OPC-UA General

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OPC-UA is an up to data protocol for data exchange in plants. It handles a lot of functions, and it supports encryption.

In Industrie 4.0 it will be used frequently.

OPC-UA Server

Offers OPC-UA functionality to others

OPC-UA Client

Uses OPC-UA from others.

OPC-UA Connections

OPC-UA uses TCP/IP as base. The connection must be configured on both sides. The default port is 4840.

If multiple OPC-UA servers are running on one machine different ports need to be used.

OPC-UA has some extensions doe the connection establishing. The details of it will be find in the manual of the server.

The Tani OPC-UA server does not require any specific connection parameters.

 

OPC UA can be operated securely. In this case, certificates are used. More information see OPC UA Certificates.

 

OPC-UA allows file access. This need to be enabled in the server.