Hi Joel_Neptune,
The PCI-6110 and other S Series devices like the PXI-6115 and PXIe-6124 do not natively support analog input retriggering in NI-DAQmx. However, you can use one of the board's general purpose counter/timers to generate a retriggered pulse train, and then use that pulse train as the sample clock. This shipping example shows how:
LabVIEW\examples\DAQmx\Synchronization\Multi-Function.llb\Multi-Function-Ctr Retrigg Pulse Train Generation for AI Sample Clock.vi
Also, the new simultaneous sampling X Series devices natively support analog input retriggering without using a separate counter/timer task.
Brad
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Brad Keryan
NI R&D