National Instruments NI 6711 User Manual

Also see for DAQCard-6715: User manual User manual

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National Instruments NI 6711 User Manual Manual pdf 44 page image

Chapter 3 Analog Output© National Instruments Corporation 3-9 Analog Output Series User ManualUsing an Internal SourceBy default, ao/SampleClock is created internally by dividing down theao/SampleClockTimebase. For more information, refer to the AO SampleClock Timebase Signal section.Several other internal signals can be routed to the sample clock. Refer toDevice Routing in MAX in the NI-DAQmx Help or the LabVIEW Help inversion 8.0 for more information.Using an External SourceYou can use a signal connected to any PFI or RTSI <0..6> pin as the sourceof ao/SampleClock. Figure 3-6 shows the timing requirements of theao/SampleClock source.Figure 3-6. ao/SampleClock Timing RequirementsOutputting the AO Sample Clock SignalYou can configure the PFI 5/AO SAMP CLK pin to output theao/SampleClock signal. The output pin reflects the ao/SampleClocksignal regardless of what signal you specify as its source.Rising-EdgePolarityFalling-EdgePolaritytw = 10 ns minimumtw