Value does not display

The tag does not exist in the controller.

Select a tag that exists in the controller and verify that the controller is referenced in the properties of the project.

The tag value is not a number and cannot be converted to a number.

Verify the value in the property, binding, or expression.

The value has an invalid syntax.

Verify the syntax of the binding or expression or the value of the parameter in the binding or expression.

The expression is not evaluated because math is being attempted on a non-numeric value or because the property cannot be divided by zero.

Verify the values for the property.

The tag type is mismatched and the data cannot be converted, or the tag is read-only.

Verify the tag type and verify that the External Access property for the tag is not set to None.