![]() If the parameter is defined, after the communication has failed, the process D2000 KOM is attempting to establish connection alternately with the OPC host and Backup host. Backup Host: Only Remote entrance requires it.\\server or server), DNS domain names (e.g. You can define names according to the UNC convention (e.g. Computer, where the program D2000 OPC Serveris installed in - it is defined for OPC server type "Remote" only (maximum string: 50 characters). OPC Host: Only Remote entrance requires it.It also supports the client side of communication with OPC HDA (Historical Data Access) servers according to OPC HDA specifications ver. The protocol supports the client side of a communication with OPC (OLE for Process Control) DA (Data Access) servers according to the OPC DA specification ver. Supported device types and versions of devices Communication line configuration Communication station configuration I/O tag configuration Browsing of the OPC server address space Historical Data Access Tell commands DCOM configuration for connecting a remote OPC server Errors and problems Literature Changes and modifications Document revisions OPC Data Access 2.05 & 3.0 Client Communication Protocol
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