MCC USB-1808X: High-Speed, High-Precision, Simultaneous USB DAQ Device - User Guide

USB-1808X User's Guide Functional Details
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In Figure 10 all mask bits are excluded except bit 3. The result of this operation is that only bit 3 is included in
the pattern to detect.
Figure 10. Trigger mask with some bits excluded
Ground
The analog ground (AGND) terminals provide a common ground for all analog channels.
The digital ground (
GND) terminals provide a common ground for the digital, trigger, counter, and encoder
terminals.
Power output
The +VO terminal can output up to 10 mA maximum. You can use this terminal to supply power to external
devices or circuitry.