Procedure on How to Use OPC Test Client

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Issue
An OPC Client does not read values from the OPC Server provided by Power Monitoring Expert (PME). As such it is necessary to verify OPC Server is functioning properly. For this purpose, OPC Test Client, a utility provided by PME can be used.

Product Line
Power Monitoring Expert (PME)

Environment
OPC

Cause
Testing OPC Server capability of PME to verify its functionality.

Resolution
1. Run OpcTestClient.exe from ...\system\bin\ in PME installation folder.

2. Click on 'Connect' button on the right side.

Note that the OPC Server address (opcda://localhost/ION.OpcDaServer) is already selected in the 'Server' drop down list. If not, it should be selected from the drop down list:

server in opc test client

Upon connection, ION.OpcDaServer will appear in the left pane:

the server name

3. Right click on ION.OpcDaServer and select 'Create Subscription...':

4. Provide a name for the subscription and click Next:

provide name here

The devices will populate on the left side:

where devices populate

5. Select a measurement from a device. Double click on the tag to transfer it to the right pane:

device tag

6. Click Next:

what to click to proceed

7. Click Done to see the value:

the value is displayed

Note* There is no link to OPC Test Client. It can be found in the installation folder created by the PME software.