hook_<libraryPrefix>_getInvalidElement()
This function determines the data point element that indicates whether a data point is invalid.
Synopsis
string hook_ <libraryPrefix>_ getInvalidElement(
string dp);
Parameters
Parameters
| Parameter | Description |
|---|---|
| dp | Data point (data point element) that indicates whether the data point is invalid. |
Default
string hook_stdlib_getInvalidElement(string dp)
{
if (dpTypeName(dp)=="STDLIB_regler")
return "STA.ist";
else
return "state.val";
}Instead of "STDLIB_regler", enter the name of the data point type. The data point element is returned. It indicates whether the data point is invalid.
Return Value
Data point element name.
