Unit - property of the PmVar object

Physical unit of the variable.
This property is accessible only for the variables of the object: PmaData and PmaTrendGroup.
String 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 write 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).

Note for the PmaTrendGroup object:
The value entered here is used as initialization value for the trend viewer (for the PmgTrendViewer object). This value is entered in the following property: tvTrend.Unit.
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var oData = pMe.Pm("/Data");
var sUnit = oData.Item(2).Unit;   // Reading from the property

Pm9.00.10: The property can now be writen only once
PROMOTIC 9.0.27 SCADA system documentation MICROSYS, spol. s r.o.

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