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Hi, I bought a RUT955 to be used in the remote measurement of process variables, wiht a PLC.
It is required to integrate the rtu955 and a PLC, and then to upload the all data to a cloud server.
Data from the RUT955 (GPS, Digital imput, and Digital Output) and the PLC (sensors) should be saved into RUTT955 at 1 minute. Equipments are communicated via ModBus.
It is possible to build a packet, with all the information (RUT + PLC), within the RUT955 and then send it to the web server ??
Is the RUT955 the right equipment for this task, or should I look for another one?
Thank you very much for the help

1 Answer

+1 vote


Yes, RUT955 can both collect and send Modbus data  to remote server.

To configure it simple navigate to Services -> Modbus and select via which interface will the device will be connected via Ethernet cable (Modbus TCP Master) or via serial interface (Modbus Serial Master). With modbus master router will collect modbus data from slave devices, and with the help of Modbus Data to Server you can send collected data to remote server.

By default when Modbus Master request data, the data is stored in databse and then it is sent to remote server. In case of internet loss or server being down, all unsent but collected data is stored in the router memory.

Keep in mind data is stored until reboot, if devices is rebooted data is lost.

More information and manuals:



Best answer
Muy útil, gracias, me queda esta duda relacionada con la consulta original, además de los datos Modbus, los del GPS y entradas y salidas se van guardando también en la base de datos y se pueden enviar todos juntos al server cuando exista conexión?
Very useful, thanks, I still have this question related to the original query, in addition to the Modbus data, the GPS and the inputs and outputs are also stored in the database and can they be sent together to the server when there is a connection?

Thank you very much for the answer, it is appropriate to my problem.

In order to the information provided in the link:


in the Services> Modbus> Modbus Data to Server tab; “Data Sender Configuration” option, field where the JSON data string is configured: I need to form a data string with the parameters of the PLC + RUT955

How to add the parameters of RUT955 in the same string?

Is it possible to achieve only one string?

How are they invoked?

The parameters of interest of the RUT955 are mentioned in:


Thank you very much for the help

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If you want RUT955 data, you can add a Modbus Slave to read and store internal datas like PLC Data.
Enable Modbus Slave on your RUT and add your RUT IP and request on Modbus Tcp Master.

If you want only one Json object, use your PLC to Read RUT Datas, copy then on datatable with all your datas from PLC and RUT and read it with RUT Modbus Master and Modbus Sender
Thank you very much for your help. Both options are useful for my project. Best regards