National Instruments Data Acquisition Device E Series - Manual (Page 225)

Appendix A Device-Specific Information
E Series User Manual A-90 ni.com
Refer to the Connecting Analog Output Signals section of Chapter 3,
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.
Figure A-78. AO EXT REF
Refer to the Reference Selection section of Chapter 3, Analog Output , 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 Figure A-79
and Figure A-80.
Figure A-79. Counter 0 Out
Figure A-80. PFI 0/AI Start Trigger
AO EXT REF
AI GND
CTR 0 OUT
D GND
PFI 0/AI START TRIG
D GND