Advantech WebAccess MQTT Device Design Specification

Overview of WebAccess MQTT Device Integration

This document presents the comprehensive design specification for devices intended to connect with the Advantech WebAccess Cloud via the MQTT protocol. It serves as a vital resource for developers and system integrators, outlining the necessary parameters and formats for seamless device communication.

The specification details various aspects of MQTT communication, including connection parameters such as Host Name, Port, Client ID, QoS levels, and SSL/TLS requirements. It also defines the structure of MQTT topics for different data types, including real-time data, file transfers, and configuration updates. Furthermore, the document provides insights into the root JSON format and specific data formats for tag values, ensuring robust and efficient data exchange.

Key areas covered include:

• Detailed MQTT connection parameters for secure and reliable communication.
• Definition of MQTT topics for data, file, configuration, and command exchanges.
• Specifications for JSON data formats, including real-time tag values and file structures.
• Guidance on configuration management and command execution for connected devices.

This specification is crucial for ensuring compatibility and optimal performance when integrating devices like ADAM3600, WISE4000, and B+B Wzzard series with the Advantech WebAccess Cloud platform.