component from OPC Foundation. The OpcEnum component is used for browsing OPCservers on a computer and for mapping progIds to CLSIDs. ProIds are used to configurethe remote OPC server on COM600. CLSIDs are needed to start the OPC server viaDCOM.For more information on setting up the DCOM, see Microsoft and OPC Foundation websites.Configuring DCOM3.6.2.The DCOM settings are configured with the DCOMCNFG program.To configure the DCOM settings:1. Execute the DCOMCNFG program by selecting Start > Run As menu or via acommand prompt.2. Select Component Services > Computers > My Computer.3. Right-click My Computer and select Properties to open the DCOM settingsproperty sheet.Configuring COM600 and OPC server computers3.6.3.Configuring DCOM default properties3.6.3.1.To configure the DCOM default properties:1. In the My Computer Properties dialog, select the Default Properties tab.2. Select Enable Distributed COM.3. Set the default authentication level to Connect from the drop-down menu.4. Set the default impersonation level to Identify from the drop-down menu.71COM600 series, Version 4.11MRS757274External OPC Server User's Manual