The JSON format is the common formatting for data in the environment of NoSQL, Cloud, MQTT, Web etc.. The JSON documents can map complex structures and are readable as normal text due to the encoding in UTF-8 (or UTF-16/-32).
If production or process data are to be read from controllers via OPC UA and transferred as JSON to a target system, they are converted using the JSON Write transfer object of the OPC router. The nested JSON document structure is defined in the JSON Write transfer object. The individual fields of the document can then be written to with OPC UA data in the OPC Router connection. The JSON document filled with production and process data is transferred to the target system as a complete document (e.g. MongoDB, InfluxDB, MQTT, REST).