Specifies the actual amount of excitation supplied by an internal excitation source. If you read an internal excitation source more precisely with an external device, set this property to the value you read. NI-DAQmx ignores this value for external excitation. When performing shunt calibration, some devices set this property automatically.

Remarks

The following table lists the characteristics of this property.

Short Name AI.Excit.ActualVal
Data type cdbl.png
Permissions Read/Write
Resettable True
Settable While Task Is Running device-specific
Available in Run-Time Engine True