National Instruments USB device 628x - Manual (Page 12)

NI USB-622x/625x/628x OEM User Guide 12 ni.com
Default Counter/Timer Pinouts
By default, NI-DAQmx routes the counter/timer inputs and outputs to the
PFI pins, shown in Table 1.
Table 1. NI-DAQmx Default Counter/Timer Pins
Counter/Timer Signal Default Terminal Name
CTR 0 SRC PFI 8
CTR 0 GATE PFI 9
CTR 0 AUX PFI 10
CTR 0 OUT PFI 12
CTR 0 A PFI 8
CTR 0 Z PFI 9
CTR 0 B PFI 10
CTR 1 SRC PFI 3
CTR 1 GATE PFI 4
CTR 1 AUX PFI 11
CTR 1 OUT PFI 13
CTR 1 A PFI 3
CTR 1 Z PFI 4
CTR 1 B PFI 11
FREQ OUT PFI 14