For the complete documentation index, see llms.txt. This page is also available as Markdown.

HVAC Library

Download and changelog page for the HVAC Library

Documentation

To the documentation

Current version

3.2.1.32 - HVAC - Download

Release Date 03.04.2026

New functions and changes

  • General improvements

  • XPuls error correction (rising edge after reset)

  • Pulse error correction (rising edge after reset)

  • Documentation Link


Technical details and security for download

SBOM (Software Bill of Materials)

Link to the SBOM (spdx)

Signing

Yes (more info)

Signed library hash

cdbeca08d47d


Older versions

3.2.1.31 - HVAC - Download

Release Date 26.03.2026

New functions and changes

  • FB 'PowerFeedOptimizer': Optimizations / extensions


Technical details and security for download

SBOM (Software Bill of Materials)

Link to the SBOM (spdx)

Signing

Yes (more info)

Signed library hash

1b143f74e9d7

3.2.1.29 - HVAC - Download

Release Date 04.02.2026

New functions and changes

  • General improvements


Technical details and security for download

SBOM (Software Bill of Materials)

Link to the SBOM (spdx)

Signing

Yes (more info)

Signed library hash

1b143f74e9d7

3.2.1.26 - HVAC - Download

Release Date - 02.10.2025

New FBs

  • AverageCh16

  • SetPointCorrection

  • BoolChanged

Changes

  • Avoidance of the exception error 'DivisioByZero' in some FBs

  • 'PowerFeedOptimizer'

    • Functions expanded and optimized

  • Comma_F function

  • License check adjustment


Technical details and security for download

Signing

Yes (more info)

3.2.1.25 - HVAC - Download

Release Date - 02.10.2025

New FBs

  • AverageCh16

  • SetPointCorrection

  • BoolChanged

Changes

  • Avoidance of the exception error 'DivisioByZero' in some FBs

  • 'PowerFeedOptimizer'

    • Functions expanded and optimized

  • Comma_F function

  • License check adjustment


Technical details and security for download

Signing

Yes (more info)

3.2.1.21 - HVAC - Download

Release Date 09.07.2025

New FBs

  • 'Redundance16'

  • 'WetBulbTemperature'

  • 'FireDamperMot_OnOff'

Changes

  • FB 'ClockMaster32': The following parameters are now visible

    • arClock7d1Ch

    • FB_PublicHoliday

    • FB_SwitchTimeS

    • FB_Holiday

    • ClockSlave32List

  • 'PowerFeedOptimizer'

    • Input 'wActiveNumberOfDevices_Con' added

    • Input 'wActiveNumberOfDevices_Gen' added

3.2.1.19 - HVAC - Download

Release Date 11.06.2025

New FB

  • 'PowerFeedOptimizer'

3.2.1.18 - HVAC - Download

Release Date 06.05.2025

Changes

  • FB 'Shade': Adjustment in the switching area when pressing the button between 'Full movement' and 'Slat adjustment'.

  • FB 'FireDamperMot' and 'FireDamperMotSmoke': The output 'xAlarm' is now independent of test mode 'xTestEx'.

3.2.1.16 - HVAC - Download

Release Date 06.12.2024

Changes

  • with the input 'xQuit' the timer for operation monitoring is restarted

    • 'Pump'

    • 'DuoPump'

    • 'DeviceSimple2'

    • 'DeviceSimple3'

    • 'Fan1speed'

    • 'Fan2speed'

    • 'FanAnalog'

    • 'FanControl'

New FBs

  • 'Mux10BinFun'

  • 'FileViewer'

3.2.1.14 - HVAC - Download

Release Date 25.04.2024

Changes

  • FB 'AverageTime': Error correction in the method 'CalculateAverage'.

  • FB 'MacroInfo': Input 'xHint' added

3.2.1.12 - HVAC - Download

Release Date 05.04.2024

Changes

  • FB 'Redundance2': When requested by both devices, the outputs of the lead device and the follower device are optionally enabled, although the follower device is faulty.

3.2.1.11 - HVAC - Download

Release Date 19.02.2024

Extensions / changes to avoid exception errors of type 'DevsisionByZero'

  • FB 'DampingT1'

  • FB 'AverageTime'

  • FB 'AverageTimeCal'

3.2.1.10 - HVAC - Download

Release Date 14.11.2023

New FB

  • DisplayRealVisu

Changes

  • Addition of input xForce in the FBs DeviceSimple2 and DeviceSimple3

3.2.1.9 - HVAC - Download

Release Date 07.11.2023

New FB

  • FireDamper2

3.2.1.8 - HVAC - Download

Release Date 17.08.2023

New functions and changes

  • Clock structure supplemented by variable ActivClocksVisu

  • Increased global parameter gc_iMaxSlaveList from 63 to 144

3.2.1.7 - HVAC - Download

Release Date 22.05.2023

New functions and changes

  • New PI controller ControlPIext

    • Function like ControlPI

    • following parameters changed to inputs

      • rYDisabled

      • rInitValue

      • rKp

      • rTn

      • rYMin

      • rYMax

3.2.1.6 - HVAC - Download

Release Date 09.01.2023

New functions and changes

  • Documentation

  • New FBs:

    • Redundance3

    • Redundance8

3.2.1.5 - HVAC - Download

Release Date 09.12.2022

New functions and changes

  • n.a.

3.2.1.4 - HVAC - Download

Release Date 08.12.2022

New functions and changes

  • n.a.

3.2.1.2 - HVAC - Download

Release Date 11.10.2022

New functions and changes

  • n.a.

3.1.0.14 - HVAC - Download

Release Date 11.10.2021

New functions and changes

  • n.a.

Details

Last updated