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T1.B100

Firmware updates for the powerIO Box T1.B100

T1.B100 powerIO Box

Current version - Firmware

4.4 - Firmware - Download

Release Date 12.09.2025

Bug fixes and improvements

  • Full versioning

For a detailed changelog see version 4.3

Current version - Bootloader

With bootloader < 0.8, rare startup issues can occur after updates; turning the device off and on fixes this, the restart can take a few minutes The bootloader file can be installed independently of the firmware.

0.8 - Bootloader Download

Release Date 08.09.2025

Bug fixes and improvements

  • With bootloader versions < 0.8, in rare cases a firmware update can cause the system not to start. If this occurs, it is necessary to turn the device off and on again. This startup can take a few minutes, as the update will be performed again. With this version, this bug is fixed. The bootloader file can be installed independently of the firmware.

Older versions - Firmware

4.3 - Firmware

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.

Serial communication and Modbus

  • Modbus speed 3x - Through buffer optimization, Modbus RTU queries are up to 3x faster! Depending on the connected Modbus device and baud rate.

  • Automatic reconnection - Automatic recovery in case of connection interruptions.

  • Parallel query optimization (Serial) - Queries are now executed fully in parallel per port.

powerIO Portal integration (optional)

  • powerIO Portal integration - 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 operation.

  • 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 application needing to be restarted

  • Fixing memory leaks - In rare cases there were memory leaks; this was fixed through improved thread handling.

  • Fix for long reboot times - When a reboot was initiated, it could take up to 100 seconds before it was triggered.

  • Bug fixes in the web interface and correction of typos

4.2 - Firmware Download

Release Date 24.03.2025

Bug fixes and improvements

  • Wi‑Fi dongle feature expansion- Network usage possible in Network mode or Application mode.

  • Modbus functionality expanded - Faster port scanning and customizable timeout settings added.

  • Automatic activation of software packages - Software is activated after installation without manual intervention.

  • System stability improved - Filesystem checks and optimized container management implemented.

  • Startup accelerated - Optimized execution methods reduce startup time and memory usage.

  • Modbus log data expanded - Client source information added to trace data for better debugging.

  • Fix for package installation - Issues fixed and installation process stabilized.

4.1 - Firmware

Release Date 31.01.2025 ATTENTION: Critical bug - Modbus timeout fixed to 50ms - use a newer version!

Bug fixes and improvements

  • Compatibility for internal application restored by updated dependency package.

4.0 - Firmware Download

Release Date 28.01.2025

Bug fixes and improvements

3.22 - Firmware Download

Release Date 14.11.2024

Bug fixes and improvements

  • Fix for reboot. In some situations the reboot did not execute when triggered via the web interface.

3.21 - Firmware Download

Release Date 10.09.2024

Bug fixes and improvements

  • Fix of a dependency package for serial-transparent mode

Info If firmware version 3.20 was used previously and there is not enough storage space, the "Internal Stack - Transparent mode" application must be restarted.

3.20 - Firmware

Release Date 04.09.2024

Info

Please use firmware version 3.21. This version fixes a critical issue that occurred in version 3.20. This change affects only the T1.B100 device.

New features and changes

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

Bug fixes and improvements

  • The network connection at system startup was improved to avoid interruptions.

  • A problem with 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.

  • Modbus integration was improved to reduce interruptions during system changes.

  • Management of log files was optimized to use system resources more efficiently.

  • LTE stability improvements

3.10 - Firmware Download

Release Date 15.05.2024

Bug fixes and improvements

  • Improvement in logging and fix of a background service

3.9 - Firmware Download

Release Date 08.05.2024

New features and changes

  • Wi‑Fi dongle support for new powerIO v2 app

  • After uploading software packages the user interface now updates itself to show you the unpacking progress.

  • Handling of the mobile app was improved with extended session and authentication options.

  • With new settings in log file management only relevant warnings are now shown, increasing clarity.\

Bug fixes and improvements

  • We added a network bridge to ensure your network connections remain intact even during power outages.

  • Access logs for certain API paths are no longer stored, providing even better data protection.

  • Logging and log rotation settings were optimized to improve system performance and use storage more efficiently.

3.8 - Firmware Download

Release Date 22.12.2023

New features and changes

  • Preparation for the new fieldbus protocol BACnet

  • Stability improvements at system startup

Bug fixes

  • Previously, when network settings were changed the change was applied to all network interfaces. This caused a very short flicker in the case of two network interfaces when an unrelated change occurred.

  • When uploading large applications, a timeout was shown even though there was no timeout.

  • After uploading an application, the status during unpacking no longer stays at 100%. Instead the user is shown that the application is being prepared. Afterwards the application can be installed as usual.

3.7 - Firmware Download

Release Date 06.11.2023

New features and changes

  • Fast reconnection on connection drop without tearing down the modem

  • Add package information for additional user apps

Bug fixes

  • Modem drops connection and cannot reconnect

  • Signal strength could occasionally not be retrieved

  • Modem improvements - reconnect in different states.

3.6 - Firmware Download

Release Date 10.10.2023

Bug fixes

  • Gateway can only be set when switching between DHCP and static

  • Security patches in dependency packages

3.4 - Firmware Download

Release Date 22.08.2023

Bug fixes

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

3.3 - Firmware Download

Release Date 17.08.2023

New features and changes

  • Unified web interface for all powerIO devices

  • Preparations for LTE modem as expansion card

3.2 - Firmware Download

Release Date 31.07.2023

New features and changes

  • Visual feedback when thresholds for storage usage are exceeded.

    Threshold monitoring of system values

  • Visual feedback when thresholds for relevant performance data are exceeded.\

    Threshold monitoring of current values

  • Cross-page global "Advanced Mode" for an extended view of information.\

    Enable/disable the "Advanced Mode"

  • Additional log information added to the "Diagnostic File".

  • Display limited to "Firmware Version" since this is the only relevant version for the end user.

  • Installed user applications that redirect to an application website are marked with a "link" icon.\

    Buttons with "Link" and "Settings"

Bug fixes

  • In critical error states, e.g. due to a kernel panic, an automatic reboot is performed.

  • Fix for logging requests of the device manager.

  • Active tabs under user applications are now highlighted.\

    Active TAB display

  • Buttons in "Extended Port" are now in a uniform style.

  • A display error during an active "Firmware Update" was fixed.

3.1 - Firmware Download

Release Date 01.07.2023

New features and changes

  • Support for new user applications

  • If applications are in the uploaded area and installed, they will be preserved during subsequent firmware updates (backup & restore).

  • Installed applications are now dynamically displayed in the navigation bar. Different configurations can be made depending on the application.

  • Configuration files of applications, e.g. CODESYS, can be edited in the integrated file explorer.

  • Adjustment of the dashboard web interface with additional information

  • Parallel upload of applications possible

  • Preparations for supporting an expansion card for an LTE modem.

  • Preventing user application downgrades. Package must be uninstalled first. Afterwards an older version can be installed.

  • Extensions for remote update with the device manager

Bug fixes

  • Fix for connecting expansion cards

  • Stability improvements for the UPS

  • Stability improvements for measurements of the 24 volt power supply

  • Fix for target device selection. From firmware >= 3.0 only matching firmware versions for the respective target system can be installed.

  • Fix of a display error in the Modbus test overview (date was shown incorrectly).

  • Prevention of simultaneous installation processes which could previously lead to a conflict.

  • Missing timestamps in the diagnostic file have been added

  • Security patches in dependency packages

2.22 - Firmware Download

Release Date 05.12.2022

New features and changes

  • Increased the number of connectable devices per serial port from 10 participants to 32 participants.

2.21 - Firmware Download

Release Date 06.04.2022

New features and changes

  • Increased the number of connectable devices per serial port from 4 participants to 10 participants.

  • Diagnostic file can now be downloaded under Settings -> Diagnostic downloaded.

  • The diagnostic file is for evaluation of fault diagnostics by powerIO support. The file cannot be evaluated by the user themselves.

Bug fixes

  • Reboot on power failure optimized.

2.20 - Firmware Download

New features and changes

  • LED test added to diagnostic page.

Bug fixes

  • Stability improvements in the firmware update.

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