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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.

CODESYS File-Based Storage offers an alternative project storage format for CODESYS. In contrast to normal, binary project storage, projects are stored text-based in a folder structure similar to the project tree.

CODESYS File-Based Storage is part of the CODESYS Professional Developer Edition tool bundle.

Prerelease: Version 0.9.0.0 is the prerelease of an upcoming product. The prerelease is functional, but may contain errors, incomplete functions, or changes in future versions. Compatibility with future versions is not guaranteed. It is strictly pointed out that incompatibilities, functional changes, or the loss of functions are possible in future versions. A claim to bug fixes, adaptations, updates, or support for this prerelease is excluded.