I am modifying the LabVIEW Real-Time Control (NI-DAQmx) example project to read in multiple analog/digital input/outputs and to have a toggle between the PXI integrated timing and the PXI 6674T oscillator clock. I have been able to easily change the example to incorporate the additional analog and digital signals but I cannot figure out how to get the timing toggle to work. I have been trying to include a DAQmx timing VI with the PXI 6674T for timing but I cannot configure the trigger or the PFI from the PXI 6674T to work properly. Is there an example for the a DAQmx with an external source? Any tips will help? Thank you!