Ground – Measurement Computing USB-231 User Manual
Page 20
USB-231 User's Guide
Functional Details
20
Figure 12. Connecting the +VO power source load
The + 5 V power is always enabled and the voltage is present at the
+VO
terminal when the device is in active
mode. The +5 V power source is not available for about one second after the device is first connected to the
USB connector or when the device is in suspend mode.
Ground
The analog ground (
AGND
) terminals provide a common ground for all analog channels. The digital ground
(
DND
) terminals provide a common ground for the digital, counter, and power terminal.
For more information about signal connections
For more information about analog and digital signal connections, refer to the Guide to Signal Connections at
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