Differential Connections For Floating Signal Sources - National Instruments PCI-1200 User Manual

+
Floating
Signal
V
s
Source
–
100 kΩ
Bias
Current
Return
Paths
100 kΩ
I/O Connector
© National Instruments Corporation

Differential Connections for Floating Signal Sources

Figure 3-4 shows how to connect a floating signal source to a NI PCI-1200
configured for DIFF input mode. Configuration instructions are in the
Analog I/O Configuration
the NI PCI-1200.
ACH0
1
ACH2
3
ACH4
5
ACH6
7
ACH1
2
ACH3
4
ACH5
6
ACH7
8
11 AGND
Figure 3-4. Differential Input Connections for Floating Sources
section of Chapter 2,
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–
NI PCI-1200 in DIFF Configuration
3-11
Chapter 3 Signal Connections
Installing and Configuring
+
Measured
V
m
Voltage
–
NI PCI-1200 User Manual