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HVAC (Heating Ventilation and Air-Conditioning) functional components and HTML5 visualisation. Automate and visualise your entire building technology professionally and independently of hardware: ventilation systems, heat generation, heating circuit distribution, individual room control, room automation, light and blind control.

Further informations and documentation: www.hvac-automation.com

Without purchasing a license (just download), the HVACLibrary SL runs for 30 minutes without functional limitations and disconnects automatically (demo).

MQTT is a Client Server publish/subscribe messaging transport protocol. It is light weight, open, simple, and designed so as to be easy to implement. These characteristics make it ideal for use in many situations, including constrained environments such as communication in Machine to Machine (M2M) and Internet of Things (IoT) contexts where a small code footprint is required and / or network bandwidth is limited.

Janz Tec developed a CODESYS library which implements the MQTT protocol. This way users can add the MQTT protocol easily to their own IEC 61131 applications. The Janz Tec MQTT library for CODESYS implements client functionality. It is completely written in IEC code which guarantees the library can be used on any type of target system.