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Modbus TCP to non unitronics PLC

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Hi all

Starting a project soon and need to know if it is possible to use a vision 570 as a master to a non-unitronics PLC.

All documents and topics appear to indicate that the unitronics must be set to slave.

Also if i have 2 non-unitronics PLC's, do i need a ethernet hub to connect with the 570.

Hope you can help.



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Hi Denis,

You can use Unitronics controllers either as MODBUS master or MODBUS slave.

If you are going to use MODBUS IP then of course the V570 must comprise Ethernet port.

Then as in any Ethernet network if you wish to connect more than 2 device then you need to use hub or a switch..

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