HVAC Cloud Adapter
Download area for the HVAC Cloud Adapter for installation on powerIO devices. A Guide for installation and management of the Application can be found on the help page.
Current version
5.1 - HVAC Cloud Adapter 2.1.3.2
Release Date: 08.07.2026
Download for H1.M100, H1.M200 and T1.B100
powerIO 5.1 Cloud Adapter 2.1.3.2 (armhf)
Download for H1.M300
powerIO 5.1 Cloud Adapter 2.1.3.2 (arm64)
Bug fixes
Fix for mapping the serial ports for H1.M300
Minimum firmware version: v3.9 Compatible devices: H1.M100, H1.M200, H1.M300 and T1.B100
Older versions
5.0 - HVAC Cloud Adapter 2.1.3.2
Release Date: 01.07.2026
Download for H1.M100, H1.M200 and T1.B100
powerIO 5.0 Cloud Adapter 2.1.3.2 (armhf)
Download for H1.M300
powerIO 5.0 Cloud Adapter 2.1.3.2 (arm64)
New features and changes
Update to Cloud Adapter 2.1.3.2
OPC-UA: Certificate pinning with strict certificate validation
MBus: Improved validation of BCD values
Modbus: Support for write-only symbols
MBus: Polling logic adjusted to avoid compatibility issues
Beckhoff ADS: Revised subscription handling for higher reliability and compatibility
Modbus: New data types "First byte" and "Second byte"
Improvements to HTTP routing
MbedTLS and certificates updated
Improved performance and stability
Bug fixes:
A bug was fixed that could lead to unexpected connection drops in VNC connections
JSON API: Correct interpretation of UTF-8 strings
MBus: Negative BCD values were previously misinterpreted
Minimum firmware version: v3.9 Compatible devices: H1.M100, H1.M200, H1.M300 and T1.B100
4.7 - HVAC Cloud Adapter 2.1.1.2 - Download
Release Date: 08.09.2025
New features and changes
Update to Cloud Adapter 2.1.1.2
When used with H1.M200 LTE, a bug was fixed so that the connection to the HVAC Automation Portal can be established when the connection is established later
Important new features:
BACnet: Support for all string encodings (also in device names)
Serial communication: TTY devices are now identified by their alias, if available
Improved performance and stability
Minimum firmware version: v3.9 Compatible Devices: H1.M100, H1.M200 and T1.B100
4.6 - HVAC Cloud Adapter 2.1.1.0 - Download
Release Date: 08.09.2025
New features and changes
Update to Cloud Adapter 2.1.1.0
Important new features:
New: Access to and monitoring of local files possible
Fix for CSV import and export of symbols
HTTP routing: Support for Event Streams (SSE)
Minimum firmware version: v3.9 Compatible Devices: H1.M100, H1.M200 and T1.B100
4.5 - HVAC Cloud Adapter 2.1.0.0 - Download
Release Date: 08.09.2025
New features and changes
Update to Cloud Adapter 2.1.0.0
Important new features:
New: Lua script module for local automation logic
Fix for high memory usage with the ADS protocol on some devices
Minimum firmware version: v3.9 Compatible Devices: H1.M100, H1.M200 and T1.B100
4.4 - HVAC Cloud Adapter 2.0.0.2 - Download
Release Date: 08.09.2025
New features and changes
Update to Cloud Adapter 2.0.0.2
Important new features:
Fix for CSV import of connection symbols
Critical fix for optimized reading of Modbus RTU
Fix for M-Bus: Reading too quickly could lead to missing information
Minimum firmware version: v3.9 Compatible Devices: H1.M100, H1.M200 and T1.B100
4.3 - HVAC Cloud Adapter 2.0.0.0 - Download
Release Date: 08.09.2025
New features and changes
Update to Cloud Adapter 2.0.0.0
Important new features:
Completely redesigned user interface
Even faster and more resource-efficient despite new features
New feature: Network scan
SBOM list (according to BSI TR-03183 Cyber Resilience Act)
Authentication via the operating system username and password
Automatic updates
Policies for backup and recovery
Enhanced logging in accordance with the requirements of the Cyber Resilience Act
Documentation via online help
Security check
Minimum firmware version: v3.9 Compatible Devices: H1.M100, H1.M200 and T1.B100
4.1 - HVAC Cloud Adapter 0.9.9.4 - Download
Release Date: 25.02.2025
New features and changes
Update to Cloud Adapter 0.9.9.4
Important new features:
HTTP routing: Optimizations for unexpected line endings
HTTP routing: TLS 1.3 available for web servers with self-signed certificates
BACnet: Scanning devices only on request, which leads to a significant speedup in large networks
BACnet: Elements without a description property are now also supported
Teltonika: Configured pulse counters can be used
Minimum firmware version: v3.9 Compatible Devices: H1.M100, H1.M200 and T1.B100
4.0 - HVAC Cloud Adapter 0.9.9.2 - Download
Release Date: 28.01.2025
New features and changes
When used with the powerIO-Box T1.B100, a serial port can now be assigned to the Application. Further information.
Minimum firmware version: v3.9 Compatible Devices: H1.M100, H1.M200 and T1.B100
3.7 - HVAC Cloud Adapter 0.9.9.2 - Download
Release Date: 07.01.2025
New features and changes
Update to Cloud Adapter 0.9.9.2
Important new features:
HTTP forwarding: Optimizations for unexpected connection drops
JSON API: Improved compatibility
MBedTLS and certificates updated
Minimum firmware version: v3.9 Compatible Devices: H1.M100, H1.M200 and T1.B100
3.6 - HVAC Cloud Adapter 0.9.9.1 - Download
Release Date: 07.10.2024
New features and changes
Update to Cloud Adapter 0.9.9.1
Important new features:
Modbus: New optimized read function that allows up to 250 registers or up to 2000 coils to be read in one pass
New: Display of cycle time for some connection types
VPN: Bug fix - firewall rules could not be set on some Docker-based systems
BACnet: Optimized browsing of legacy devices
BACnet: Support for OBJECT_MULTI_STATE_VALUE
Minimum firmware version: v3.0 Compatible devices: H1.M100, H1.M200 and T1.B100
3.5 - HVAC Cloud Adapter 0.9.9.0 - Download
Release Date: 07.08.2024
New features and changes
Update to Cloud Adapter 0.9.9.0
Important new features:
New: Support for the CAN protocol
New: Support for JSON APIs
Optimizations for slow internet connections
VPN: Reduction of data volume by suspending unused connections
MBus: The polling interval can be configured
OPC-UA: Bug fixed where the connection was not restored after a subscription expired
Minimum firmware version: v3.0 Compatible devices: H1.M100, H1.M200 and T1.B100
3.4 - HVAC Cloud Adapter 0.9.8.0 - Download
Release Date: 04.03.2023
New features and changes
Update to Cloud Adapter 0.9.8.0 -> Modbus: Support for FC06 and FC16, write registers -> New protocol: SunSpec (TCP and RTU) support -> When using an LTE connection, the cell tower location is automatically displayed in the portal
Minimum firmware version: v3.0 Compatible devices: H1.M100, H1.M200 and T1.B100
3.3 - HVAC Cloud Adapter 0.9.7.5 - Download
Release Date: 18.12.2023
Bug fixes
Serial Ports could not be used in the versions on H1.M100 and H1.M200 >= 3.0 <=3.2 This bug is now fixed and the use of Serial Ports is possible again.
Minimum firmware version: v3.0 Compatible devices: H1.M100, H1.M200 and T1.B100
3.2 - HVAC Cloud Adapter 0.9.7.5 - Download
Release Date: 23.11.2023
New features and changes
Update to Cloud Adapter 0.9.7.5 -> BACnet: Fix reading/writing of BinaryValues on devices with MIPS processor
Minimum firmware version: v3.0 Compatible devices: H1.M100, H1.M200 and T1.B100
3.1 - HVAC Cloud Adapter 0.9.7.4 - Download
Release Date: 17.08.2023
New features and changes
Update to Cloud Adapter 0.9.7.4 --> Siemens: Performance improvements --> Beckhoff ADS: Arrays and substructures are now correctly supported --> OPC-UA: Improvements regarding stability and idle detection --> Fixed: Excel export/import with umlauts did not work correctly
Minimum firmware version: v3.0 Compatible devices: H1.M100, H1.M200 and T1.B100
3.0 - HVAC Cloud Adapter 0.9.7.1 - Download
Release Date: 22.06.2023
New features and changes
Compatibility for H1.M200 powerIO Device
Backup & Restore function
Minimum firmware version: v3.0 Compatible devices: H1.M100, H1.M200 and T1.B100
Please note that the version(s) below are only suitable for the firmware < 3.0 suitable
2.0 - HVAC Cloud Adapter 0.9.6.1 - Download
Release Date: 22.06.2023
New features and changes
Compatibility for H1.M200 powerIO Device
Backup & Restore function
Minimum version: >= v2.0 < v3.0 Compatible devices: H1.M100 and T1.B100
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