Figure A-4. Ni Usb-6341 Bnc Pinout - National Instruments X Series User Manual

Appendix A Device-Specific Information
Figure A-4 shows the pinout of the NI USB-6341 BNC. For a detailed description of each signal,
refer to the I/O Connector Signal Descriptions
Information.
AI 0
FS GS FS
AI 4
FS GS FS
Floating Source (FS)
+
–
AI GND
USB 6341
PFI 0/P1.0 PFI 1/P1.1
PFI 4/P1.4
PFI 5/P1.5
POWER
Refer to Table 7-9, X Series PCI Express/PXI Express/USB Mass Termination/USB BNC Device
Default NI-DAQmx Counter/Timer
for this device. For more information about default NI-DAQmx counter inputs, refer to
Connecting Counter Signals in the NI-DAQmx Help or the LabVIEW Help.
A-6 | ni.com

Figure A-4. NI USB-6341 BNC Pinout

AI 1 AI 2
GS FS GS FS
AI 5 AI 6
GS FS GS FS
Ground Ref. Source (GS)
AI +
+
AI –
–
USB 6341
PFI 2/P1.2 PFI 3/P1.3
PFI 6/P1.6 PFI 7/P1.7
Pins, for a list of the default NI-DAQmx counter/timer pins
section of Chapter 3,
AI 3 AO 0
GS
AI 7 AO 1
GS
AI +
AI –
USER 1
USER 2
Connector and LED
D GND
P0.0
P0.1
P0.2
P0.3
D GND
P0.4
P0.5
P0.6
P0.7
D GND
PFI 8/P2.0
PFI 9/P2.1
PFI 10/P2.2
PFI 11/P2.3
D GND
PFI 12/P2.4
PFI 13/P2.5
PFI 14/P2.6
PFI 15/P2.7
D GND
USER 1
USER 2
D GND
+5 V
AI GND
AI SENSE
NC
NC
CHS GND
CHS GND
NI USB-6341
8 Inputs, 16-Bit, 500 kS/s
X Series Multifunction DAQ