Network via DCOM

If you wish (or need) to allow data exchange between an OPC client and the TwinCAT OPC server over a network via DCOM, this DCOM access type must be configured beforehand.

The data flow is then as follows:

The following steps describe the necessary settings for the PC on which the TwinCAT OPC server is installed.

(Use step 1 for the PC on which the OPC client is installed.)

Requirement

It is assumed that all the PCs which are to participate via DCOM in an OPC client/server connection are already set up for network operation (i.e. they have configured network cards running the TCP/IP protocol)