Status >> Overload >> Overloaded Channels Exist

NI-DAQmx C Properties

Status >> Overload >> Overloaded Channels Exist

Data Type: bool32
Description: Indicates if the device(s) detected an overload in any virtual channel in the task. Reading this property clears the overload status for all channels in the task. You must read this property before you read Overloaded Channels. Otherwise, you will receive an error.
Restrictions: Not Settable

You can get this property using:
  DAQmxGetReadOverloadedChansExist