Configuring RUT956 as Master serial to send ASCII string to Slave display

Hi,

I’ve got a specific case here and I am struggling to get all the pieces working.

I need to be able to send an ASCII string to a slave display to display a certain value.

My line of thinking is that I can send the string as a MQTT payload to the RUT956, store this in a custom register and have this sent to the serial connected (RS232 or 485) slave device.

I have tried to follow the instructions given to setup and test a custome register in the Teltonika Wiki, but I have not been able to test these results.

I would like to be able to prove this before purchasing an expensive display that may not work if I cannot get it to query a custom register that stores a formatted ascii string. The MQTT Gateway seems like an option, but again I would like to be able to prove that is can pass the subscribed message to a serially connected device.

Could anyone provide any guidance or ideas to solve this use case?

Thanks.
Rick

Hello,

In the Modbus Serial Client configuration, you can select ASCII as the data type next to the request configuration. For more information, please refer to our wiki page: RUT955 Modbus - Requests Configuration.

Best regards,

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