OPC HDA variable mapping indicators
- Last UpdatedOct 10, 2022
- 2 minute read
The OPC HDA variables configuration tool includes indicators that distinguish three types of variable mapping that the variables list displays. The following table describes the variable mapping indicators and their meanings.
|
Variable Mapping Indicator |
Example |
Indicates |
|---|---|---|
|
The list item is black, and its check box is selected. |
|
A variable in the project that is mapped to a variable on the OPC server. |
|
The list item text is red, and its check box is selected. |
|
A variable in the project that is not mapped to a variable on the OPC server. |
|
The list item text is gray, and its check box is cleared. |
|
A variable on the OPC server that is not mapped to a variable in the project. |
TestTag1
TestTag2
TestTag3
You select and clear the check boxes when you import and delete variables.