Appendix A
Device-Specific Information
A-26
ni.com
Refer to the
Connecting Analog Output Signals
, for more information.
USER
The USER BNC connector allows yo
u
to
u
se a BNC connector for a digital
or timing I/O signal of yo
u
r choice. The USER BNC connector is ro
u
ted
(internal to the USB-6218 BNC) to the USER screw terminal, as shown in
Fig
u
re A-19.
Figure A-19.
USER BNC Connection
Fig
u
re A-20 shows an example of how to
u
se the USER BNC. To access
the PFI 9/P0.5 signal from a BNC, connect USER on the screw terminal
block to PFI 9/P0.5 with a wire.
Figure A-20.
Connecting PFI 9/P0.5 to USER BNC
U
S
ER
D GND
P
x
.
x
P
x
.
x
P
x
.
x
P
x
.
x
P
x
.
x
S
crew
Termin
a
l
Block
U
S
ER BNC
D GND
Intern
a
l
Connection
BNC C
ab
le
PFI 9
S
ign
a
l
U
S
ER
AI
S
EN
S
E
AI GND
D GND
P1.7 (OUT)
P1.6 (OUT)
P1.5 (OUT)
P1.4 (OUT)
D GND
P1.
3
(OUT)
P1.2 (OUT)
P1.1 (OUT)
P1.0 (OUT)
U
S
ER BNC
D GND
S
crew
Termin
a
l
Block
Intern
a
l
Connection
D GND
D GND
+5 V
D GND
P0.7 (IN)
P0.6 (IN)
P0.5 (IN)
P0.4 (IN)
D GND
P0.
3
(IN)
P0.2 (IN)
P0.1 (IN)
P0.0 (IN)
Wire
