Appendix A Device-Specific Information
M Series User Manual A-122 ni.com
USER 1 and USER 2
The USER 1 and USER 2 BNC connectors allow you to use a BNC
connector for a digital or timing I/O signal of your choice. The USER 1 and
USER 2 BNC connectors are routed (internal to the USB-6259 BNC) to the
USER 1 and USER 2 screw terminals, as shown in Figure A-53.
Figure A-53. USER <1..2> BNC Connections
Figure A-54 shows an example of how to use the USER 1 and USER 2
BNCs. To access the PFI 8 signal from a BNC, connect USER 1 on the
screw terminal block to PFI 8 with a wire.
USER 2 BNC
D GND
USER 1
P0.6
P0.5
P0.4
D GND
P0.3
P0.2
P0.1
P0.0
D GND
+5 V
D GND
USER 2
PFI 8/P2.0
P0.7
D GND
Internal Connection
USER 1 BNC
D GND
Screw
Terminal
Block
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