Using Referenced Single-Ended (Rse) Connections For Floating Signal Sources - National Instruments DAQ X Series User Manual

connection is made remotely near the source. However, the noise rejection
of NRSE mode is worse than DIFF mode because the AI SENSE
connection is shared with all channels rather than being cabled in a twisted
pair with the AI+ signal.
Using the DAQ Assistant, you can configure the channels for RSE or NRSE
input modes. Refer to the
Software
Using Referenced Single-Ended (RSE) Connections
for Floating Signal Sources
Figure 4-9 shows how to connect a floating signal source to the MIO
X Series device configured for RSE mode.
Using the DAQ Assistant, you can configure the channels for RSE or NRSE
input modes. Refer to the
Software
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Configuring AI Ground-Reference Settings in
section for more information about the DAQ Assistant.
AI <0..31>
+
Floating
Signal V
s
Source –
Input Multiplexers
AI SENSE
AI GND
I/O Connector
Selected Channel in RSE Configuration
Figure 4-9. RSE Connections for Floating Signal Sources
Configuring AI Ground-Reference Settings in
section for more information about the DAQ Assistant.
4-19
Chapter 4 Analog Input
Programmable Gain
Instrumentation
+
Amplifier
+
PGIA
Measured
–
V
m
Voltage
–
X Series User Manual