Is a Trial or Demo Version of OPC Expert Available
Is a demo or trial version of OPC Expert available that allows evaluation before purchasing a license? OPC Expert is available for download from opcexpert.com. The software can be downloaded [...]
Is OPC Expert Compatible with OPC Servers from Any Manufacturer?
Is OPC Expert vendor-agnostic and compatible with OPC servers from any manufacturer, including Rockwell, Siemens, and Honeywell? OPC Expert is vendor-agnostic. It connects to any OPC server that implements the [...]
OPC Server as a Windows Service vs. OPCEnum: Key Differences Explained
What are the reliability benefits of running an OPC server as a Windows service compared to relying on OPCEnum for server detection and connection? OPCEnum and Windows service operation address [...]
Running a Classic OPC DA Server as a Windows Service Using OPC Expert
Can OPC Expert run a Classic OPC DA server as a Windows service, even if the OPC server is a standalone executable without a built-in service feature? OPC Expert itself [...]
Is OPC Expert an OPC Server, an OPC Client, or Middleware?
Is OPC Expert an OPC server, or does it function purely as a middleware bridge between OPC clients and OPC servers? OPC Expert contains both an OPC client and an [...]
Troubleshooting OPC DA Connection Failures on Dual-Ethernet DCS Systems
How do you troubleshoot a failed OPC DA connection between a DCS and an external system when the DCS has redundant Ethernet connections? When an OPC DA connection between a [...]
Warm and Cold OPC Redundancy: Handling Writes During Inactive Standby
How does OPC Expert handle asynchronous writes and data changes during Warm or Cold redundancy when the standby has no active data connection? In Warm and Cold redundancy modes, the [...]
Does OPC Expert Need to Be Installed on Primary and Secondary Servers?
Does OPC Expert need to be installed on both the primary and secondary OPC server machines to support redundancy? The answer depends on whether you are using OPC Expert with [...]
How OPC Expert Detects OPC Server Failures and Initiates Failover
How does OPC Expert detect a failed connection to the primary OPC server and initiate a switchover to the standby? OPC Expert uses continuous, built-in connection monitoring to detect failures [...]
OPC Expert Redundancy: How Hot, Warm, and Cold Modes Differ
What are the configuration differences between Hot, Warm, and Cold redundancy in OPC Expert? OPC Expert supports three redundancy modes: Hot, Warm, and Cold. Each mode represents a different approach [...]