User Manual 52 < back to the table of contents > 12.3.2 Structure of the MQTT Payload The payload of the MQTT message consists of a JSON file that contains the data for each individual DAT-Module. Additionally, there is a separate JSON file for the data of the COM-Module. The data within the JSON file is divided into Energy and module information relevant to the entire module and Status messages and energy data for each individual phase. Figure 54 shows the structure of the JSON file for the COM-Module, which includes hardware information and the states of the GPIOs. Figure 55 illustrates the structure of the JSON file containing energy data for Phase 1 (phases/0…). Further details on the topic structure can be found in Chapter 14 MQTT Payload. 12.4 Services Figure 56: Tab for “Services” Figure 54: JSON file of the MQTT payload from a COM-Module Figure 55: JSON file of the MQTT payload from a DAT-Module
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