OPC Test Tool
Use to test local and remote OPC-DA, OPC-HDA, and OPC A&E Servers
OPC-DA: Data Access
OPC-HDA: Historical Data Access
OPC-A&E: Alarms and Events
If connection issues are a problem, download this tool and then see our OPC Connection Issues page!
Functions include:
- OPC-DA, OPC-HDA, OPC-A&E
Connection test (local and remote OPC Servers) - OPC-DA
Tag/item browsing and tag properties
Read current tag/item values, qualities, and timestamps (Cache or Device read)
Write tag/item values - OPD-HDA
Read historical tag/item values, qualities, and timestamps (raw, at time, before/after time)
Read aggregate values (average, min, max, …) - OPC-A&E
Create subscriptions with filters. View and store subscription events.
Visit our OPC A&E information and resources page
This tool is Free!
Screen shots
OPC-DA/HDA
Item browsing
Values and Aggregates
OPC Alarms and Events
Subscription filter
Subscription viewer
