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Communicate to plc over 3G mobile network


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Hello! Is it possible to communicate over Ethernet with a Vision 350 over the 3G mobile network? I would like to use the remote operator to remotely connect me with this plc. Had planned to connect the PLC to a Dovado 3GN router and a 3G modem Huawei E1820. Is it possible to use dynamic DNS for this or do I have a static IP address?

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  • MVP 2014

This should work fine, I have seen it done many times.

You could use either a static IP or dynamic DNS. The latter depends on the support offered by the 3G modem.

You also need to set up port forwarding in the modem, 20256 and 20257 are the default ports for Remote Operator and other Unitronics software tools.

Since remote operator allows you to use a domain name the a dynamic DNS would be a seamless solution.

On the other hand, if Static IP is possible and not too costly, it frees you up from dependence on 3rd party dynamic DNS services.

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