I am using the NI 6259 DAQ to read a quadrature encoder. The datasheet for the 6259 states that any PFI designated channel can be used as a counter/timer; however, there are only two channels that seem to work. When I set up one of the other PFI channels, the encoder read out on NI MAX changes from 0 to 36m, but nothing in between. It appears to be set up exactly the same as with the two channels that work. Any suggestions on what I could be missing? Are not all PFI channels created equal?
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