Modbus TCP to OPC
I am planning to read the data from to third party and from to 800xa . Could you advice that third party soft better to use or you have another solution. I tested couple and for "Integration objects" root (Item ID) are "Top Server" root (Item ID) are
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However, from personal experience. Kepware OPC servers seem to work much better than Matrikon products.
You can use Matrikon or any other software to convert the modbus TCP to OPC and broadcast the same to 800xA OPC client.
Any separator like DOT or Slash can be selected based on the OPC server or client, can be used, if supported. Dot is universal and supported by most of the OPC client/servers. Other than that there is no difference or significance with respect to the separator. It is just used for the representation considering the support available by the 3rd party OPC vendor.
Source: System 800xA 6.1 AC 800M OPC Server