National Instruments SCXI-1000, Getting Started

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Chapter 4 Connecting and Using Accessories and Transducers
Getting Started with SCXI 4-14 www.ni.com
Figure 4-7. Full-Bridge Configurations
Full-Bridge Configuration I
–V
r
GF
Full-Bridge Configuration II
–2 V
r
Full-Bridge Configuration III
–2 V
r
Strain Gauge
–
+
EX+
EX–
V
IN
–
+
Strain Gauge
+
EX+
EX–
V
IN
+
Strain Gauge
V
EX
+
EX+
EX–
V
IN
+
CH
+
SCXI-1121 Module
with Voltage
Excitation
Enabled
CH+
CH
CH+
CH–
CH+
+
-
+
+
–
–
–
–
–
–
–
V
EX
V
EX
SCXI-1121 Module
with Voltage
Excitation
Enabled
SCXI-1121 Module
with Voltage
Excitation
Enabled