Appendix A
Device-Specific Information
©
National Instruments Corporation
A-29
Refer to the
Connecting Analog Output Signals
section of
Chapter 3,
, for more information.
AO External Reference
The AO EXT REF input controls the voltage range of analog output signals.
Figure A-27 shows circuitry of the AO EXT REF on BNC DAQPads.
Figure A-27.
AO EXT REF
Refer to the
section of Chapter 3,
, for
more information.
Counter 0 Out and PFI 0/AI Start Trigger
You can access the Counter 0 Out and PFI 0/AI Start Trigger signals
through their respective pins on BNC DAQPads, as shown in the
Figure A-28 and Figure A-29.
Figure A-28.
Counter 0 Out
Figure A-29.
PFI 0/AI Start Trigger
AO EXT REF
AI GND
CTR 0 OUT
D GND
PFI 0/AI START TRIG
D GND
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