement during system startup.

**Bug fixes**

* Previously, when network settings were changed the change was applied to all network interfaces. This caused, in the case of two network interfaces, a very short flicker for an unaffected change.
* When uploading large applications, a timeout was shown even though there was no timeout.
* After uploading an application, the state no longer stays at 100% during unpacking. Instead the user is shown that the application is being prepared. Afterwards the application can be installed as usual.

</details>

<details>

<summary>3.7 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-3.7.piop">Download</a></summary>

Release Date 06.11.2023

**New features and changes**

* Fast reconnection on connection loss without tearing down the modem
* Add package information for additional user apps

**Bug fixes**

* Modem disconnects and cannot reconnect
* Signal strength could sometimes not be retrieved
* Modem improvements - reconnect for different states

</details>

<details>

<summary>3.6 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-3.6.piop">Download</a></summary>

Release Date 10.10.2023

**New features and changes**

* Control of analog values less than 255

**Bug fixes**

* Fix: DOs - conversion conditional checks - output is not being set.
* Gateway can only be set when switching between DHCP and Static
* Security patches in dependency packages

</details>

<details>

<summary>3.6 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-3.6.piop">Download</a></summary>

Release Date 10.10.2023

**New features and changes**

* Control of analog values less than 255

**Bug fixes**

* Fix: DOs - conversion conditional checks - output is not being set.
* Gateway can only be set when switching between DHCP and Static
* Security patches in dependency packages

</details>

<details>

<summary>3.4 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-3.4.piop">Download</a></summary>

Release Date 22.08.2023

**Bug fixes**

* Fixes the bug where an LTE connection used IPv6 instead of IPv4 even though IPv4 was configured as the preferred setting.

</details>

<details>

<summary>3.3 - Firmware <a href="https://dl.powerio.com/downloads/powerIO-h1m200-firmware-3.3.piop">Download</a></summary>

Release Date 17.08.2023

**New features and changes**

* Unified web interface for all powerIO devices
* Support for LTE modem
* Support for the new H1.M200 hardware platform for existing user applications
* The onboard I/Os can **from firmware version 3.3** be used by multiple applications simultaneously. This means hardware access is no longer exclusive to applications.\
  \
  For the user application CODESYS the library ["POWERIOHW Hardware Library](/hub/downloads/en/codesys-hvac-downloads/poweriohw-hardware-library.md)" should be used.

</details>


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