National Instruments Data Acquisition Device NI USB-621x - Manual (Page 123)

Chapter 8 Counters
NI USB-621x User Manual 8-30 ni.com
Default Counter/Timer Pinouts
By default, NI-DAQmx routes the counter/timer inputs and outputs to the
USB-6210/6211/6215 device PFI pins as shown in Table 8-4.
Note You can find the default NI-DAQmx counter/timer pins for all USB-621x devices in
the applicable section of Appendix A, Device-Specific Information .
You can use these defaults or select other sources and destinations for the
counter/timer signals in NI-DAQmx. Refer to Connecting Counter Signals
in the NI-DAQmx Help or the LabVIEW Help in version 8.0 or later for
more information about how to connect your signals for common counter
measurements and generations. USB-621x default PFI lines for counter
functions are listed in Physical Channels in the NI-DAQmx Help or the
LabVIEW Help in version 8.0 or later.
Table 8-4. Default NI-DAQmx Counter/Timer Pins for
USB-6210/6211/6215 Devices
Counter/Timer Signal Default Terminal Number (Name)
CTR 0 SRC 1 (PFI 0)
CTR 0 GATE 2 (PFI 1)
CTR 0 AUX 1 (PFI 0)
CTR 0 OUT 6 (PFI 4)
CTR 0 A 1 (PFI 0)
CTR 0 Z 3 (PFI 2)
CTR 0 B 2 (PFI 1)
CTR 1 SRC 4 (PFI 3)
CTR 1 GATE 3 (PFI 2)
CTR 1 AUX 4 (PFI 3)
CTR 1 OUT 7 (PFI 5)
CTR 1 A 4 (PFI 3)
CTR 1 Z 2 (PFI 1)
CTR 1 B 3 (PFI 2)
FREQ OUT 8 (PFI 6)