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Using the Update Clock on a DAQPad

Hardware: Legacy DAQ Devices>>Multifunction DAQ>>DAQPad-MIO-16XE-50

Problem: I have routed the update clock signal of my DAQPad-MIO-16XE-50 to PFI5 pin with LabVIEW's Route Signal.vi, but I cannot detect the pulse train with my digital logic probe or any of the analog input channels. The strange thing is that I can detect the update clock on PFI5 for a PCI or ISA board using the same approach.

Solution: Wire PFI5 of the DAQPad to the input of a counter. Perform simple event counting, and you will indeed see the update clock. The actual current drive on the DAQPad is lower than its PCI/ISA counterparts, which is why only the DAQPad's counters could detect the update clock.

Related Links: Product Manuals: DAQPad-MIO-16XE-50

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Report Date: 08/10/2000
Last Updated: 12/19/2003
Document ID: 209E7R4U

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