Mqtt Json And Modbus Rtu/Ascii Conversion - ICP DAS USA UA-5200 Series User Manual
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UA-5200 Series User Manual V4.3
ICP DAS
8.6. MQTT JSON and Modbus RTU/ASCII Conversion
This page provides MQTT JSON and Modbus RTU/ASCII (Master) communication
protocol conversion. With the MQTT Service function, users can set the MQTT client
to publish the message to the specified broker or subscribe the topic, and combine several
messages that converted in JSON format into a group to read and write the multiple
channels of the Modbus RTU/ASCII devices that connected to the controller.
The settings of Modbus RTU/ASCII are the same. Here will introduce them together.
For the certificate about the communication security, please refer to
Chapter
12.
Function Diagram:
Application Solution:
188
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