National Instruments Data Acquisition Device E Series User Manual page 225

Appendix A Device-Specific Information
E Series User Manual
Refer to the Connecting Analog Output Signals
Analog Output, for more information.
AO External Reference
The AO EXT REF input controls the voltage range of analog output signals.
Figure A-78 shows circuitry of the AO EXT REF on BNC DAQPads.
Refer to the Reference Selection
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 Figure A-79
and Figure A-80.
AO EXT REF
AI GND
Figure A-78. AO EXT REF
section of Chapter 3,
CTR 0 OUT
D GND
Figure A-79. Counter 0 Out
PFI 0/AI START TRIG
D GND
Figure A-80. PFI 0/AI Start Trigger
A-90
section of Chapter 3,
Analog Output, for
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