Unit - property of the ExtSubVar object
Physical unit of the variable This property is accessible only for the variables of the object: PmaData
d = oData.Item(id).Extension("sv").Unit
Property access for read only
. The value of this property is defined in the "Unit
" configurator of this object. Although the property is read-only it is possible to enter initial value into it by script (if it si empty). After that it is not possible to modify the value (until the application is restarted).
Examples of obtaining this property in the script.
value = pMe.Pm("/data/#vars/Temperature/#ext/sv").Unit;
value = pMe.Pm("/data/#vars/Temperature").Extension("sv").Unit;
value = pMe.Pm("/data").Item("Temperature").Extension("sv").Unit;
The example of obtaining this property by Macro expression
from another data extension via pDE
: The property can now be writen only once