How to Retrieve OPC Variable Engineering Units When Pulling Data into Excel OPC tags carry metadata properties beyond their numeric value, and engineering units are one of those properties. Whether

Do OPC Expert and Excel Need to Be on the Same Computer as the OPC Server? OPC Expert and Excel do not need to be on the same computer as

What Security Features Does OPC UA Offer for Industrial Communication? OPC UA incorporates security at the protocol level, making it fundamentally different from OPC Classic which relied on Windows DCOM

OPC Data Archiving: Storage Volume, Performance Impact, and Compression OPC Expert’s archiving capability is limited in practice by the available disk space and database capacity of the chosen storage target

OPC Redundancy: Automatic Failover to a Backup OPC Server for SCADA OPC Expert supports redundant OPC server configurations where two servers, one primary and one standby, are monitored simultaneously. When

Can You Run an OPC DA Client Inside a Virtual Machine? Running an OPC DA client inside a virtual machine is technically supported, but the virtualized network environment requires specific

Does OPC Expert require you to exchange and explicitly trust certificates to establish an OPC UA connection, similar to the process required in other OPC UA clients? OPC UA is

Do DCOM settings need to be configured on both the OPC client machine and the OPC server machine, and what are the key settings required on each side? Yes, DCOM